{"id":6058,"date":"2024-02-18T21:47:56","date_gmt":"2024-02-18T13:47:56","guid":{"rendered":"https:\/\/www.sic-wafers.com\/?p=6058"},"modified":"2024-02-19T17:59:09","modified_gmt":"2024-02-19T09:59:09","slug":"gallium-phosphide-gap-wafers-bandgap-light-emit","status":"publish","type":"post","link":"https:\/\/www.sic-wafers.com\/vi\/gallium-phosphide-gap-wafers-bandgap-light-emit\/","title":{"rendered":"T\u1ea5m wafer ph\u1ed1t pho galli (GaP) \u2013 \u0110i\u1ed1t ph\u00e1t quang (LED) c\u00f3 kho\u1ea3ng c\u00e1ch n\u0103ng l\u01b0\u1ee3ng"},"content":{"rendered":"
<\/div>\n

T\u00f3m t\u1eaft v\u1ec1 c\u00e1c t\u1ea5m wafer GaP<\/h2>\n\n\n\n
\"T\u1ea5m<\/a><\/figure>\n\n\n\n

C\u00e1c t\u1ea5m wafer ph\u1ed1t pho galli (GaP) \u0111\u00e3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u quan tr\u1ecdng trong l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n t\u1eed v\u00e0 quang \u0111i\u1ec7n t\u1eed, nh\u1edd s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o gi\u1eefa c\u00e1c t\u00ednh ch\u1ea5t v\u00e0 quy tr\u00ecnh ch\u1ebf t\u1ea1o linh ho\u1ea1t. B\u00e0i t\u1ed5ng quan to\u00e0n di\u1ec7n n\u00e0y l\u00e0m r\u00f5 c\u00e1c t\u00ednh ch\u1ea5t, k\u1ef9 thu\u1eadt ch\u1ebf t\u1ea1o v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng c\u1ee7a t\u1ea5m wafer GaP, \u0111\u1ed3ng th\u1eddi n\u00eau b\u1eadt t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n\n\n\n

B\u00e0i b\u00e1o b\u1eaft \u0111\u1ea7u b\u1eb1ng ph\u1ea7n t\u1ed5ng quan v\u1ec1 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 b\u1ea3n c\u1ee7a T\u1ea5m wafer GaP<\/a>. GaP c\u00f3 kho\u1ea3ng c\u00e1ch n\u0103ng l\u01b0\u1ee3ng tr\u1ef1c ti\u1ebfp, khi\u1ebfn n\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c thi\u1ebft b\u1ecb quang \u0111i\u1ec7n t\u1eed nh\u01b0 \u0111i-\u1ed1t ph\u00e1t s\u00e1ng (LED) v\u00e0 \u0111i-\u1ed1t laser. N\u0103ng l\u01b0\u1ee3ng kho\u1ea3ng c\u00e1ch n\u0103ng l\u01b0\u1ee3ng c\u1ee7a n\u00f3, kho\u1ea3ng 2,26 eV, t\u01b0\u01a1ng \u1ee9ng v\u1edbi vi\u1ec7c ph\u00e1t ra \u00e1nh s\u00e1ng xanh l\u1ee5c, khi\u1ebfn n\u00f3 \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong nhi\u1ec1u \u1ee9ng d\u1ee5ng chi\u1ebfu s\u00e1ng. Ngo\u00e0i ra, GaP th\u1ec3 hi\u1ec7n \u0111\u1ed9 trong su\u1ed1t quang h\u1ecdc tuy\u1ec7t v\u1eddi trong quang ph\u1ed5 nh\u00ecn th\u1ea5y v\u00e0 c\u1eadn h\u1ed3ng ngo\u1ea1i, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho vi\u1ec7c truy\u1ec1n v\u00e0 ph\u00e1t s\u00e1ng hi\u1ec7u qu\u1ea3. H\u01a1n n\u1eefa, GaP th\u1ec3 hi\u1ec7n \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc t\u1ed1t, c\u00f9ng v\u1edbi \u0111\u1ed9 d\u1eabn nhi\u1ec7t v\u1eeba ph\u1ea3i, khi\u1ebfn n\u00f3 ph\u00f9 h\u1ee3p cho c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn hi\u1ec7u su\u1ea5t cao.<\/p>\n\n\n\n

Ti\u1ebfp theo, b\u00e0i vi\u1ebft s\u1ebd t\u00ecm hi\u1ec3u c\u00e1c k\u1ef9 thu\u1eadt ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t t\u1ea5m wafer GaP. C\u00e1c k\u1ef9 thu\u1eadt n\u00e0y bao g\u1ed3m: Ph\u1ee7 l\u1edbp m\u1ecfng pha h\u01a1i h\u1eefu c\u01a1 kim lo\u1ea1i (MOVPE), Ph\u1ee7 l\u1edbp m\u1ecfng ch\u00f9m ph\u00e2n t\u1eed (MBE) v\u00e0 Ph\u1ee7 l\u1edbp m\u1ecfng pha l\u1ecfng (LPE). M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m ri\u00eang bi\u1ec7t v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng tinh th\u1ec3, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng quy m\u00f4 v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u \u0111a d\u1ea1ng c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p. H\u01a1n n\u1eefa, c\u00e1c quy tr\u00ecnh pha t\u1ea1p c\u0169ng \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn, l\u00e0m r\u00f5 c\u00e1ch th\u1ee9c \u0111\u01b0a c\u00e1c t\u1ea1p ch\u1ea5t v\u00e0o m\u1ed9t c\u00e1ch c\u00f3 ch\u1ee7 \u0111\u00edch c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n t\u1eed v\u00e0 quang h\u1ecdc c\u1ee7a c\u00e1c t\u1ea5m wafer GaP \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

B\u00e0i b\u00e1o sau \u0111\u00f3 \u0111i s\u00e2u v\u00e0o c\u00e1c \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng c\u1ee7a t\u1ea5m wafer GaP trong c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nhau. Trong l\u0129nh v\u1ef1c quang \u0111i\u1ec7n t\u1eed, t\u1ea5m wafer GaP \u0111\u00f3ng vai tr\u00f2 l\u00e0 n\u1ec1n t\u1ea3ng cho vi\u1ec7c s\u1ea3n xu\u1ea5t \u0111\u00e8n LED, \u0111i\u1ed1t laser v\u00e0 c\u1ea3m bi\u1ebfn quang, g\u00f3p ph\u1ea7n th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 chi\u1ebfu s\u00e1ng, truy\u1ec1n th\u00f4ng quang h\u1ecdc v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea3m bi\u1ebfn. H\u01a1n n\u1eefa, c\u00e1c t\u1ebf b\u00e0o quang \u0111i\u1ec7n d\u1ef1a tr\u00ean GaP cho th\u1ea5y hi\u1ec7u su\u1ea5t \u0111\u1ea7y h\u1ee9a h\u1eb9n trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng gian, nh\u1edd v\u00e0o hi\u1ec7u su\u1ea5t cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng b\u1ee9c x\u1ea1 c\u1ee7a ch\u00fang. Trong l\u0129nh v\u1ef1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn, t\u1ea5m wafer GaP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u00f3ng b\u00e1n d\u1eabn t\u1ea7n s\u1ed1 cao, \u0111i\u1ed1t v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111i\u1ec7n t\u1eed v\u00e0 vi\u1ec5n th\u00f4ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

