{"id":131543,"date":"2024-04-07T13:56:34","date_gmt":"2024-04-07T05:56:34","guid":{"rendered":"https:\/\/www.alpapowder.com\/131543\/"},"modified":"2024-04-07T13:56:35","modified_gmt":"2024-04-07T05:56:35","slug":"su-khac-biet-trong-ung-dung-cua-tam-sapphire-voi-cac-huong-tinh-the-khac-nhau","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/131543\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t trong \u1ee9ng d\u1ee5ng c\u1ee7a t\u1ea5m sapphire v\u1edbi c\u00e1c h\u01b0\u1edbng tinh th\u1ec3 kh\u00e1c nhau"},"content":{"rendered":"

\"\"<\/p>\n

Sapphire l\u00e0 m\u1ed9t tinh th\u1ec3 nh\u00f4m oxit. N\u00f3 c\u00f3 m\u1ed9t h\u1ec7 tinh th\u1ec3 l\u01b0\u1ee3ng gi\u00e1c v\u00e0 c\u1ea5u tr\u00fac l\u1ee5c gi\u00e1c. C\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a n\u00f3 bao g\u1ed3m ba nguy\u00ean t\u1eed oxy v\u00e0 hai nguy\u00ean t\u1eed nh\u00f4m k\u1ebft h\u1ee3p v\u1edbi nhau b\u1eb1ng li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb. N\u00f3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp r\u1ea5t ch\u1eb7t ch\u1ebd v\u00e0 c\u00f3 chu\u1ed7i li\u00ean k\u1ebft m\u1ea1nh m\u1ebd, c\u00f3 n\u0103ng l\u01b0\u1ee3ng m\u1ea1ng cao v\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 t\u1ea1p ch\u1ea5t ho\u1eb7c khuy\u1ebft t\u1eadt b\u00ean trong tinh th\u1ec3, v\u00ec v\u1eady n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n tuy\u1ec7t v\u1eddi, trong su\u1ed1t, d\u1eabn nhi\u1ec7t t\u1ed1t v\u00e0 \u0111\u1eb7c t\u00ednh \u0111\u1ed9 c\u1ee9ng cao, v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i l\u00e0m c\u1eeda s\u1ed5 quang h\u1ecdc. v\u00e0 v\u1eadt li\u1ec7u n\u1ec1n hi\u1ec7u su\u1ea5t cao. Tuy nhi\u00ean, c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a sapphire r\u1ea5t ph\u1ee9c t\u1ea1p v\u00e0 d\u1ecb h\u01b0\u1edbng. Vi\u1ec7c x\u1eed l\u00fd v\u00e0 s\u1eed d\u1ee5ng c\u00e1c h\u01b0\u1edbng tinh th\u1ec3 kh\u00e1c nhau c\u00f3 t\u00e1c d\u1ee5ng r\u1ea5t kh\u00e1c nhau \u0111\u1ed1i v\u1edbi c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd t\u01b0\u01a1ng \u1ee9ng, do \u0111\u00f3 c\u00e1ch s\u1eed d\u1ee5ng c\u0169ng kh\u00e1c nhau. N\u00f3i chung, ch\u1ea5t n\u1ec1n sapphire c\u00f3 s\u1eb5n \u1edf c\u00e1c h\u01b0\u1edbng m\u1eb7t ph\u1eb3ng C, R, A v\u00e0 M.<\/p>\n

