{"id":137233,"date":"2026-07-07T11:34:44","date_gmt":"2026-07-07T03:34:44","guid":{"rendered":"https:\/\/www.alpapowder.com\/137233\/"},"modified":"2026-07-07T11:34:44","modified_gmt":"2026-07-07T03:34:44","slug":"cac-ung-dung-cua-nhom-nitrua-trong-nganh-cong-nghiep-ban-dan","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/137233\/","title":{"rendered":"C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a Nh\u00f4m Nitrua trong ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn"},"content":{"rendered":"

\"\"<\/p>\n

**V\u1eadt li\u1ec7u n\u1ec1n \u0111\u00f3ng g\u00f3i linh ki\u1ec7n \u0111i\u1ec7n t\u1eed**<\/p>\n

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 ch\u1ea5t b\u00e1n d\u1eabn th\u1ebf h\u1ec7 th\u1ee9 ba\u2014c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn \u0111ang ng\u00e0y c\u00e0ng c\u00f3 xu h\u01b0\u1edbng h\u01b0\u1edbng t\u1edbi c\u00f4ng su\u1ea5t cao, thu nh\u1ecf k\u00edch th\u01b0\u1edbc, t\u00edch h\u1ee3p v\u00e0 \u0111a ch\u1ee9c n\u0103ng. S\u1ef1 ph\u00e1t tri\u1ec3n n\u00e0y \u0111\u1eb7t ra y\u00eau c\u1ea7u cao h\u01a1n v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u n\u1ec1n \u0111\u00f3ng g\u00f3i. C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u g\u1ed1m ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m n\u1ec1n \u0111\u00f3ng g\u00f3i linh ki\u1ec7n \u0111i\u1ec7n t\u1eed bao g\u1ed3m nh\u00f4m oxit (Al2O3), nh\u00f4m nitrua (AlN), silic nitrua (Si3N4), beri oxit (BeO) v\u00e0 silic cacbua (SiC).<\/p>\n

So v\u1edbi c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u g\u1ed1m kh\u00e1c, AlN s\u1edf h\u1eefu \u0111\u1ed9 d\u1eabn nhi\u1ec7t v\u01b0\u1ee3t tr\u1ed9i; \u0111\u1ed9 d\u1eabn nhi\u1ec7t l\u00fd thuy\u1ebft \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng c\u00f3 th\u1ec3 l\u00ean t\u1edbi 320 W\/(m\u00b7K)\u2014g\u1ea5p 8 \u0111\u1ebfn 10 l\u1ea7n so v\u1edbi g\u1ed1m alumina\u2014trong khi \u0111\u1ed9 d\u1eabn nhi\u1ec7t trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 200 W\/(m\u00b7K). Ngo\u00e0i ra, g\u1ed1m AlN c\u00f2n c\u00f3 \u0111\u1ed9 c\u1ee9ng cao, h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t g\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi silic, \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ec3 t\u00edch cao, h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i th\u1ea5p v\u00e0 t\u1ed5n hao \u0111i\u1ec7n m\u00f4i th\u1ea5p. H\u01a1n n\u1eefa, v\u1eadt li\u1ec7u n\u00e0y kh\u00f4ng \u0111\u1ed9c h\u1ea1i, ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t. Hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a n\u00f3 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n so v\u1edbi alumina v\u00e0 beri oxit, bi\u1ebfn n\u00f3 th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho c\u00e1c lo\u1ea1i \u0111\u1ebf b\u00e1n d\u1eabn th\u1ebf h\u1ec7 m\u1edbi v\u00e0 \u0111\u00f3ng g\u00f3i linh ki\u1ec7n \u0111i\u1ec7n t\u1eed.<\/p>\n

**Linh ki\u1ec7n thi\u1ebft b\u1ecb b\u00e1n d\u1eabn**<\/p>\n

Nh\u1edd c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc \u0111\u1ed9c \u0111\u00e1o, g\u1ed1m nh\u00f4m nitrua \u0111\u00f3ng vai tr\u00f2 ng\u00e0y c\u00e0ng quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn. Trong l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t b\u00e1n d\u1eabn, m\u00e2m gi\u1eef t\u0129nh \u0111i\u1ec7n (ESC) l\u00e0 m\u1ed9t linh ki\u1ec7n then ch\u1ed1t; thi\u1ebft k\u1ebf v\u00e0 vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cho linh ki\u1ec7n n\u00e0y c\u00f3 \u00fd ngh\u0129a quy\u1ebft \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a to\u00e0n b\u1ed9 quy tr\u00ecnh s\u1ea3n xu\u1ea5t. Do m\u00e2m gi\u1eef t\u0129nh \u0111i\u1ec7n ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng plasma c\u0169ng nh\u01b0 ti\u1ebfp x\u00fac v\u1edbi kh\u00ed nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 c\u00f3 t\u00ednh \u0103n m\u00f2n, n\u00ean v\u1eadt li\u1ec7u ch\u1ebf t\u1ea1o c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng s\u1ed1c nhi\u1ec7t, ch\u1ed1ng ch\u1ecbu s\u1ef1 b\u1eafn ph\u00e1 c\u1ee7a plasma v\u00e0 ch\u1ed1ng \u0103n m\u00f2n h\u00f3a h\u1ecdc.<\/p>\n