Ngo\u00e0i l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed truy\u1ec1n th\u1ed1ng, c\u00e1c t\u1ea5m wafer GaP c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i nh\u01b0 quang t\u1eed, n\u01a1i ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed9 d\u1eabn s\u00f3ng, b\u1ed9 \u0111i\u1ec1u ch\u1ebf v\u00e0 c\u00f4ng t\u1eafc quang h\u1ecdc, m\u1edf \u0111\u01b0\u1eddng cho c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng quang h\u1ecdc nh\u1ecf g\u1ecdn v\u00e0 hi\u1ec7u qu\u1ea3. H\u01a1n n\u1eefa, c\u00e1c c\u1ea3m bi\u1ebfn h\u00f3a h\u1ecdc d\u1ef1a tr\u00ean GaP th\u1ec3 hi\u1ec7n \u0111\u1ed9 nh\u1ea1y \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee5 th\u1ec3, mang l\u1ea1i c\u00e1c gi\u1ea3i ph\u00e1p ti\u1ec1m n\u0103ng cho vi\u1ec7c gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng v\u00e0 an to\u00e0n c\u00f4ng nghi\u1ec7p. Trong c\u00e1c \u1ee9ng d\u1ee5ng y sinh, c\u00e1c t\u1ea5m wafer GaP \u0111\u00f3ng vai tr\u00f2 trong c\u00e1c c\u1ea3m bi\u1ebfn sinh h\u1ecdc v\u00e0 h\u1ec7 th\u1ed1ng h\u00ecnh \u1ea3nh, g\u00f3p ph\u1ea7n th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n trong ch\u1ea9n \u0111o\u00e1n y t\u1ebf v\u00e0 nghi\u00ean c\u1ee9u.<\/p>\n\n\n\n

Ngo\u00e0i ra, c\u00e1c t\u1ea5m wafer GaP c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c l\u0129nh v\u1ef1c chuy\u00ean bi\u1ec7t nh\u01b0 c\u00f4ng ngh\u1ec7 ch\u1ea5m l\u01b0\u1ee3ng t\u1eed, qu\u00e2n s\u1ef1 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5. C\u00e1c ch\u1ea5m l\u01b0\u1ee3ng t\u1eed \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u00ean n\u1ec1n GaP th\u1ec3 hi\u1ec7n nh\u1eefng t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng t\u1eed \u0111\u1ed9c \u0111\u00e1o, h\u1ee9a h\u1eb9n mang l\u1ea1i ti\u1ec1m n\u0103ng cho l\u0129nh v\u1ef1c t\u00ednh to\u00e1n l\u01b0\u1ee3ng t\u1eed, m\u1eadt m\u00e3 h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb ti\u00ean ti\u1ebfn. Trong l\u0129nh v\u1ef1c qu\u00e2n s\u1ef1 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, c\u00e1c thi\u1ebft b\u1ecb d\u1ef1a tr\u00ean GaP \u0111\u00f3ng g\u00f3p v\u00e0o h\u1ec7 th\u1ed1ng d\u1eabn \u0111\u01b0\u1eddng t\u00ean l\u1eeda, c\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i v\u00e0 truy\u1ec1n th\u00f4ng v\u1ec7 tinh, t\u1eeb \u0111\u00f3 c\u1ee7ng c\u1ed1 an ninh qu\u1ed1c gia v\u00e0 c\u00e1c n\u1ed7 l\u1ef1c th\u00e1m hi\u1ec3m.<\/p>\n\n\n\n

T\u00f3m l\u1ea1i, c\u00e1c t\u1ea5m wafer Phosphide Gallium (GaP) l\u00e0 v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 thi\u1ebfu trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 \u0111i\u1ec7n t\u1eed v\u00e0 quang \u0111i\u1ec7n t\u1eed, l\u00e0m n\u1ec1n t\u1ea3ng cho nh\u1eefng b\u01b0\u1edbc ti\u1ebfn trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p. C\u00e1c t\u00ednh ch\u1ea5t \u0111\u1ed9c \u0111\u00e1o, k\u1ef9 thu\u1eadt ch\u1ebf t\u1ea1o linh ho\u1ea1t v\u00e0 \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng c\u1ee7a ch\u00fang c\u00e0ng kh\u1eb3ng \u0111\u1ecbnh t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang trong khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt hi\u1ec7n \u0111\u1ea1i. Khi nghi\u00ean c\u1ee9u v\u00e0 \u0111\u1ed5i m\u1edbi ti\u1ebfp t\u1ee5c th\u00fac \u0111\u1ea9y ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7, c\u00e1c t\u1ea5m wafer GaP h\u1ee9a h\u1eb9n s\u1ebd \u0111\u00f3ng vai tr\u00f2 ng\u00e0y c\u00e0ng then ch\u1ed1t trong \u0111\u1ecbnh h\u00ecnh<\/a> T\u01b0\u01a1ng lai c\u1ee7a ng\u00e0nh \u0111i\u1ec7n t\u1eed, quang t\u1eed h\u1ecdc v\u00e0 h\u01a1n th\u1ebf n\u1eefa.<\/p>\n\n\n\n

C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a t\u1ea5m wafer GaP<\/h2>\n\n\n\n
\"T\u1ea5m<\/figure>\n\n\n\n

C\u00e1c t\u1ea5m wafer ph\u1ed1t pho galli (GaP), v\u1edbi nh\u1eefng t\u00ednh ch\u1ea5t v\u01b0\u1ee3t tr\u1ed9i v\u00e0 t\u00ednh linh ho\u1ea1t cao, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 kh\u00e1c nhau. B\u00e0i ph\u00e2n t\u00edch to\u00e0n di\u1ec7n n\u00e0y \u0111i s\u00e2u v\u00e0o c\u00e1c \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng c\u1ee7a t\u1ea5m wafer GaP, nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang trong khoa h\u1ecdc hi\u1ec7n \u0111\u1ea1i, k\u1ef9 thu\u1eadt v\u00e0 cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y.<\/p>\n\n\n\n

Quang \u0111i\u1ec7n t\u1eed:<\/strong> C\u00e1c t\u1ea5m wafer GaP \u0111\u00f3ng vai tr\u00f2 l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n trong l\u0129nh v\u1ef1c thi\u1ebft b\u1ecb quang \u0111i\u1ec7n t\u1eed, g\u00f3p ph\u1ea7n th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c c\u00f4ng ngh\u1ec7 chi\u1ebfu s\u00e1ng, truy\u1ec1n th\u00f4ng v\u00e0 c\u1ea3m bi\u1ebfn. \u0110\u1eb7c bi\u1ec7t, c\u00e1c \u0111i-\u1ed1t ph\u00e1t quang (LED) d\u1ef1a tr\u00ean GaP \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c chi\u1ebfu s\u00e1ng, bao g\u1ed3m \u0111\u00e8n n\u1ec1n m\u00e0n h\u00ecnh, \u0111\u00e8n \u00f4 t\u00f4 v\u00e0 chi\u1ebfu s\u00e1ng chung. Hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i v\u00e0 \u0111\u1ed9 tinh khi\u1ebft m\u00e0u c\u1ee7a \u0111\u00e8n LED GaP khi\u1ebfn ch\u00fang tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 thi\u1ebfu trong vi\u1ec7c t\u1ea1o ra c\u00e1c gi\u1ea3i ph\u00e1p chi\u1ebfu s\u00e1ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. H\u01a1n n\u1eefa, \u0111i\u1ed1t laser d\u1ef1a tr\u00ean GaP cho ph\u00e9p ph\u00e1t ra \u00e1nh s\u00e1ng ch\u00ednh x\u00e1c v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 cao, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong b\u00fat ch\u1ec9 laser, h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef quang h\u1ecdc v\u00e0 thi\u1ebft b\u1ecb y t\u1ebf. Ngo\u00e0i ra, c\u00e1c b\u1ed9 c\u1ea3m bi\u1ebfn quang v\u00e0 t\u1ebf b\u00e0o quang \u0111i\u1ec7n GaP g\u00f3p ph\u1ea7n v\u00e0o c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea3m bi\u1ebfn quang h\u1ecdc v\u00e0 thu n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, mang l\u1ea1i hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u0111a d\u1ea1ng.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb b\u00e1n d\u1eabn:<\/strong> T\u1ea5m wafer GaP \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a ng\u00e0nh \u0111i\u1ec7n t\u1eed v\u00e0 h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng hi\u1ec7n \u0111\u1ea1i. C\u00e1c transistor t\u1ea7n s\u1ed1 cao d\u1ef1a tr\u00ean t\u1ea5m wafer GaP th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i trong khu\u1ebfch \u0111\u1ea1i t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RF) v\u00e0 h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y, gi\u00fap n\u00e2ng cao kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 x\u1eed l\u00fd t\u00edn hi\u1ec7u. H\u01a1n n\u1eefa, c\u00e1c \u0111i\u1ed1t GaP \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong ch\u1ec9nh l\u01b0u, \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u v\u00e0 chuy\u1ec3n \u0111\u1ed5i c\u00f4ng su\u1ea5t, g\u00f3p ph\u1ea7n n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c m\u1ea1ch \u0111i\u1ec7n t\u1eed trong c\u00e1c l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, c\u00f4ng nghi\u1ec7p v\u00e0 \u00f4 t\u00f4.<\/p>\n\n\n\n