\u1ee8ng d\u1ee5ng c\u1ee7a sapphire m\u1eb7t C<\/p>\n

L\u00e0 ch\u1ea5t b\u00e1n d\u1eabn c\u00f3 d\u1ea3i r\u1ed9ng th\u1ebf h\u1ec7 th\u1ee9 ba, v\u1eadt li\u1ec7u gallium nitride (GaN) c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh nh\u01b0 kho\u1ea3ng c\u00e1ch d\u1ea3i tr\u1ef1c ti\u1ebfp r\u1ed9ng, li\u00ean k\u1ebft nguy\u00ean t\u1eed m\u1ea1nh, \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao, \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc t\u1ed1t (h\u1ea7u nh\u01b0 kh\u00f4ng b\u1ecb \u0103n m\u00f2n b\u1edfi b\u1ea5t k\u1ef3 axit n\u00e0o) v\u00e0 b\u1ec1n v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng b\u1ee9c x\u1ea1 tuy\u1ec7t v\u1eddi. , n\u00f3 c\u00f3 tri\u1ec3n v\u1ecdng r\u1ed9ng l\u1edbn trong \u1ee9ng d\u1ee5ng quang \u0111i\u1ec7n t\u1eed, thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t cao nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 thi\u1ebft b\u1ecb vi s\u00f3ng t\u1ea7n s\u1ed1 cao. Tuy nhi\u00ean, do nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y cao c\u1ee7a GaN n\u00ean hi\u1ec7n nay r\u1ea5t kh\u00f3 thu \u0111\u01b0\u1ee3c v\u1eadt li\u1ec7u \u0111\u01a1n tinh th\u1ec3 c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn. Do \u0111\u00f3, m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn l\u00e0 th\u1ef1c hi\u1ec7n t\u0103ng tr\u01b0\u1edfng d\u1ecb th\u1ec3 tr\u00ean c\u00e1c ch\u1ea5t n\u1ec1n kh\u00e1c, c\u00f3 y\u00eau c\u1ea7u cao h\u01a1n \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u n\u1ec1n.<\/p>\n

\u1ee8ng d\u1ee5ng c\u1ee7a sapphire m\u1eb7t A<\/p>\n

Do \u0111\u1eb7c t\u00ednh to\u00e0n di\u1ec7n tuy\u1ec7t v\u1eddi, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed9 truy\u1ec1n qua tuy\u1ec7t v\u1eddi, tinh th\u1ec3 \u0111\u01a1n sapphire c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u \u1ee9ng xuy\u00ean th\u1ea5u c\u1ee7a tia h\u1ed3ng ngo\u1ea1i, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u c\u1eeda s\u1ed5 h\u1ed3ng ngo\u1ea1i trung b\u00ecnh l\u00fd t\u01b0\u1edfng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong thi\u1ebft b\u1ecb quang \u0111i\u1ec7n t\u1eed qu\u00e2n s\u1ef1. Trong s\u1ed1 \u0111\u00f3, sapphire m\u1eb7t A l\u00e0 b\u1ec1 m\u1eb7t theo ph\u01b0\u01a1ng ph\u00e1p tuy\u1ebfn c\u1ee7a b\u1ec1 m\u1eb7t c\u1ef1c (ph\u00eda C) v\u00e0 l\u00e0 b\u1ec1 m\u1eb7t kh\u00f4ng ph\u00e2n c\u1ef1c. N\u00f3i chung, ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a tinh th\u1ec3 sapphire ph\u00e1t tri\u1ec3n theo h\u01b0\u1edbng a s\u1ebd t\u1ed1t h\u01a1n so v\u1edbi tinh th\u1ec3 ph\u00e1t tri\u1ec3n theo h\u01b0\u1edbng c. N\u00f3 c\u00f3 \u00edt sai l\u1ec7ch h\u01a1n, \u00edt c\u1ea5u tr\u00fac kh\u1ea3m h\u01a1n v\u00e0 c\u1ea5u tr\u00fac tinh th\u1ec3 ho\u00e0n ch\u1ec9nh h\u01a1n, v.v., do \u0111\u00f3 n\u00f3 c\u00f3 hi\u1ec7u su\u1ea5t truy\u1ec1n \u00e1nh s\u00e1ng t\u1ed1t h\u01a1n. \u0110\u1ed3ng th\u1eddi, do b\u1ec1 m\u1eb7t A s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p li\u00ean k\u1ebft nguy\u00ean t\u1eed Al-O-Al-O n\u00ean \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a sapphire h\u01b0\u1edbng a cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi sapphire h\u01b0\u1edbng c. Do \u0111\u00f3, t\u1ea5m wafer h\u01b0\u1edbng A ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u c\u1eeda s\u1ed5; Ngo\u00e0i ra, sapphire h\u01b0\u1edbng A c\u00f2n c\u00f3 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i \u0111\u1ed3ng nh\u1ea5t v\u00e0 \u0111\u1eb7c t\u00ednh c\u00e1ch \u0111i\u1ec7n cao n\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng ngh\u1ec7 vi \u0111i\u1ec7n t\u1eed lai v\u00e0 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c ch\u1ea5t si\u00eau d\u1eabn cao.<\/p>\n

