{"id":129092,"date":"2023-09-22T14:44:11","date_gmt":"2023-09-22T06:44:11","guid":{"rendered":"https:\/\/www.alpapowder.com\/129092\/"},"modified":"2023-09-22T14:44:12","modified_gmt":"2023-09-22T06:44:12","slug":"8-loai-bot-gom-su-duoc-ua-chuong-nhat-hien-nay","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/129092\/","title":{"rendered":"8 lo\u1ea1i b\u1ed9t g\u1ed1m s\u1ee9 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng nh\u1ea5t hi\u1ec7n nay"},"content":{"rendered":"

\"\"<\/p>\n

G\u1ed1m s\u1ee9 ti\u00ean ti\u1ebfn c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1, \u00e2m, quang, nhi\u1ec7t, \u0111i\u1ec7n, sinh h\u1ecdc v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c tuy\u1ec7t v\u1eddi v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y \u1edf m\u1ecdi n\u01a1i trong c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 cao c\u1ea5p nh\u01b0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, th\u00f4ng tin \u0111i\u1ec7n t\u1eed, y sinh v\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb cao c\u1ea5p. C\u00f3 nhi\u1ec1u lo\u1ea1i g\u1ed1m s\u1ee9, v\u00e0 g\u1ed1m s\u1ee9 v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a c\u1ee7a g\u1ed1m alumina, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u0111i\u1ec7n cao c\u1ee7a g\u1ed1m silicon<\/a> nitride, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc cao c\u1ee7a g\u1ed1m s\u1ee9 zirconia, v.v.<\/p>\n

 <\/p>\n

Alumina c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao<\/p>\n

Alumina c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 \u0111\u1ed9 tinh khi\u1ebft cao, \u0111\u1ed9 c\u1ee9ng cao, \u0111\u1ed9 b\u1ec1n cao, ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, ch\u1ed1ng m\u00e0i m\u00f2n, c\u00e1ch nhi\u1ec7t t\u1ed1t, t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u1ed5n \u0111\u1ecbnh, hi\u1ec7u su\u1ea5t co ng\u00f3t \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u1eeba ph\u1ea3i, v.v. N\u00f3 c\u00f3 \u0111\u1eb7c t\u00ednh thi\u00eau k\u1ebft t\u1ed1t v\u00e0 kh\u00f4ng th\u1ec3 so s\u00e1nh v\u1edbi alumina th\u00f4ng th\u01b0\u1eddng b\u1ed9t. V\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh quang, \u0111i\u1ec7n, t\u1eeb, nhi\u1ec7t v\u00e0 c\u01a1, n\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u cao c\u1ea5p c\u00f3 gi\u00e1 tr\u1ecb gia t\u0103ng cao nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong c\u00e1c h\u00f3a ch\u1ea5t hi\u1ec7n \u0111\u1ea1i. L\u00e0 m\u1ed9t lo\u1ea1i s\u1ea3n ph\u1ea9m alumina hi\u1ec7u su\u1ea5t cao, alumina c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng ngh\u1ec7 cao v\u00e0 ti\u00ean ti\u1ebfn nh\u01b0 v\u1eadt li\u1ec7u hu\u1ef3nh quang, g\u1ed1m s\u1ee9 trong su\u1ed1t, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, n\u0103ng l\u01b0\u1ee3ng m\u1edbi, v\u1eadt li\u1ec7u x\u00fac t\u00e1c v\u00e0 v\u1eadt li\u1ec7u h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5.<\/p>\n

 <\/p>\n

Boehmite<\/p>\n

Boehmite ch\u1ee9a n\u01b0\u1edbc tinh th\u1ec3 c\u00f3 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc \u03b3-Al2O3\u00b7H2O ho\u1eb7c \u03b3-AlOOH, l\u00e0 m\u1ed9t lo\u1ea1i nh\u00f4m oxit hydrat.<\/p>\n

 <\/p>\n

Nh\u00f4m nitrat<\/p>\n

D\u1ef1a tr\u00ean s\u1ef1 ph\u00e1t tri\u1ec3n hi\u1ec7n nay c\u1ee7a chip \u0111i\u1ec7n t\u1eed c\u00f3 hi\u1ec7u su\u1ea5t to\u00e0n di\u1ec7n ng\u00e0y c\u00e0ng cao h\u01a1n v\u00e0 k\u00edch th\u01b0\u1edbc t\u1ed5ng th\u1ec3 ng\u00e0y c\u00e0ng nh\u1ecf h\u01a1n, m\u1eadt \u0111\u1ed9 d\u00f2ng nhi\u1ec7t hi\u1ec3n th\u1ecb trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c c\u1ee7a chip \u0111i\u1ec7n t\u1eed c\u0169ng t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3. Do \u0111\u00f3, vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh \u0111\u00f3ng g\u00f3i ph\u00f9 h\u1ee3p c\u0169ng nh\u01b0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t c\u1ee7a thi\u1ebft b\u1ecb \u0111\u00e3 tr\u1edf th\u00e0nh nh\u1eefng tr\u1edf ng\u1ea1i k\u1ef9 thu\u1eadt trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n. B\u1ea3n th\u00e2n v\u1eadt li\u1ec7u g\u1ed1m s\u1ee9 c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh nh\u01b0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t, c\u00e1ch nhi\u1ec7t cao, \u0111\u1ed9 b\u1ec1n cao v\u00e0 kh\u1ea3 n\u0103ng k\u1ebft h\u1ee3p nhi\u1ec7t v\u1edbi v\u1eadt li\u1ec7u chip n\u00ean r\u1ea5t th\u00edch h\u1ee3p l\u00e0m ch\u1ea5t n\u1ec1n \u0111\u00f3ng g\u00f3i thi\u1ebft b\u1ecb \u0111i\u1ec7n.<\/p>\n

