{"id":8072,"date":"2025-12-12T10:39:04","date_gmt":"2025-12-12T02:39:04","guid":{"rendered":"https:\/\/www.sic-wafers.com\/?p=8072"},"modified":"2025-12-12T10:39:40","modified_gmt":"2025-12-12T02:39:40","slug":"giai-thich-cau-truc-tinh-the-sapphire-mat-phang-c-mat-phang-r-va-cac-ung-dung-trong-linh-vuc-ban-dan-cua-chung","status":"publish","type":"post","link":"https:\/\/www.sic-wafers.com\/vi\/sapphire-crystal-structure-explained-a-plane-c-plane-r-plane-and-their-semiconductor-applications\/","title":{"rendered":"Gi\u1ea3i th\u00edch c\u1ea5u tr\u00fac tinh th\u1ec3 sapphire: M\u1eb7t ph\u1eb3ng A, m\u1eb7t ph\u1eb3ng C, m\u1eb7t ph\u1eb3ng R v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c b\u00e1n d\u1eabn"},"content":{"rendered":"
<\/div>\n

Ng\u1ecdc b\u00edch (\u03b1-Al\u2082O\u2083) l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u n\u1ec1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn v\u00e0 quang \u0111i\u1ec7n t\u1eed. T\u00ednh ch\u1ea5t v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a n\u00f3 \u0111\u1ed9 c\u1ee9ng c\u01a1 h\u1ecdc, t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc v\u00e0 kho\u1ea3ng c\u00e1ch d\u1ea3i n\u0103ng l\u01b0\u1ee3ng r\u1ed9ng<\/strong> khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7u su\u1ea5t cao.<\/p>\n\n\n\n

M\u1eb7c d\u00f9 sapphire c\u00f3 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc \u0111\u1ed3ng nh\u1ea5t, nh\u01b0ng c\u1ea5u tr\u00fac tinh th\u1ec3 l\u00e0 c\u1ea5u tr\u00fac d\u1ecb h\u01b0\u1edbng<\/strong>, c\u00f3 ngh\u0129a l\u00e0 c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 \u0111i\u1ec7n t\u1eed s\u1ebd kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o h\u01b0\u1edbng c\u1ee7a m\u1eb7t ph\u1eb3ng tinh th\u1ec3. Hi\u1ec3u r\u00f5 c\u00e1c m\u1eb7t ph\u1eb3ng n\u00e0y\u2014M\u1eb7t ph\u1eb3ng A, m\u1eb7t ph\u1eb3ng C, m\u1eb7t ph\u1eb3ng R v\u00e0 c\u00e1c m\u1eb7t ph\u1eb3ng kh\u00e1c<\/strong>\u2014l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu trong vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ea5t n\u1ec1n cho c\u00e1c \u1ee9ng d\u1ee5ng b\u00e1n d\u1eabn c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch c\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a sapphire, \u00fd ngh\u0129a c\u1ee7a c\u00e1c m\u1eb7t ph\u1eb3ng kh\u00e1c nhau, c\u0169ng nh\u01b0 c\u00e1ch c\u00e1c m\u1eb7t ph\u1eb3ng n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb b\u00e1n d\u1eabn.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

1. C\u1ea5u tr\u00fac tinh th\u1ec3 c\u01a1 b\u1ea3n c\u1ee7a ng\u1ecdc b\u00edch<\/strong><\/h2>\n\n\n\n

Ng\u1ecdc b\u00edch l\u00e0 d\u1ea1ng l\u1ee5c gi\u00e1c c\u1ee7a oxit nh\u00f4m (\u03b1-Al\u2082O\u2083)<\/strong>. C\u00e1c nguy\u00ean t\u1eed c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo m\u1ed9t c\u1ea5u tr\u00fac m\u1ea1ng x\u1ebfp ch\u1eb7t h\u00ecnh l\u1ee5c gi\u00e1c<\/strong>, trong \u0111\u00f3:<\/p>\n\n\n\n

    \n
  • C\u00e1c ion nh\u00f4m (Al\u00b3\u207a) chi\u1ebfm hai ph\u1ea7n ba c\u00e1c v\u1ecb tr\u00ed h\u00ecnh b\u00e1t di\u1ec7n<\/strong><\/li>\n\n\n\n
  • C\u00e1c ion oxy (O\u00b2\u207b) t\u1ea1o th\u00e0nh m\u1ed9t l\u01b0\u1edbi l\u1ee5c gi\u00e1c<\/strong><\/li>\n\n\n\n
  • M\u1ed7i ion nh\u00f4m \u0111\u01b0\u1ee3c bao quanh b\u1edfi s\u00e1u ion oxy (c\u1ea5u tr\u00fac ph\u1ed1i tr\u00ed b\u00e1t di\u1ec7n)<\/li>\n<\/ul>\n\n\n\n