Alumina v\u00e0 nh\u00f4m nitrua l\u00e0 nh\u1eefng v\u1eadt li\u1ec7u ch\u1ee7 \u0111\u1ea1o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u00e2m gi\u1eef t\u0129nh \u0111i\u1ec7n. Trong \u0111\u00f3, g\u1ed1m nh\u00f4m nitrua (AlN) \u0111\u01b0\u1ee3c coi l\u00e0 v\u1eadt li\u1ec7u \u01b0u ti\u00ean nh\u1edd s\u1edf h\u1eefu h\u00e0ng lo\u1ea1t \u0111\u1eb7c t\u00ednh xu\u1ea5t s\u1eafc, bao g\u1ed3m \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i, t\u1ed5n hao \u0111i\u1ec7n m\u00f4i v\u00e0 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i th\u1ea5p, c\u00f9ng h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t g\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi silic. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n v\u1ec1 c\u1ea5u tr\u00fac v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh ch\u1ee9c n\u0103ng c\u1ee7a m\u00e2m gi\u1eef t\u0129nh \u0111i\u1ec7n trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh kh\u1eafc nghi\u1ec7t, m\u00e0 c\u00f2n n\u00e2ng cao hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u0169ng nh\u01b0 \u0111\u1ed9 tin c\u1eady c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t b\u00e1n d\u1eabn. \u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a g\u1ed1m AlN d\u00f9ng cho c\u00e1c m\u00e2m gi\u1eef t\u0129nh \u0111i\u1ec7n (electrostatic chuck) lo\u1ea1i Johnsen-Rahbek (J-R), c\u1ea7n ch\u1ebf t\u1ea1o lo\u1ea1i g\u1ed1m c\u00f3 \u0111\u1ed9 \u0111\u1eb7c kh\u00edt cao, v\u1edbi \u0111i\u1ec7n tr\u1edf su\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng n\u1eb1m trong kho\u1ea3ng 10\u2078 \u0111\u1ebfn 10\u00b9\u00b2 \u03a9\u00b7cm v\u00e0 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 thi\u00eau k\u1ebft th\u1ea5p h\u01a1n.<\/p>\n

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V\u1eadt li\u1ec7u n\u1ec1n b\u00e1n d\u1eabn<\/p>\n

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, nh\u00f4m nitride (AlN) \u0111\u00e3 n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u b\u00e1n d\u1eabn th\u1ebf h\u1ec7 m\u1edbi c\u00f3 v\u00f9ng c\u1ea5m si\u00eau r\u1ed9ng \u0111\u1ea7y h\u1ee9a h\u1eb9n v\u00e0 l\u00e0 v\u1eadt li\u1ec7u chi\u1ebfn l\u01b0\u1ee3c quan tr\u1ecdng nh\u1edd nh\u1eefng \u0111\u1eb7c t\u00ednh \u01b0u vi\u1ec7t. V\u1edbi v\u00f9ng c\u1ea5m r\u1ed9ng 6,2 eV \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, AlN s\u1edf h\u1eefu c\u00e1c \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n, nhi\u1ec7t v\u00e0 quang-\u00e2m xu\u1ea5t s\u1eafc, gi\u00fap kh\u1eafc ph\u1ee5c nh\u1eefng h\u1ea1n ch\u1ebf v\u1eadt l\u00fd c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u b\u00e1n d\u1eabn th\u1ebf h\u1ec7 th\u1ee9 nh\u1ea5t v\u00e0 th\u1ee9 hai nh\u01b0 silicon v\u00e0 gallium arsenide.<\/p>\n