Quang t\u1eed h\u1ecdc v\u00e0 Truy\u1ec1n th\u00f4ng quang h\u1ecdc:<\/strong> Trong l\u0129nh v\u1ef1c quang t\u1eed \u0111ang ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd, c\u00e1c t\u1ea5m wafer GaP cho ph\u00e9p ch\u1ebf t\u1ea1o c\u00e1c linh ki\u1ec7n quang h\u1ecdc nh\u1ecf g\u1ecdn v\u00e0 hi\u1ec7u qu\u1ea3 cho c\u00e1c \u1ee9ng d\u1ee5ng truy\u1ec1n th\u00f4ng v\u00e0 c\u1ea3m bi\u1ebfn. C\u00e1c \u1ed1ng d\u1eabn s\u00f3ng, b\u1ed9 \u0111i\u1ec1u ch\u1ebf v\u00e0 c\u00f4ng t\u1eafc quang h\u1ecdc GaP cho ph\u00e9p ki\u1ec3m so\u00e1t v\u00e0 \u0111i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c c\u00e1c t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao, c\u00e1c k\u1ebft n\u1ed1i quang h\u1ecdc v\u00e0 c\u00e1c m\u1ea1ch quang t\u1eed t\u00edch h\u1ee3p. H\u01a1n n\u1eefa, c\u00e1c thi\u1ebft b\u1ecb quang h\u1ecdc phi tuy\u1ebfn d\u1ef1a tr\u00ean GaP th\u1ec3 hi\u1ec7n c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng quang h\u1ecdc phi tuy\u1ebfn nh\u01b0 chuy\u1ec3n \u0111\u1ed5i t\u1ea7n s\u1ed1 v\u00e0 khu\u1ebfch \u0111\u1ea1i tham s\u1ed1 quang h\u1ecdc, cho ph\u00e9p t\u1ea1o ra c\u00e1c ngu\u1ed3n \u00e1nh s\u00e1ng \u0111\u1ed3ng b\u1ed9 tr\u00ean d\u1ea3i ph\u1ed5 r\u1ed9ng.<\/p>\n\n\n\n

T\u1ebf b\u00e0o quang \u0111i\u1ec7n v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o:<\/strong> C\u00e1c t\u1ebf b\u00e0o quang \u0111i\u1ec7n d\u1ef1a tr\u00ean GaP h\u1ee9a h\u1eb9n mang l\u1ea1i nhi\u1ec1u ti\u1ec1m n\u0103ng cho c\u00e1c \u1ee9ng d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong l\u0129nh v\u1ef1c v\u0169 tr\u1ee5 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, n\u01a1i hi\u1ec7u su\u1ea5t cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng b\u1ee9c x\u1ea1 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. C\u00e1c t\u1ebf b\u00e0o quang \u0111i\u1ec7n GaP, khi \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o c\u00e1c m\u00f4-\u0111un quang \u0111i\u1ec7n \u0111a ti\u1ebfp \u0111i\u1ec3m, th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i trong vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi th\u00e0nh \u0111i\u1ec7n n\u0103ng, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c s\u1ee9 m\u1ec7nh th\u00e1m hi\u1ec3m v\u0169 tr\u1ee5, h\u1ec7 th\u1ed1ng c\u1ea5p \u0111i\u1ec7n cho v\u1ec7 tinh v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng s\u1ed1ng ngo\u00e0i Tr\u00e1i \u0110\u1ea5t. H\u01a1n n\u1eefa, c\u00e1c n\u1ed7 l\u1ef1c nghi\u00ean c\u1ee9u hi\u1ec7n nay t\u1eadp trung v\u00e0o vi\u1ec7c n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a c\u00e1c t\u1ebf b\u00e0o quang \u0111i\u1ec7n GaP cho c\u00e1c \u1ee9ng d\u1ee5ng tr\u00ean Tr\u00e1i \u0110\u1ea5t, nh\u1eb1m khai th\u00e1c n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1n v\u1eefng h\u01a1n tr\u00ean h\u00e0nh tinh c\u1ee7a ch\u00fang ta.<\/p>\n\n\n\n

C\u1ea3m bi\u1ebfn h\u00f3a h\u1ecdc v\u00e0 sinh h\u1ecdc:<\/strong> C\u00e1c c\u1ea3m bi\u1ebfn d\u1ef1a tr\u00ean GaP th\u1ec3 hi\u1ec7n \u0111\u1ed9 nh\u1ea1y \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc v\u00e0 sinh h\u1ecdc c\u1ee5 th\u1ec3, mang l\u1ea1i nh\u1eefng gi\u1ea3i ph\u00e1p h\u1eefu \u00edch cho vi\u1ec7c gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng, an to\u00e0n c\u00f4ng nghi\u1ec7p v\u00e0 ch\u1ea9n \u0111o\u00e1n y sinh. C\u00e1c c\u1ea3m bi\u1ebfn GaP, khi \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o m\u00e1y d\u00f2 kh\u00ed, m\u00e1y ph\u00e2n t\u00edch m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u1ea3m bi\u1ebfn h\u00f3a h\u1ecdc, cho ph\u00e9p ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u1ecbnh l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i theo th\u1eddi gian th\u1ef1c, g\u00f3p ph\u1ea7n \u0111\u1ea3m b\u1ea3o an to\u00e0n lao \u0111\u1ed9ng v\u00e0 c\u00e1c n\u1ed7 l\u1ef1c ki\u1ec3m so\u00e1t \u00f4 nhi\u1ec5m. H\u01a1n n\u1eefa, c\u00e1c c\u1ea3m bi\u1ebfn sinh h\u1ecdc GaP, \u0111\u01b0\u1ee3c ch\u1ee9c n\u0103ng h\u00f3a b\u1eb1ng c\u00e1c y\u1ebfu t\u1ed1 nh\u1eadn di\u1ec7n sinh h\u1ecdc, h\u1ed7 tr\u1ee3 vi\u1ec7c ph\u00e1t hi\u1ec7n nhanh ch\u00f3ng v\u00e0 c\u00f3 ch\u1ecdn l\u1ecdc c\u00e1c ph\u00e2n t\u1eed sinh h\u1ecdc, m\u1ea7m b\u1ec7nh v\u00e0 d\u1ea5u hi\u1ec7u b\u1ec7nh, cung c\u1ea5p cho c\u00e1c chuy\u00ean gia y t\u1ebf c\u00e1c c\u00f4ng c\u1ee5 ch\u1ea9n \u0111o\u00e1n \u0111\u1ec3 ph\u00f2ng ng\u1eeba v\u00e0 \u0111i\u1ec1u tr\u1ecb b\u1ec7nh.<\/p>\n\n\n\n