    C\u00e1c th\u00f4ng s\u1ed1 m\u1ea1ng tinh th\u1ec3 c\u1ee7a ng\u1ecdc b\u00edch x\u1ea5p x\u1ec9 l\u00e0:<\/p>\n\n\n\n

      \n
    • a = 4,76 \u00c5<\/strong><\/li>\n\n\n\n
    • c = 12,99 \u00c5<\/strong><\/li>\n<\/ul>\n\n\n\n

      The c\u1ea5u tr\u00fac l\u1ee5c gi\u00e1c<\/strong> ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 sapphire c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc, quang h\u1ecdc v\u00e0 nhi\u1ec7t h\u1ecdc d\u1ecb h\u01b0\u1edbng<\/strong>.<\/p>\n\n\n\n

      2. C\u00e1c m\u1eb7t ph\u1eb3ng tinh th\u1ec3 trong ng\u1ecdc b\u00edch<\/strong><\/h2>\n\n\n\n

      Tinh th\u1ec3 sapphire c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eaft theo c\u00e1c m\u1eb7t ph\u1eb3ng kh\u00e1c nhau, t\u1ea1o ra c\u00e1c t\u1ea5m wafer c\u00f3 h\u01b0\u1edbng b\u1ec1 m\u1eb7t ri\u00eang bi\u1ec7t. C\u00e1c m\u1eb7t ph\u1eb3ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0:<\/p>\n\n\n\n

      C-Plane (0001)<\/strong><\/h3>\n\n\n\n
        \n
      • C\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1eb7t ph\u1eb3ng c\u01a1 s\u1edf<\/strong><\/li>\n\n\n\n
      • Ph\u01b0\u01a1ng vu\u00f4ng g\u00f3c v\u1edbi b\u1ec1 m\u1eb7t d\u1ecdc theo tr\u1ee5c c<\/strong><\/li>\n\n\n\n
      • Lo\u1ea1i m\u00e1y bay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn<\/li>\n\n\n\n
      • Th\u00f4ng tin chi ti\u1ebft:<\/strong>\n
          \n
        • B\u1ec1 m\u1eb7t s\u00e2n th\u01b0\u1ee3ng nguy\u00ean t\u1eed nh\u1eb5n<\/li>\n\n\n\n
        • \u0110\u1ed1i x\u1ee9ng cao nh\u1ea5t<\/li>\n\n\n\n
        • H\u1ed7 tr\u1ee3 ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t tri\u1ec3n epitactic theo chi\u1ec1u d\u1ecdc<\/strong> c\u1ee7a GaN v\u00e0 c\u00e1c ch\u1ea5t b\u00e1n d\u1eabn III-V kh\u00e1c<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n

          A-Plane (11-20)<\/strong><\/h3>\n\n\n\n
            \n
          • Ph\u01b0\u01a1ng vu\u00f4ng g\u00f3c v\u1edbi m\u1ed9t trong c\u00e1c tr\u1ee5c a<\/strong><\/li>\n\n\n\n
          • C\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m-ph\u1eb3ng<\/strong> trong m\u1ed9t s\u1ed1 t\u00e0i li\u1ec7u<\/li>\n\n\n\n
          • Th\u00f4ng tin chi ti\u1ebft:<\/strong>\n
              \n
            • \u0110\u1ed9 ph\u00e2n c\u1ef1c gi\u1ea3m so v\u1edbi m\u1eb7t ph\u1eb3ng C<\/li>\n\n\n\n
            • \u0110\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho S\u1ef1 ph\u00e1t tri\u1ec3n GaN kh\u00f4ng ph\u00e2n c\u1ef1c<\/strong><\/li>\n\n\n\n
            • Gi\u1ea3m thi\u1ec3u tr\u01b0\u1eddng \u00e1p \u0111i\u1ec7n trong \u0111\u00e8n LED<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n