 <\/p>\n

V\u1eadt li\u1ec7u m\u00e0ng m\u1ecfng nh\u00f4m nitride (AlN)<\/p>\n

M\u00e0ng m\u1ecfng AlN l\u00e0 v\u1eadt li\u1ec7u b\u00e1n d\u1eabn c\u00f3 v\u00f9ng c\u1ea5m tr\u1ef1c ti\u1ebfp, s\u1edf h\u1eefu c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1, \u0111i\u1ec7n v\u00e0 quang h\u1ecdc tuy\u1ec7t v\u1eddi. M\u1eb7c d\u00f9 c\u00e1c thi\u1ebft b\u1ecb ph\u00e1t \u00e1nh s\u00e1ng xanh d\u01b0\u01a1ng v\u00e0 xanh l\u00e1 c\u00e2y d\u1ef1a tr\u00ean GaN \u0111\u00e3 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, qu\u00e1 tr\u00ecnh t\u0103ng tr\u01b0\u1edfng tinh th\u1ec3 GaN v\u1eabn g\u1eb7p tr\u1edf ng\u1ea1i do thi\u1ebfu v\u1eadt li\u1ec7u n\u1ec1n ph\u00f9 h\u1ee3p. Nh\u1edd s\u1ef1 t\u01b0\u01a1ng th\u00edch tuy\u1ec7t v\u1eddi v\u1ec1 m\u1ea1ng tinh th\u1ec3 v\u00e0 t\u00ednh ch\u1ea5t nhi\u1ec7t gi\u1eefa AlN v\u00e0 GaN, vi\u1ec7c ch\u1ebf t\u1ea1o m\u00e0ng m\u1ecfng AlN ch\u1ea5t l\u01b0\u1ee3ng cao mang \u00fd ngh\u0129a quan tr\u1ecdng; ch\u00fang c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 l\u1edbp \u0111\u1ec7m gi\u00fap n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng tinh th\u1ec3 GaN, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 c\u1ea3m bi\u1ebfn.<\/p>\n

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V\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh \u0111a n\u0103ng bao g\u1ed3m “t\u1ea3n nhi\u1ec7t + c\u00e1ch \u0111i\u1ec7n + v\u00f9ng c\u1ea5m r\u1ed9ng”, nh\u00f4m nitride \u0111\u01b0\u1ee3c coi l\u00e0 “tr\u00e1i tim” c\u1ee7a c\u00e1c ngu\u1ed3n s\u00e1ng tr\u1ea1ng th\u00e1i r\u1eafn, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t v\u00e0 thi\u1ebft b\u1ecb v\u00f4 tuy\u1ebfn t\u1ea7n s\u1ed1 vi s\u00f3ng. \u0110\u00e2y l\u00e0 l\u0129nh v\u1ef1c ti\u00ean phong trong nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 b\u00e1n d\u1eabn to\u00e0n c\u1ea7u v\u00e0 l\u00e0 tr\u1ecdng t\u00e2m c\u1ee7a cu\u1ed9c c\u1ea1nh tranh chi\u1ebfn l\u01b0\u1ee3c. Khi nhu c\u1ea7u v\u1ec1 n\u0103ng l\u1ef1c t\u00ednh to\u00e1n AI b\u00f9ng n\u1ed5, t\u1ea3n nhi\u1ec7t \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i, quan tr\u1ecdng kh\u00f4ng k\u00e9m g\u00ec thi\u1ebft k\u1ebf transistor. M\u1eb7c d\u00f9 hi\u1ec7n t\u1ea1i c\u00f2n g\u1eb7p th\u00e1ch th\u1ee9c v\u1ec1 chi ph\u00ed ch\u1ebf t\u1ea1o v\u00e0 \u0111\u1ed9 ho\u00e0n thi\u1ec7n c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t, v\u1eadt li\u1ec7u n\u00e0y v\u1eabn c\u00f3 tri\u1ec3n v\u1ecdng ph\u00e1t tri\u1ec3n to l\u1edbn trong vi\u1ec7c gi\u1ea3i quy\u1ebft c\u00e1c n\u00fat th\u1eaft v\u1ec1 “qu\u1ea3n l\u00fd nhi\u1ec7t” c\u0169ng nh\u01b0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 “t\u1ea7n s\u1ed1 cao v\u00e0 \u0111i\u1ec7n \u00e1p cao” \u0111\u1ed1i v\u1edbi c\u00f4ng ngh\u1ec7 b\u00e1n d\u1eabn trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, nh\u00f4m nitride (AlN) \u0111\u00e3 n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u b\u00e1n d\u1eabn th\u1ebf h\u1ec7 m\u1edbi c\u00f3 v\u00f9ng c\u1ea5m si\u00eau r\u1ed9ng \u0111\u1ea7y h\u1ee9a h\u1eb9n v\u00e0 l\u00e0 v\u1eadt li\u1ec7u chi\u1ebfn l\u01b0\u1ee3c quan tr\u1ecdng, nh\u1edd v\u00e0o c\u00e1c \u0111\u1eb7c t\u00ednh \u01b0u vi\u1ec7t c\u1ee7a n\u00f3.<\/p>\n","protected":false},"author":7,"featured_media":137208,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-137233","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\/137233","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=137233"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/137233\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/137208"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=137233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=137233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=137233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}