C\u00f4ng ngh\u1ec7 qu\u00e2n s\u1ef1 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5:<\/strong> Trong l\u0129nh v\u1ef1c qu\u1ed1c ph\u00f2ng v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, c\u00e1c thi\u1ebft b\u1ecb d\u1ef1a tr\u00ean GaP \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, t\u1eeb h\u00ecnh \u1ea3nh v\u00e0 c\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng li\u00ean l\u1ea1c v\u00e0 \u0111\u1ecbnh v\u1ecb an to\u00e0n. C\u00e1c b\u1ed9 c\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i v\u00e0 m\u1ea3ng m\u1eb7t ph\u1eb3ng ti\u00eau c\u1ef1 d\u1ef1a tr\u00ean GaP mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ee5p \u1ea3nh nhi\u1ec7t n\u00e2ng cao cho c\u00e1c m\u1ee5c \u0111\u00edch quan s\u00e1t ban \u0111\u00eam, gi\u00e1m s\u00e1t v\u00e0 x\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau, gi\u00fap qu\u00e2n nh\u00e2n v\u00e0 c\u00e1c c\u01a1 quan th\u1ef1c thi ph\u00e1p lu\u1eadt ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng y\u1ebfu. Ngo\u00e0i ra, c\u00e1c linh ki\u1ec7n quang \u0111i\u1ec7n t\u1eed d\u1ef1a tr\u00ean GaP h\u1ed7 tr\u1ee3 c\u00e1c m\u1ea1ng truy\u1ec1n th\u00f4ng an to\u00e0n, truy\u1ec1n d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 v\u0169 kh\u00ed d\u1eabn \u0111\u01b0\u1eddng ch\u00ednh x\u00e1c, g\u00f3p ph\u1ea7n c\u1ee7ng c\u1ed1 an ninh qu\u1ed1c gia v\u00e0 n\u0103ng l\u1ef1c qu\u1ed1c ph\u00f2ng.<\/p>\n\n\n\n

C\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i:<\/strong> Ngo\u00e0i c\u00e1c \u1ee9ng d\u1ee5ng truy\u1ec1n th\u1ed1ng, c\u00e1c t\u1ea5m wafer GaP c\u00f2n \u0111\u00f3ng g\u00f3p v\u00e0o c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i nh\u01b0 khoa h\u1ecdc th\u00f4ng tin l\u01b0\u1ee3ng t\u1eed, c\u00f4ng ngh\u1ec7 nano v\u00e0 k\u1ef9 thu\u1eadt y sinh. C\u00e1c ch\u1ea5m l\u01b0\u1ee3ng t\u1eed GaP, \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o tr\u00ean n\u1ec1n GaP, th\u1ec3 hi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng t\u1eed \u0111\u1ed9c \u0111\u00e1o v\u00e0 h\u1ee9a h\u1eb9n mang l\u1ea1i ti\u1ec1m n\u0103ng cho m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed, m\u1eadt m\u00e3 l\u01b0\u1ee3ng t\u1eed v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 hi\u1ec3n th\u1ecb ti\u00ean ti\u1ebfn. H\u01a1n n\u1eefa, c\u00e1c c\u1ea5u tr\u00fac nano GaP, \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o th\u00f4ng qua c\u00e1c k\u1ef9 thu\u1eadt ch\u1ebf t\u1ea1o nano ti\u00ean ti\u1ebfn, cho ph\u00e9p ph\u00e1t tri\u1ec3n c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nano, c\u1ea3m bi\u1ebfn v\u00e0 thi\u1ebft b\u1ecb c\u1ea5y gh\u00e9p y sinh m\u1edbi, m\u1edf ra nh\u1eefng h\u01b0\u1edbng \u0111i m\u1edbi trong khoa h\u1ecdc v\u1eadt li\u1ec7u v\u00e0 c\u00f4ng ngh\u1ec7 nano.<\/p>\n\n\n\n

T\u00f3m l\u1ea1i, c\u00e1c t\u1ea5m wafer Phosphide Gallium (GaP) \u0111ang tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 thi\u1ebfu trong b\u1ed1i c\u1ea3nh c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i, th\u00fac \u0111\u1ea9y s\u1ef1 \u0111\u1ed5i m\u1edbi trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 l\u0129nh v\u1ef1c khoa h\u1ecdc kh\u00e1c nhau. T\u1eeb thi\u1ebft b\u1ecb quang \u0111i\u1ec7n t\u1eed v\u00e0 b\u00e1n d\u1eabn \u0111\u1ebfn quang t\u1eed h\u1ecdc, n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 h\u01a1n th\u1ebf n\u1eefa, t\u1ea5m wafer GaP ti\u1ebfp t\u1ee5c h\u1ed7 tr\u1ee3 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u, k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 s\u00e1ng t\u1ea1o tr\u00ean to\u00e0n th\u1ebf gi\u1edbi nh\u1edd c\u00e1c \u0111\u1eb7c t\u00ednh v\u01b0\u1ee3t tr\u1ed9i v\u00e0 \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng. Khi c\u00e1c n\u1ed7 l\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n ng\u00e0y c\u00e0ng ti\u1ebfn b\u1ed9, t\u1ea5m wafer GaP s\u1eb5n s\u00e0ng \u0111\u00f3ng vai tr\u00f2 ng\u00e0y c\u00e0ng quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng ngh\u1ec7, t\u1ea1o ra nh\u1eefng \u0111\u1ed9t ph\u00e1 nh\u1eb1m gi\u1ea3i quy\u1ebft c\u00e1c th\u00e1ch th\u1ee9c to\u00e0n c\u1ea7u v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c s\u1ed1ng cho c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ch\u1ea5t n\u1ec1n GaP hi\u1ec7n c\u00f3.<\/p>\n\n\n\n

T\u1ea5m wafer GaP kh\u00f4ng pha t\u1ea1p (100) 2\u2033x 0,5 DSP

T\u1ea5m wafer GaP, kh\u00f4ng pha t\u1ea1p (111), k\u00edch th\u01b0\u1edbc 10x10x0,35 mm, DSP

T\u1ea5m wafer GaP, kh\u00f4ng pha t\u1ea1p (111), k\u00edch th\u01b0\u1edbc 10x10x0,5 mm, DSP

T\u1ea5m wafer GaP, pha t\u1ea1p S, (111), 2\u2033 \u00d7 0,5 mm, DSP

T\u1ea5m wafer GaP, kh\u00f4ng pha t\u1ea1p (100), k\u00edch th\u01b0\u1edbc 10x10x0,5 mm, SSP

T\u1ea5m wafer GaP, kh\u00f4ng pha t\u1ea1p (100), k\u00edch th\u01b0\u1edbc 10x10x0,5 mm, DSP

T\u1ea5m wafer GaP, kh\u00f4ng pha t\u1ea1p (100), k\u00edch th\u01b0\u1edbc 10x3x0,5 mm, SSP

T\u1ea5m wafer GaP kh\u00f4ng pha t\u1ea1p (100), \u0111\u01b0\u1eddng k\u00ednh 2\u2033 \u00d7 \u0111\u1ed9 d\u00e0y 0,45 mm, d\u1ea1ng SSP, \u0111i\u1ec7n tr\u1edf su\u1ea5t: 1,5 \u00d7 10\u00b9\u2074 ohm.cm, b\u00e1n d\u1eabn c\u00e1ch \u0111i\u1ec7n

T\u1ea5m wafer GaP, pha t\u1ea1p S, (100), \u0111\u01b0\u1eddng k\u00ednh 2\u2033 x 0,5 mm, SSP<\/p>\n\n\n\n

T\u1ea5m wafer GaP, pha t\u1ea1p S, (100), \u0111\u01b0\u1eddng k\u00ednh 2\u2033 x 0,50 mm, DSP<\/p>\n\n\n\n

T\u1ea5m wafer GaP, pha t\u1ea1p S, (100), 5 x 5 x 0,5 mm, SSP

T\u1ea5m wafer GaP, kh\u00f4ng pha t\u1ea1p (110), k\u00edch th\u01b0\u1edbc 10x10x0,45 mm, SSP

T\u1ea5m wafer GaP, kh\u00f4ng pha t\u1ea1p (110), k\u00edch th\u01b0\u1edbc 10x10x0,5 mm, DSP

T\u1ea5m wafer GaP, kh\u00f4ng pha t\u1ea1p (110), k\u00edch th\u01b0\u1edbc 5x5x0,2 mm, DSP<\/p>\n\n\n\n