              R-Plane (1-102)<\/strong><\/h3>\n\n\n\n
                \n
              • Surface l\u00e0 nghi\u00eang so v\u1edbi tr\u1ee5c c<\/strong><\/li>\n\n\n\n
              • C\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1eb7t ph\u1eb3ng r<\/strong> ho\u1eb7c \u201cm\u1eb7t ph\u1eb3ng c\u1eaft sai\u201d<\/strong><\/li>\n\n\n\n
              • Th\u00f4ng tin chi ti\u1ebft:<\/strong>\n
                  \n
                • Cho ph\u00e9p ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t tri\u1ec3n l\u1edbp ph\u1ee7 b\u00e1n c\u1ef1c<\/strong><\/li>\n\n\n\n
                • Gi\u1ea3m tr\u01b0\u1eddng \u0111i\u1ec7n b\u00ean trong c\u00e1c gi\u1ebfng l\u01b0\u1ee3ng t\u1eed<\/li>\n\n\n\n
                • N\u00e2ng cao hi\u1ec7u su\u1ea5t thu nh\u1eadn \u00e1nh s\u00e1ng c\u1ee7a \u0111\u00e8n LED<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n

                  C\u00e1c m\u00e1y bay kh\u00e1c<\/strong><\/h3>\n\n\n\n
                    \n
                  • M\u1eb7t ph\u1eb3ng M (10-10)<\/strong> v\u00e0 M\u1eb7t ph\u1eb3ng N (11-23)<\/strong> c\u00f3 t\u1ed3n t\u1ea1i nh\u01b0ng \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng h\u01a1n trong c\u00e1c ch\u1ea5t n\u1ec1n th\u01b0\u01a1ng m\u1ea1i.<\/li>\n<\/ul>\n\n\n\n

                    3. T\u1ea1i sao m\u1eb7t ph\u1eb3ng tinh th\u1ec3 l\u1ea1i quan tr\u1ecdng trong l\u0129nh v\u1ef1c ch\u1ea5t b\u00e1n d\u1eabn<\/strong><\/h2>\n\n\n\n

                    H\u01b0\u1edbng c\u1ee7a m\u1eb7t ph\u1eb3ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn:<\/p>\n\n\n\n

                      \n
                    1. Ch\u1ea5t l\u01b0\u1ee3ng qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n l\u1edbp ph\u1ee7<\/strong>\n
                        \n
                      • S\u1ef1 kh\u00f4ng kh\u1edbp m\u1ea1ng tinh th\u1ec3 gi\u1eefa sapphire v\u00e0 l\u1edbp epitactic ph\u1ee5 thu\u1ed9c v\u00e0o m\u1eb7t ph\u1eb3ng<\/li>\n\n\n\n
                      • M\u1eadt \u0111\u1ed9 khuy\u1ebft t\u1eadt trong c\u00e1c l\u1edbp GaN thay \u0111\u1ed5i t\u00f9y theo h\u01b0\u1edbng c\u1ee7a ch\u1ea5t n\u1ec1n<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                      • Hi\u1ec7u \u1ee9ng ph\u00e2n c\u1ef1c<\/strong>\n
                          \n
                        • S\u1ef1 ph\u00e1t tri\u1ec3n GaN tr\u00ean m\u1eb7t ph\u1eb3ng C l\u00e0 theo h\u01b0\u1edbng c\u1ef1c \u2192 t\u1ea1o ra c\u00e1c \u0111i\u1ec7n tr\u01b0\u1eddng b\u00ean trong m\u1ea1nh<\/li>\n\n\n\n
                        • M\u1eb7t ph\u1eb3ng A v\u00e0 m\u1eb7t ph\u1eb3ng R \u2192 s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ph\u00e2n c\u1ef1c ho\u1eb7c b\u00e1n ph\u00e2n c\u1ef1c \u2192 tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb suy gi\u1ea3m<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                        • Hi\u1ec7u su\u1ea5t thi\u1ebft b\u1ecb<\/strong>\n
                            \n
                          • \u0110\u00e8n LED: Hi\u1ec7u \u1ee9ng Stark do gi\u1edbi h\u1ea1n l\u01b0\u1ee3ng t\u1eed gi\u1ea3m gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t<\/li>\n\n\n\n
                          • Thi\u1ebft b\u1ecb \u0111i\u1ec7n: S\u1ef1 l\u1ef1a ch\u1ecdn m\u1eb7t ph\u1eb3ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 d\u1eabn nhi\u1ec7t v\u00e0 \u1ee9ng su\u1ea5t b\u1ec1 m\u1eb7t<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n