 <\/p>\n

Silicon<\/a> nitride<\/p>\n

Silicon<\/a> nitride hi\u1ec7n ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u g\u1ed1m v\u00e0 g\u1ed1m silicon nitride l\u00e0 v\u1eadt li\u1ec7u ch\u1ee7 ch\u1ed1t kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00f4ng ngh\u1ec7 c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn.<\/p>\n

 <\/p>\n

alumina h\u00ecnh c\u1ea7u<\/p>\n

Trong s\u1ed1 nhi\u1ec1u v\u1eadt li\u1ec7u b\u1ed9t d\u1eabn nhi\u1ec7t, alumina h\u00ecnh c\u1ea7u d\u1ef1a v\u00e0o \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao, h\u1ec7 s\u1ed1 l\u1ea5p \u0111\u1ea7y cao, t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t, c\u00f4ng ngh\u1ec7 tr\u01b0\u1edfng th\u00e0nh, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt phong ph\u00fa v\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i h\u1ee3p l\u00fd. Gi\u00e1 \u0111\u00e3 tr\u1edf th\u00e0nh lo\u1ea1i b\u1ed9t d\u1eabn nhi\u1ec7t ph\u1ed5 bi\u1ebfn nh\u1ea5t trong l\u0129nh v\u1ef1c d\u1eabn nhi\u1ec7t cao c\u1ea5p trong ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u1ed9t d\u1eabn nhi\u1ec7t.<\/p>\n

 <\/p>\n

Bari titanat<\/p>\n

Barium titanate (BaTiO3) l\u00e0 c\u1ea5u tr\u00fac perovskite lo\u1ea1i ABO3. K\u1ec3 t\u1eeb khi \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n m\u00f4i tuy\u1ec7t v\u1eddi c\u1ee7a g\u1ed1m bari titanat \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0o n\u1eeda \u0111\u1ea7u th\u1ebf k\u1ef7 20, n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u \u0111i\u1ec7n m\u00f4i cho t\u1ee5 \u0111i\u1ec7n. N\u00f3 hi\u1ec7n l\u00e0 v\u1eadt li\u1ec7u \u0111i\u1ec7n m\u00f4i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t. M\u1ed9t trong nh\u1eefng lo\u1ea1i b\u1ed9t g\u1ed1m \u0111i\u1ec7n t\u1eed ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u0169ng l\u00e0 nguy\u00ean li\u1ec7u g\u1ed1c \u0111\u1ec3 s\u1ea3n xu\u1ea5t linh ki\u1ec7n \u0111i\u1ec7n t\u1eed n\u00ean \u0111\u01b0\u1ee3c m\u1ec7nh danh l\u00e0 \u201cx\u01b0\u01a1ng s\u1ed1ng c\u1ee7a ng\u00e0nh g\u1ed1m \u0111i\u1ec7n t\u1eed\u201d.<\/p>\n

 <\/p>\n

zirconia nanocompozit<\/p>\n

Nanocomposite zirconia l\u00e0 m\u1ed9t lo\u1ea1i zirconia c\u00f3 th\u1ec3 duy tr\u00ec pha t\u1ee9 gi\u00e1c ho\u1eb7c kh\u1ed1i \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng sau khi th\u00eam ch\u1ea5t \u1ed5n \u0111\u1ecbnh. Ch\u1ea5t \u1ed5n \u0111\u1ecbnh ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c oxit \u0111\u1ea5t hi\u1ebfm (Y2O3, CeO2, v.v.) v\u00e0 c\u00e1c oxit kim lo\u1ea1i ki\u1ec1m th\u1ed5 (CaO, MgO, v.v.)).<\/p>\n

 <\/p>\n

Cacbua silic c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao<\/p>\n

V\u1eadt li\u1ec7u cacbua silic ch\u1ee7 y\u1ebfu c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: g\u1ed1m v\u00e0 \u0111\u01a1n tinh th\u1ec3. L\u00e0 v\u1eadt li\u1ec7u g\u1ed1m, y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a n\u00f3 kh\u00f4ng qu\u00e1 kh\u1eaft khe trong c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng chung.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00f3 nhi\u1ec1u lo\u1ea1i g\u1ed1m s\u1ee9, v\u00e0 g\u1ed1m s\u1ee9 v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a c\u1ee7a g\u1ed1m alumina, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u0111i\u1ec7n cao c\u1ee7a g\u1ed1m silicon nitride, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc cao c\u1ee7a g\u1ed1m s\u1ee9 zirconia, v.v.<\/p>\n","protected":false},"author":7,"featured_media":129054,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-129092","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\/129092"}],"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=129092"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/129092\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/129054"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=129092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=129092"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=129092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}