Bi\u1ec3u \u0111\u1ed3 d\u1eef li\u1ec7u c\u1ee7a c\u00e1c t\u1ea5m wafer GaP<\/h2>\n\n\n\n

C\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd \u0111i\u1ec3n h\u00ecnh<\/strong><\/td><\/tr>
C\u1ea5u tr\u00fac tinh th\u1ec3<\/td>H\u00ecnh l\u1eadp ph\u01b0\u01a1ng. a = 5,4505 A<\/td><\/tr>
Ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t tri\u1ec3n<\/td>CZ (LEC)<\/td><\/tr>
M\u1eadt \u0111\u1ed9<\/td>4,13 g\/cm\u00b33<\/sup><\/td><\/tr>
\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td>1480  o<\/sup>C<\/td><\/tr>
S\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t<\/td>5,3 \u00d7 10-6<\/sup>  \/ o<\/sup>C<\/td><\/tr>
Ch\u1ea5t pha t\u1ea1p<\/td>\u0110\u01b0\u1ee3c pha t\u1ea1p S<\/td>kh\u00f4ng pha t\u1ea1p<\/td><\/tr>
Tr\u1ee5c ph\u00e1t tri\u1ec3n tinh th\u1ec3<\/td>ho\u1eb7c<\/td>ho\u1eb7c<\/td><\/tr>
Lo\u1ea1i d\u1eabn \u0111i\u1ec7n<\/td>N<\/td>N<\/td><\/tr>
T\u1ef7 l\u1ec7 t\u1eadp trung nh\u00e0 m\u1ea1ng<\/td>2 ~ 8 \u00d7 1017<\/sup> \/cm3<\/sup><\/td>4 ~ 6 \u00d7 1016<\/sup> \/cm3<\/sup><\/td><\/tr>
\u0110i\u1ec7n tr\u1edf su\u1ea5t<\/td>~ 0,03 ohm-cm<\/td>~ 0,3 ohm-cm<\/td><\/tr>
B\u00e1o c\u00e1o T\u00e1c \u0111\u1ed9ng M\u00f4i tr\u01b0\u1eddng (EPD)<\/td>< 3\u00d7105<\/sup><\/td>< 3\u00d7105<\/sup><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

C\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a t\u1ea5m wafer GaP<\/h2>\n\n\n\n

C\u00e1c t\u1ea5m wafer ph\u1ed1t pho galli (GaP) s\u1edf h\u1eefu m\u1ed9t lo\u1ea1t c\u00e1c t\u00ednh ch\u1ea5t \u0111a d\u1ea1ng, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean v\u00f4 c\u00f9ng qu\u00fd gi\u00e1 trong nhi\u1ec1u \u1ee9ng d\u1ee5ng \u0111i\u1ec7n t\u1eed v\u00e0 quang \u0111i\u1ec7n t\u1eed. B\u00e0i ph\u00e2n t\u00edch to\u00e0n di\u1ec7n n\u00e0y \u0111i s\u00e2u v\u00e0o c\u00e1c \u0111\u1eb7c t\u00ednh v\u00e0 ch\u1ee9c n\u0103ng ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c t\u1ea5m wafer GaP, l\u00e0m s\u00e1ng t\u1ecf t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang trong khoa h\u1ecdc, k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

T\u00ednh ch\u1ea5t quang h\u1ecdc:<\/strong> T\u1ea5m wafer GaP s\u1edf h\u1eefu c\u00e1c t\u00ednh ch\u1ea5t quang h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft b\u1ecb quang \u0111i\u1ec7n t\u1eed v\u00e0 \u1ee9ng d\u1ee5ng quang t\u1eed. V\u1edbi n\u0103ng l\u01b0\u1ee3ng khe n\u0103ng l\u01b0\u1ee3ng tr\u1ef1c ti\u1ebfp kho\u1ea3ng 2,26 electron-volt (eV), GaP cho ph\u00e9p ph\u00e1t x\u1ea1 \u00e1nh s\u00e1ng hi\u1ec7u qu\u1ea3 trong quang ph\u1ed5 nh\u00ecn th\u1ea5y, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong d\u1ea3i b\u01b0\u1edbc s\u00f3ng xanh l\u1ee5c. T\u00ednh ch\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong s\u1ea3n xu\u1ea5t \u0111i-\u1ed1t ph\u00e1t s\u00e1ng (LED) cho c\u00e1c \u1ee9ng d\u1ee5ng chi\u1ebfu s\u00e1ng v\u00e0 hi\u1ec3n th\u1ecb \u0111a d\u1ea1ng. H\u01a1n n\u1eefa, GaP th\u1ec3 hi\u1ec7n \u0111\u1ed9 trong su\u1ed1t quang h\u1ecdc cao trong v\u00f9ng \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y v\u00e0 c\u1eadn h\u1ed3ng ngo\u1ea1i, cho ph\u00e9p truy\u1ec1n v\u00e0 \u0111i\u1ec1u khi\u1ec3n \u00e1nh s\u00e1ng trong c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc v\u00e0 h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng.<\/p>\n\n\n\n

T\u00ednh ch\u1ea5t \u0111i\u1ec7n:<\/strong> Ngo\u00e0i nh\u1eefng \u01b0u \u0111i\u1ec3m v\u1ec1 m\u1eb7t quang h\u1ecdc, c\u00e1c t\u1ea5m wafer GaP c\u00f2n th\u1ec3 hi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n thu\u1eadn l\u1ee3i, v\u1ed1n l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn v\u00e0 m\u1ea1ch \u0111i\u1ec7n t\u1eed. GaP c\u00f3 t\u00ednh ch\u1ea5t b\u00e1n d\u1eabn n\u1ed9i t\u1ea1i, v\u1edbi kho\u1ea3ng c\u00e1ch d\u1ea3i n\u0103ng l\u01b0\u1ee3ng quy\u1ebft \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh d\u1eabn \u0111i\u1ec7n c\u1ee7a n\u00f3. B\u1eb1ng c\u00e1ch \u0111\u01b0a c\u00e1c nguy\u00ean t\u1eed ch\u1ea5t pha t\u1ea1p nh\u01b0 silicon ho\u1eb7c k\u1ebdm v\u00e0o m\u1ea1ng tinh th\u1ec3 GaP, c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n v\u00e0 n\u1ed3ng \u0111\u1ed9 mang \u0111i\u1ec7n, t\u1eeb \u0111\u00f3 cho ph\u00e9p ch\u1ebf t\u1ea1o c\u00e1c \u0111i\u1ed1t, b\u00f3ng b\u00e1n d\u1eabn v\u00e0 c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn kh\u00e1c. H\u01a1n n\u1eefa, GaP c\u00f3 \u0111\u1ed9 di \u0111\u1ed9ng \u0111i\u1ec7n t\u1eed cao, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c v\u1eadn chuy\u1ec3n \u0111i\u1ec7n t\u00edch nhanh v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ea7n s\u1ed1 cao trong c\u00e1c thi\u1ebft b\u1ecb RF (t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn).<\/p>\n\n\n\n

T\u00ednh ch\u1ea5t nhi\u1ec7t:<\/strong> T\u1ea5m GaP c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t \u1edf m\u1ee9c trung b\u00ecnh, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t v\u00e0 qu\u1ea3n l\u00fd nhi\u1ec7t hi\u1ec7u qu\u1ea3. \u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a GaP, th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng 100\u2013200 W\/m\u00b7K, cho ph\u00e9p lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 nhi\u1ec7t sinh ra trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb, t\u1eeb \u0111\u00f3 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t. \u0110\u1eb7c t\u00ednh n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t cao, n\u01a1i nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m hi\u1ec7u su\u1ea5t thi\u1ebft b\u1ecb v\u00e0 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 tin c\u1eady.<\/p>\n\n\n\n