                            4. V\u00ed d\u1ee5 th\u1ef1c t\u1ebf<\/strong><\/h2>\n\n\n\n
                            M\u00e1y bay<\/th>C\u00e1ch s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng<\/th>Nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/th><\/tr><\/thead>
                            M\u1eb7t ph\u1eb3ng C (0001)<\/strong><\/td>\u0110\u00e8n LED GaN, HEMT<\/td>Qu\u00e1 tr\u00ecnh epitaxy \u0111\u01a1n gi\u1ea3n, d\u1ec5 d\u00e0ng ti\u1ebfp c\u1eadn, c\u00f3 \u0111\u1ed9 \u0111\u1ed1i x\u1ee9ng cao<\/td><\/tr>
                            M\u00e1y bay A (11-20)<\/strong><\/td>\u0110\u00e8n LED kh\u00f4ng ph\u00e2n c\u1ef1c<\/td>Gi\u1ea3m tr\u01b0\u1eddng ph\u00e2n c\u1ef1c, n\u00e2ng cao hi\u1ec7u su\u1ea5t<\/td><\/tr>
                            M\u00e1y bay R (1-102)<\/strong><\/td>\u0110\u00e8n LED b\u00e1n c\u1ef1c, thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t cao<\/td>Gi\u1ea3m thi\u1ec3u khuy\u1ebft t\u1eadt, t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng thu nh\u1eadn \u00e1nh s\u00e1ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                            \n\n\n\n

                            5. C\u00e1c y\u1ebfu t\u1ed1 c\u01a1 h\u1ecdc v\u00e0 quang h\u1ecdc<\/strong><\/h2>\n\n\n\n
                              \n
                            • \u0110\u1ed9 c\u1ee9ng:<\/strong> Sapphire c\u00f3 \u0110\u1ed9 c\u1ee9ng Mohs l\u00e0 9<\/strong>, gi\u00fap s\u1ea3n ph\u1ea9m c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc r\u1ea5t t\u1ed1t trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 gia c\u00f4ng.<\/li>\n\n\n\n
                            • \u0110\u1ed9 d\u1eabn nhi\u1ec7t:<\/strong> C\u00f3 s\u1ef1 thay \u0111\u1ed5i nh\u1eb9 t\u00f9y theo h\u01b0\u1edbng c\u1ee7a m\u1eb7t ph\u1eb3ng, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t cao.<\/li>\n\n\n\n
                            • T\u00ednh minh b\u1ea1ch:<\/strong> Ng\u1ecdc b\u00edch c\u00f3 \u0111\u1ed9 trong su\u1ed1t cao Tia c\u1ef1c t\u00edm \u0111\u1ebfn tia h\u1ed3ng ngo\u1ea1i g\u1ea7n<\/strong>, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng quang \u0111i\u1ec7n t\u1eed.<\/li>\n<\/ul>\n\n\n\n

                              6. Ch\u1ecdn m\u00e1y bay ph\u00f9 h\u1ee3p<\/strong><\/h2>\n\n\n\n

                              C\u00e1c k\u1ef9 s\u01b0 l\u1ef1a ch\u1ecdn ch\u1ea5t n\u1ec1n sapphire d\u1ef1a tr\u00ean:<\/p>\n\n\n\n

                                \n
                              1. Lo\u1ea1i thi\u1ebft b\u1ecb:<\/strong> \u0110\u00e8n LED, laser, thi\u1ebft b\u1ecb \u0111i\u1ec7n, c\u1ea3m bi\u1ebfn quang h\u1ecdc<\/li>\n\n\n\n
                              2. K\u1ef9 thu\u1eadt tr\u1ed3ng tr\u1ecdt:<\/strong> MOCVD, HVPE ho\u1eb7c LPE<\/li>\n\n\n\n
                              3. C\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n v\u00e0 quang h\u1ecdc mong mu\u1ed1n:<\/strong> \u0110\u1ed9 ph\u00e2n c\u1ef1c, m\u1eadt \u0111\u1ed9 khuy\u1ebft t\u1eadt, hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t \u00e1nh s\u00e1ng<\/li>\n<\/ol>\n\n\n\n

                                Quy t\u1eafc chung:<\/strong><\/p>\n\n\n\n

                                  \n
                                • M\u1eb7t ph\u1eb3ng C \u2192 l\u00e0 ti\u00eau chu\u1ea9n cho qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n GaN \u0111a d\u1ee5ng<\/li>\n\n\n\n
                                • A-plane \u2192 \u0111\u00e8n LED kh\u00f4ng ph\u00e2n c\u1ef1c, hi\u1ec7u su\u1ea5t cao h\u01a1n<\/li>\n\n\n\n
                                • M\u1eb7t ph\u1eb3ng R \u2192 b\u00e1n c\u1ef1c, gi\u1ea3m \u0111i\u1ec7n tr\u01b0\u1eddng b\u00ean trong<\/li>\n<\/ul>\n\n\n\n

                                  7. K\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n

                                  Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c m\u1eb7t tinh th\u1ec3 c\u1ee7a ng\u1ecdc b\u00edch l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi Thi\u1ebft k\u1ebf thi\u1ebft b\u1ecb b\u00e1n d\u1eabn v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t<\/strong>.<\/p>\n\n\n\n