\u1ee8ng d\u1ee5ng sapphire b\u1ec1 m\u1eb7t R\/b\u1ec1 m\u1eb7t M<\/p>\n

M\u1eb7t ph\u1eb3ng R l\u00e0 m\u1eb7t ph\u1eb3ng kh\u00f4ng ph\u00e2n c\u1ef1c c\u1ee7a sapphire. Do \u0111\u00f3, nh\u1eefng thay \u0111\u1ed5i v\u1ec1 v\u1ecb tr\u00ed c\u1ee7a m\u1eb7t ph\u1eb3ng R trong thi\u1ebft b\u1ecb sapphire mang l\u1ea1i cho n\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1, nhi\u1ec7t, \u0111i\u1ec7n v\u00e0 quang kh\u00e1c nhau. N\u00f3i chung, ch\u1ea5t n\u1ec1n sapphire m\u1eb7t ph\u1eb3ng R \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho s\u1ef1 l\u1eafng \u0111\u1ecdng silicon<\/a> d\u1ecb th\u1ec3, ch\u1ee7 y\u1ebfu \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c \u1ee9ng d\u1ee5ng m\u1ea1ch t\u00edch h\u1ee3p b\u00e1n d\u1eabn, vi s\u00f3ng v\u00e0 vi \u0111i\u1ec7n t\u1eed. S\u1ef1 t\u0103ng tr\u01b0\u1edfng c\u01a1 ch\u1ea5t lo\u1ea1i R c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. V\u1edbi s\u1ef1 ph\u1ed5 bi\u1ebfn hi\u1ec7n nay c\u1ee7a \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh v\u00e0 h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh b\u1ea3ng, ch\u1ea5t n\u1ec1n sapphire b\u1ec1 m\u1eb7t R \u0111\u00e3 thay th\u1ebf c\u00e1c thi\u1ebft b\u1ecb SAW ph\u1ee9c h\u1ee3p hi\u1ec7n c\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh v\u00e0 m\u00e1y t\u00ednh b\u1ea3ng, cung c\u1ea5p ch\u1ea5t n\u1ec1n thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.<\/p>\n

Ngo\u00e0i ra, khi m\u1eb7t ph\u1eb3ng R ho\u1eb7c m\u1eb7t ph\u1eb3ng M \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c l\u1edbp epiticular kh\u00f4ng ph\u00e2n c\u1ef1c\/b\u00e1n ph\u00e2n c\u1ef1c, so v\u1edbi ch\u1ea5t n\u1ec1n sapphire m\u1eb7t ph\u1eb3ng C, n\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n m\u1ed9t ph\u1ea7n ho\u1eb7c th\u1eadm ch\u00ed ho\u00e0n to\u00e0n c\u00e1c v\u1ea5n \u0111\u1ec1 do tr\u01b0\u1eddng ph\u00e2n c\u1ef1c g\u00e2y ra trong thi\u1ebft b\u1ecb ph\u00e1t ra \u00e1nh s\u00e1ng. V\u00ec v\u1eady, v\u1eadt li\u1ec7u n\u1ec1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m \u0111\u00e8n LED c\u00f3 th\u1ec3 gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ph\u00e1t s\u00e1ng. Tuy nhi\u00ean, khi gia c\u00f4ng ho\u1eb7c c\u1eaft ch\u1ecdn m\u1eb7t m v\u00ec b\u1ec1 m\u1eb7t c\u1eaft d\u1ec5 b\u1ecb n\u1ee9t v\u00e0 kh\u00f3 chu\u1ea9n b\u1ecb \u0111\u01b0\u1ee3c b\u1ec1 m\u1eb7t ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n","protected":false},"excerpt":{"rendered":"

Vi\u1ec7c x\u1eed l\u00fd v\u00e0 s\u1eed d\u1ee5ng c\u00e1c h\u01b0\u1edbng tinh th\u1ec3 kh\u00e1c nhau c\u00f3 t\u00e1c d\u1ee5ng r\u1ea5t kh\u00e1c nhau \u0111\u1ed1i v\u1edbi c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd t\u01b0\u01a1ng \u1ee9ng, do \u0111\u00f3 c\u00e1ch s\u1eed d\u1ee5ng c\u0169ng kh\u00e1c nhau.<\/p>\n","protected":false},"author":7,"featured_media":131507,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-131543","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/131543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=131543"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/131543\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/131507"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=131543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=131543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=131543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}