T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc:<\/strong> V\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc, c\u00e1c t\u1ea5m wafer GaP th\u1ec3 hi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 ch\u1eafc ch\u1eafn cao, gi\u00fap d\u1ec5 d\u00e0ng x\u1eed l\u00fd trong qu\u00e1 tr\u00ecnh gia c\u00f4ng v\u00e0 l\u1eafp r\u00e1p. C\u00e1c tinh th\u1ec3 GaP c\u00f3 \u0111\u1ed9 ho\u00e0n h\u1ea3o tinh th\u1ec3 cao, v\u1edbi m\u1eadt \u0111\u1ed9 khuy\u1ebft t\u1eadt th\u1ea5p v\u00e0 c\u00e1c khi\u1ebfm khuy\u1ebft tinh th\u1ec3 t\u1ed1i thi\u1ec3u. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i c\u00e1c t\u1ea5m wafer c\u00f3 b\u1ec1 m\u1eb7t nh\u1eb5n m\u1ecbn v\u00e0 \u0111\u1ed9 d\u00e0y \u0111\u1ed3ng \u0111\u1ec1u, y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 quang \u0111i\u1ec7n t\u1eed ch\u1ea5t l\u01b0\u1ee3ng cao. H\u01a1n n\u1eefa, c\u00e1c t\u1ea5m wafer GaP th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu v\u1edbi \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc v\u00e0 bi\u1ebfn d\u1ea1ng, \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau.<\/p>\n\n\n\n

\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc:<\/strong> GaP c\u00f3 t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc trong \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a, \u0103n m\u00f2n v\u00e0 ph\u00e2n h\u1ee7y h\u00f3a h\u1ecdc. T\u00ednh \u1ed5n \u0111\u1ecbnh v\u1ed1n c\u00f3 n\u00e0y mang l\u1ea1i l\u1ee3i th\u1ebf cho \u0111\u1ed9 tin c\u1eady v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe, n\u01a1i th\u01b0\u1eddng xuy\u00ean ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m, c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ho\u1eb7c c\u00e1c t\u00e1c nh\u00e2n \u0103n m\u00f2n. C\u00e1c t\u1ea5m wafer GaP duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n trong th\u1eddi gian d\u00e0i, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 m\u1ee9c \u0111\u1ed9 suy gi\u1ea3m t\u1ed1i thi\u1ec3u theo th\u1eddi gian.<\/p>\n\n\n\n

K\u1ef9 thu\u1eadt d\u1ea3i c\u1ea5m r\u1ed9ng:<\/strong> M\u1ed9t trong nh\u1eefng \u0111\u1eb7c t\u00ednh n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a GaP l\u00e0 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng qua c\u00e1c k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf kho\u1ea3ng c\u00e1ch d\u1ea3i n\u0103ng l\u01b0\u1ee3ng r\u1ed9ng. B\u1eb1ng c\u00e1ch pha t\u1ea1p c\u00f3 ch\u1ecdn l\u1ecdc c\u00e1c t\u1ea1p ch\u1ea5t c\u1ee5 th\u1ec3 v\u00e0o tinh th\u1ec3 GaP, n\u0103ng l\u01b0\u1ee3ng kho\u1ea3ng c\u00e1ch d\u1ea3i n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n t\u1eed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng thi\u1ebft b\u1ecb kh\u00e1c nhau. T\u00ednh linh ho\u1ea1t n\u00e0y cho ph\u00e9p thi\u1ebft k\u1ebf v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c thi\u1ebft b\u1ecb d\u1ef1a tr\u00ean GaP cho c\u00e1c b\u01b0\u1edbc s\u00f3ng, \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t c\u1ee5 th\u1ec3, t\u1eeb \u0111\u00f3 m\u1edf r\u1ed9ng ph\u1ea1m vi \u1ee9ng d\u1ee5ng ti\u1ec1m n\u0103ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n\n\n\n

Kh\u1ea3 n\u0103ng ch\u1ecbu b\u1ee9c x\u1ea1:<\/strong> T\u1ea5m wafer GaP c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng b\u1ee9c x\u1ea1, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 b\u1ee9c x\u1ea1 cao nh\u01b0 c\u00e1c \u1ee9ng d\u1ee5ng trong kh\u00f4ng gian v\u00e0 h\u1ea1t nh\u00e2n. Kh\u00e1c v\u1edbi m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u b\u00e1n d\u1eabn kh\u00e1c b\u1ecb suy gi\u1ea3m d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a b\u1ee9c x\u1ea1 ion h\u00f3a, GaP v\u1eabn duy tr\u00ec \u0111\u01b0\u1ee3c c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n v\u00e0 quang h\u1ecdc ngay c\u1ea3 khi ti\u1ebfp x\u00fac v\u1edbi m\u1ee9c b\u1ee9c x\u1ea1 cao. T\u00ednh ch\u1ea5t n\u00e0y \u0111\u1eb7c bi\u1ec7t c\u00f3 l\u1ee3i cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed trong kh\u00f4ng gian, n\u01a1i \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu b\u1ee9c x\u1ea1 v\u0169 tr\u1ee5 l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh cho s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a nhi\u1ec7m v\u1ee5.<\/p>\n\n\n\n

T\u00f3m l\u1ea1i, c\u00e1c t\u1ea5m wafer Phosphide Gallium (GaP) s\u1edf h\u1eefu m\u1ed9t lo\u1ea1t c\u00e1c \u0111\u1eb7c t\u00ednh phong ph\u00fa, l\u00e0m n\u1ec1n t\u1ea3ng cho t\u00ednh linh ho\u1ea1t v\u00e0 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i c\u1ee7a ch\u00fang trong c\u00e1c l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed v\u00e0 quang \u0111i\u1ec7n t\u1eed. T\u1eeb \u0111\u1ed9 s\u00e1ng quang h\u1ecdc v\u00e0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc, c\u00e1c t\u1ea5m wafer GaP th\u1ec3 hi\u1ec7n s\u1ef1 k\u1ebft h\u1ee3p h\u00e0i h\u00f2a gi\u1eefa c\u00e1c \u0111\u1eb7c t\u00ednh thi\u1ebft y\u1ebfu cho c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i. Khi c\u00e1c n\u1ed7 l\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n ti\u1ebfp t\u1ee5c ti\u1ebfn b\u1ed9, c\u00e1c t\u1ea5m wafer GaP \u0111ang s\u1eb5n s\u00e0ng \u0111\u00f3ng vai tr\u00f2 ng\u00e0y c\u00e0ng quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai c\u1ee7a \u0111i\u1ec7n t\u1eed, quang t\u1eed v\u00e0 h\u01a1n th\u1ebf n\u1eefa, th\u00fac \u0111\u1ea9y s\u1ef1 \u0111\u1ed5i m\u1edbi v\u00e0 t\u1ea1o ra nh\u1eefng \u0111\u1ed9t ph\u00e1 nh\u1eb1m gi\u1ea3i quy\u1ebft c\u00e1c th\u00e1ch th\u1ee9c to\u00e0n c\u1ea7u v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c s\u1ed1ng.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m c\u1ee7a c\u00e1c t\u1ea5m wafer GaP<\/h2>\n\n\n\n

C\u00e1c t\u1ea5m wafer ph\u1ed1t pho galli (GaP) mang l\u1ea1i v\u00f4 s\u1ed1 l\u1ee3i th\u1ebf trong nhi\u1ec1u l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, nh\u1edd s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o gi\u1eefa c\u00e1c t\u00ednh ch\u1ea5t v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m linh ho\u1ea1t c\u1ee7a ch\u00fang. B\u00e0i ph\u00e2n t\u00edch to\u00e0n di\u1ec7n n\u00e0y l\u00e0m r\u00f5 nh\u1eefng l\u1ee3i th\u1ebf \u0111a d\u1ea1ng c\u1ee7a c\u00e1c t\u1ea5m wafer GaP, \u0111\u1ed3ng th\u1eddi nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang trong khoa h\u1ecdc, k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