                                    \n
                                  • The M\u1eb7t ph\u1eb3ng C<\/strong> v\u1eabn l\u00e0 ti\u00eau chu\u1ea9n cho qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n l\u1edbp ph\u1ee7 theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng.<\/li>\n\n\n\n
                                  • M\u1eb7t ph\u1eb3ng A v\u00e0 m\u1eb7t ph\u1eb3ng R<\/strong> l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng ph\u00e2n c\u1ef1c trong \u0111\u00e8n LED v\u00e0 c\u00e1c thi\u1ebft b\u1ecb quang \u0111i\u1ec7n t\u1eed kh\u00e1c.<\/li>\n\n\n\n
                                  • Vi\u1ec7c ch\u1ecdn h\u01b0\u1edbng \u0111\u00fang c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u l\u1ed7i, n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i c\u1ee7a thi\u1ebft b\u1ecb<\/strong>.<\/li>\n<\/ul>\n\n\n\n

                                    B\u1eb1ng c\u00e1ch n\u1eafm v\u1eefng c\u1ea5u tr\u00fac tinh th\u1ec3 sapphire v\u00e0 vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1eb7t ph\u1eb3ng, c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn c\u00f4ng su\u1ea5t cao, hi\u1ec7u su\u1ea5t cao v\u00e0 th\u1ebf h\u1ec7 m\u1edbi<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"

                                    Sapphire (\u03b1-Al\u2082O\u2083) is one of the most widely used substrate materials in the semiconductor and optoelectronics industries. Its exceptional mechanical hardness, chemical stability, and wide bandgap make it ideal for high-performance devices. Although sapphire is chemically uniform, its crystal structure is anisotropic, meaning that physical and electronic properties differ depending on the orientation of the […]<\/p>\n","protected":false},"author":2,"featured_media":8073,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[27],"tags":[1447,1450,1446,1451,1050,1444,1448,1445,1219,1335,1449,1046,1202,1452,1453],"class_list":["post-8072","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-companynews","tag-a-plane","tag-c-plane","tag-crystal-structure","tag-dislocation-density","tag-gan","tag-hexagonal-lattice","tag-leds","tag-non-polar-growth","tag-optoelectronics","tag-power-devices","tag-r-plane","tag-sapphire","tag-semiconductor-applications","tag-semipolar-growth","tag-substrate-orientation"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/Functional-crystallographic-planes-of-single-crystal-sapphire.webp",850,482,false],"thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/Functional-crystallographic-planes-of-single-crystal-sapphire-150x150.webp",150,150,true],"medium":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/Functional-crystallographic-planes-of-single-crystal-sapphire-300x170.webp",300,170,true],"medium_large":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/Functional-crystallographic-planes-of-single-crystal-sapphire-768x436.webp",768,436,true],"large":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/Functional-crystallographic-planes-of-single-crystal-sapphire.webp",800,454,false],"1536x1536":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/Functional-crystallographic-planes-of-single-crystal-sapphire.webp",850,482,false],"2048x2048":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/Functional-crystallographic-planes-of-single-crystal-sapphire.webp",850,482,false],"trp-custom-language-flag":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/Functional-crystallographic-planes-of-single-crystal-sapphire.webp",18,10,false],"woocommerce_thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/Functional-crystallographic-planes-of-single-crystal-sapphire-300x300.webp",300,300,true],"woocommerce_single":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/Functional-crystallographic-planes-of-single-crystal-sapphire-600x340.webp",600,340,true],"woocommerce_gallery_thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/12\/Functional-crystallographic-planes-of-single-crystal-sapphire-100x100.webp",100,100,true]},"uagb_author_info":{"display_name":"lydia","author_link":"https:\/\/www.sic-wafers.com\/vi\/author\/lydia\/"},"uagb_comment_info":0,"uagb_excerpt":"Sapphire (\u03b1-Al\u2082O\u2083) is one of the most widely used substrate materials in the semiconductor and optoelectronics industries. Its exceptional mechanical hardness, chemical stability, and wide bandgap make it ideal for high-performance devices. Although sapphire is chemically uniform, its crystal structure is anisotropic, meaning that physical and electronic properties differ depending on the orientation of the…","_links":{"self":[{"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/posts\/8072","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=8072"}],"version-history":[{"count":1,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/posts\/8072\/revisions"}],"predecessor-version":[{"id":8074,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/posts\/8072\/revisions\/8074"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/media\/8073"}],"wp:attachment":[{"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/media?parent=8072"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/categories?post=8072"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sic-wafers.com\/vi\/wp-json\/wp\/v2\/tags?post=8072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}