1. Hi\u1ec7u su\u1ea5t quang \u0111i\u1ec7n:<\/strong> T\u1ea5m wafer GaP c\u00f3 hi\u1ec7u su\u1ea5t quang h\u1ecdc cao, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft b\u1ecb quang \u0111i\u1ec7n t\u1eed nh\u01b0 \u0111i-\u1ed1t ph\u00e1t s\u00e1ng (LED) v\u00e0 \u0111i-\u1ed1t laser. \u0110\u1eb7c t\u00ednh khe n\u0103ng l\u01b0\u1ee3ng tr\u1ef1c ti\u1ebfp c\u1ee7a GaP cho ph\u00e9p ph\u00e1t s\u00e1ng hi\u1ec7u qu\u1ea3, mang l\u1ea1i \u00e1nh s\u00e1ng r\u1ef1c r\u1ee1 v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u v\u1edbi m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng t\u1ed1i thi\u1ec3u. \u0110\u1eb7c t\u00ednh n\u00e0y \u0111\u1eb7c bi\u1ec7t c\u00f3 l\u1ee3i trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u.<\/p>\n\n\n\n

2. K\u1ef9 thu\u1eadt kho\u1ea3ng c\u00e1ch d\u1ea3i n\u0103ng l\u01b0\u1ee3ng r\u1ed9ng:<\/strong> T\u1ea5m wafer GaP mang l\u1ea1i t\u00ednh linh ho\u1ea1t trong vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh kho\u1ea3ng c\u00e1ch n\u0103ng l\u01b0\u1ee3ng, cho ph\u00e9p ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c c\u00e1c t\u00ednh ch\u1ea5t quang h\u1ecdc v\u00e0 \u0111i\u1ec7n t\u1eed c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn. Th\u00f4ng qua c\u00e1c k\u1ef9 thu\u1eadt pha t\u1ea1p v\u00e0 h\u1ee3p kim c\u00f3 ch\u1ee7 \u0111\u00edch, kho\u1ea3ng c\u00e1ch n\u0103ng l\u01b0\u1ee3ng c\u1ee7a GaP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng, t\u1eeb \u0111\u00f3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c linh ki\u1ec7n quang \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang v\u1edbi hi\u1ec7u su\u1ea5t v\u00e0 ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a.<\/p>\n\n\n\n

3. \u0110\u1ed9 trong su\u1ed1t quang h\u1ecdc:<\/strong> C\u00e1c t\u1ea5m wafer GaP c\u00f3 \u0111\u1ed9 trong su\u1ed1t quang h\u1ecdc tuy\u1ec7t v\u1eddi tr\u00ean to\u00e0n d\u1ea3i quang ph\u1ed5 nh\u00ecn th\u1ea5y v\u00e0 c\u1eadn h\u1ed3ng ngo\u1ea1i, cho ph\u00e9p truy\u1ec1n d\u1eabn v\u00e0 ph\u00e1t hi\u1ec7n t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. \u0110\u1eb7c t\u00ednh n\u00e0y mang l\u1ea1i l\u1ee3i th\u1ebf trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 b\u1ed9 c\u1ea3m bi\u1ebfn quang, c\u1ea3m bi\u1ebfn quang h\u1ecdc v\u00e0 t\u1ebf b\u00e0o quang \u0111i\u1ec7n, n\u01a1i \u0111\u1ed9 nh\u1ea1y quang h\u1ecdc cao v\u00e0 \u0111\u1ed9 trung th\u1ef1c c\u1ee7a t\u00edn hi\u1ec7u l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c trong \u0111o l\u01b0\u1eddng v\u00e0 ph\u00e1t hi\u1ec7n.<\/p>\n\n\n\n

4. \u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc:<\/strong> T\u1ea5m wafer GaP s\u1edf h\u1eefu \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 \u0111\u1ed9 b\u1ec1n b\u1ec9 v\u1ed1n c\u00f3, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady trong c\u00e1c m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng kh\u1eafc nghi\u1ec7t. Nh\u1edd t\u00ednh b\u1ec1n b\u1ec9 c\u01a1 h\u1ecdc n\u00e0y, t\u1ea5m wafer GaP r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u00edch h\u1ee3p v\u00e0o c\u00e1c thi\u1ebft b\u1ecb v\u00e0 h\u1ec7 th\u1ed1ng ch\u1ecbu l\u1ef1c cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u00f4 t\u00f4 v\u00e0 c\u00f4ng nghi\u1ec7p, n\u01a1i kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc, rung \u0111\u1ed9ng v\u00e0 chu k\u1ef3 nhi\u1ec7t l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p>\n\n\n\n

5. T\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc:<\/strong> C\u00e1c t\u1ea5m wafer GaP c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi, gi\u00fap ch\u00fang ch\u1ed1ng l\u1ea1i s\u1ef1 ph\u00e2n h\u1ee7y v\u00e0 \u0103n m\u00f2n trong c\u00e1c m\u00f4i tr\u01b0\u1eddng h\u00f3a h\u1ecdc \u0111a d\u1ea1ng. \u0110\u1eb7c t\u00ednh n\u00e0y mang l\u1ea1i l\u1ee3i th\u1ebf trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 c\u1ea3m bi\u1ebfn h\u00f3a h\u1ecdc, gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng v\u00e0 thi\u1ebft b\u1ecb y sinh, n\u01a1i tu\u1ed5i th\u1ecd v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea3m bi\u1ebfn l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady trong th\u1eddi gian d\u00e0i.<\/p>\n\n\n\n

6. \u0110i\u1ec7n \u00e1p \u0111\u1ee9t m\u1ea1ch cao:<\/strong> T\u1ea5m wafer GaP c\u00f3 \u0111i\u1ec7n \u00e1p \u0111\u1ee9t m\u1ea1ch t\u01b0\u01a1ng \u0111\u1ed1i cao, cho ph\u00e9p s\u1ea3n xu\u1ea5t c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. \u0110\u1eb7c t\u00ednh n\u00e0y mang l\u1ea1i l\u1ee3i th\u1ebf trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t, n\u01a1i c\u00e1c thi\u1ebft b\u1ecb d\u1ef1a tr\u00ean GaP nh\u01b0 \u0111i\u1ed1t v\u00e0 b\u00f3ng b\u00e1n d\u1eabn c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c m\u1ee9c \u0111i\u1ec7n \u00e1p cao m\u00e0 kh\u00f4ng b\u1ecb \u0111\u1ee9t m\u1ea1ch \u0111i\u1ec7n ho\u1eb7c h\u1ecfng h\u00f3c, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong c\u00e1c m\u1ea1ch v\u00e0 h\u1ec7 th\u1ed1ng c\u00f4ng su\u1ea5t cao.<\/p>\n\n\n\n

7. \u0110\u1ed9 d\u1eabn nhi\u1ec7t:<\/strong> M\u1eb7c d\u00f9 kh\u00f4ng cao b\u1eb1ng m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u b\u00e1n d\u1eabn kh\u00e1c, c\u00e1c t\u1ea5m wafer GaP v\u1eabn c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t \u1edf m\u1ee9c trung b\u00ecnh, gi\u00fap t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3 trong qu\u00e1 tr\u00ecnh thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng. \u0110\u1eb7c t\u00ednh n\u00e0y mang l\u1ea1i l\u1ee3i th\u1ebf cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t cao v\u00e0 c\u00e1c linh ki\u1ec7n quang \u0111i\u1ec7n t\u1eed, n\u01a1i vi\u1ec7c qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a thi\u1ebft b\u1ecb khi ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n\n\n\n

8. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c k\u1ef9 thu\u1eadt gia c\u00f4ng:<\/strong> C\u00e1c t\u1ea5m wafer GaP t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u k\u1ef9 thu\u1eadt ch\u1ebf t\u1ea1o kh\u00e1c nhau, bao g\u1ed3m c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t tri\u1ec3n l\u1edbp ph\u1ee7 nh\u01b0 Ph\u00e1t tri\u1ec3n l\u1edbp ph\u1ee7 pha h\u01a1i h\u1eefu c\u01a1 kim lo\u1ea1i (MOVPE) v\u00e0 Ph\u00e1t tri\u1ec3n l\u1edbp ph\u1ee7 ch\u00f9m ph\u00e2n t\u1eed (MBE), c\u0169ng nh\u01b0 c\u00e1c k\u1ef9 thu\u1eadt x\u1eed l\u00fd b\u00e1n d\u1eabn truy\u1ec1n th\u1ed1ng nh\u01b0 quang kh\u1eafc, \u0103n m\u00f2n v\u00e0 m\u1ea1 kim lo\u1ea1i. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch n\u00e0y cho ph\u00e9p t\u00edch h\u1ee3p c\u00e1c t\u1ea5m wafer GaP v\u00e0o c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t b\u00e1n d\u1eabn hi\u1ec7n c\u00f3, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00e1c thi\u1ebft b\u1ecb ph\u1ee9c t\u1ea1p v\u00e0 c\u00f3 \u0111\u1ed9 t\u00edch h\u1ee3p cao v\u1edbi nh\u1eefng thay \u0111\u1ed5i t\u1ed1i thi\u1ec3u trong quy tr\u00ecnh.<\/p>\n\n\n\n

9. Kh\u1ea3 n\u0103ng ch\u1ed1ng b\u1ee9c x\u1ea1:<\/strong> C\u00e1c thi\u1ebft b\u1ecb d\u1ef1a tr\u00ean GaP c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng b\u1ee9c x\u1ea1 b\u1ea9m sinh, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng c\u00f3 b\u1ee9c x\u1ea1 cao nh\u01b0 ng\u00e0nh v\u0169 tr\u1ee5, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 c\u00f4ng nghi\u1ec7p h\u1ea1t nh\u00e2n. \u0110\u1eb7c t\u00ednh n\u00e0y mang l\u1ea1i l\u1ee3i th\u1ebf trong c\u00e1c s\u1ee9 m\u1ec7nh th\u00e1m hi\u1ec3m v\u0169 tr\u1ee5, h\u1ec7 th\u1ed1ng th\u00f4ng tin li\u00ean l\u1ea1c v\u1ec7 tinh v\u00e0 nh\u00e0 m\u00e1y \u0111i\u1ec7n h\u1ea1t nh\u00e2n, n\u01a1i c\u00e1c thi\u1ebft b\u1ecb d\u1ef1a tr\u00ean GaP c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 khi ti\u1ebfp x\u00fac v\u1edbi b\u1ee9c x\u1ea1 ion h\u00f3a.<\/p>\n\n\n\n

10. C\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi n\u1ed5i:<\/strong> C\u00e1c t\u1ea5m wafer GaP h\u1ee9a h\u1eb9n mang l\u1ea1i nhi\u1ec1u \u1ee9ng d\u1ee5ng m\u1edbi trong l\u0129nh v\u1ef1c khoa h\u1ecdc th\u00f4ng tin l\u01b0\u1ee3ng t\u1eed, c\u00f4ng ngh\u1ec7 nano v\u00e0 k\u1ef9 thu\u1eadt y sinh. Khi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u kh\u00e1m ph\u00e1 c\u00e1c t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng t\u1eed \u0111\u1ed9c \u0111\u00e1o v\u00e0 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng \u1edf quy m\u00f4 nano m\u00e0 c\u00e1c v\u1eadt li\u1ec7u d\u1ef1a tr\u00ean GaP th\u1ec3 hi\u1ec7n, nh\u1eefng c\u01a1 h\u1ed9i m\u1edbi \u0111ang m\u1edf ra cho vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c thi\u1ebft b\u1ecb v\u00e0 c\u00f4ng ngh\u1ec7 th\u1ebf h\u1ec7 ti\u1ebfp theo v\u1edbi ch\u1ee9c n\u0103ng v\u00e0 hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c n\u00e2ng cao.<\/p>\n\n\n\n

T\u00f3m l\u1ea1i, c\u00e1c t\u1ea5m wafer Phosphide Gallium (GaP) mang l\u1ea1i v\u00f4 s\u1ed1 l\u1ee3i th\u1ebf, gi\u00fap ch\u00fang tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 thi\u1ebfu trong b\u1ed1i c\u1ea3nh c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i. T\u1eeb hi\u1ec7u su\u1ea5t quang h\u1ecdc cao v\u00e0 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh kho\u1ea3ng c\u00e1ch d\u1ea3i n\u0103ng l\u01b0\u1ee3ng linh ho\u1ea1t, cho \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc, t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c k\u1ef9 thu\u1eadt ch\u1ebf t\u1ea1o, c\u00e1c t\u1ea5m wafer GaP gi\u00fap c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u, k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 s\u00e1ng t\u1ea1o m\u1edf r\u1ed9ng ranh gi\u1edbi c\u1ee7a khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt, th\u00fac \u0111\u1ea9y s\u1ef1 ti\u1ebfn b\u1ed9 trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Khi c\u00e1c n\u1ed7 l\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, c\u00e1c t\u1ea5m wafer GaP \u0111ang s\u1eb5n s\u00e0ng \u0111\u00f3ng vai tr\u00f2 ng\u00e0y c\u00e0ng quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng ngh\u1ec7, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho nh\u1eefng \u0111\u1ed9t ph\u00e1 mang t\u00ednh c\u00e1ch m\u1ea1ng nh\u1eb1m gi\u1ea3i quy\u1ebft c\u00e1c th\u00e1ch th\u1ee9c to\u00e0n c\u1ea7u v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c s\u1ed1ng cho c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"

GaP wafers’ abstract Gallium Phosphide (GaP) wafers have emerged as critical materials in the realm of electronic and optoelectronic applications, owing to their unique combination of properties and versatile fabrication processes. This comprehensive review elucidates the properties, fabrication techniques, and diverse applications of GaP wafers, shedding light on their significance across various industries. The paper […]<\/p>\n","protected":false},"author":2,"featured_media":6064,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[46,11],"tags":[],"class_list":["post-6058","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-crystal-wafer","category-products"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/02\/1708263176-2ff30aaaa4feac5136d84f5c8f22c44.png",516,514,false],"thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/02\/1708263176-2ff30aaaa4feac5136d84f5c8f22c44.png",150,150,false],"medium":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/02\/1708263176-2ff30aaaa4feac5136d84f5c8f22c44.png",300,300,false],"medium_large":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/02\/1708263176-2ff30aaaa4feac5136d84f5c8f22c44.png",516,514,false],"large":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/02\/1708263176-2ff30aaaa4feac5136d84f5c8f22c44.png",516,514,false],"1536x1536":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/02\/1708263176-2ff30aaaa4feac5136d84f5c8f22c44.png",516,514,false],"2048x2048":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/02\/1708263176-2ff30aaaa4feac5136d84f5c8f22c44.png",516,514,false],"trp-custom-language-flag":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/02\/1708263176-2ff30aaaa4feac5136d84f5c8f22c44.png",12,12,false],"woocommerce_thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/02\/1708263176-2ff30aaaa4feac5136d84f5c8f22c44.png",300,300,false],"woocommerce_single":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/02\/1708263176-2ff30aaaa4feac5136d84f5c8f22c44.png",516,514,false],"woocommerce_gallery_thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/02\/1708263176-2ff30aaaa4feac5136d84f5c8f22c44.png",100,100,false]},"uagb_author_info":{"display_name":"lydia","author_link":"https:\/\/www.sic-wafers.com\/vi\/author\/lydia\/"},"uagb_comment_info":0,"uagb_excerpt":"GaP wafers’ abstract Gallium Phosphide (GaP) wafers have emerged as critical materials in the realm of electronic and optoelectronic applications, owing to their unique combination of properties and versatile fabrication processes. This comprehensive review elucidates the properties, fabrication techniques, and diverse applications of GaP wafers, shedding light on their significance across various industries. The paper…","_links":{"self":[{"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/posts\/6058","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/comments?post=6058"}],"version-history":[{"count":3,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/posts\/6058\/revisions"}],"predecessor-version":[{"id":6110,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/posts\/6058\/revisions\/6110"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/media\/6064"}],"wp:attachment":[{"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/media?parent=6058"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/categories?post=6058"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/tags?post=6058"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}