{"id":134617,"date":"2024-10-16T13:47:22","date_gmt":"2024-10-16T05:47:22","guid":{"rendered":"https:\/\/www.alpapowder.com\/134617\/"},"modified":"2024-10-16T13:47:23","modified_gmt":"2024-10-16T05:47:23","slug":"vat-lieu-loi-truyen-thong-the-he-tiep-theo-lithium-tantalate","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/134617\/","title":{"rendered":"V\u1eadt li\u1ec7u l\u00f5i truy\u1ec1n th\u00f4ng th\u1ebf h\u1ec7 ti\u1ebfp theo: lithium tantalate"},"content":{"rendered":"

\"\"<\/p>\n

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a Internet v\u1ea1n v\u1eadt, tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 c\u00f4ng ngh\u1ec7 d\u1eef li\u1ec7u l\u1edbn, lithium tantalate (LiTaO3) \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1, truy\u1ec1n th\u00f4ng 5G, h\u01b0\u1edbng d\u1eabn, m\u00e1y d\u00f2 h\u1ed3ng ngo\u1ea1i v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c do c\u00e1c \u0111\u1eb7c t\u00ednh tuy\u1ec7t v\u1eddi c\u1ee7a n\u00f3 nh\u01b0 \u00e1p \u0111i\u1ec7n, quang h\u1ecdc \u00e2m thanh v\u00e0 quang h\u1ecdc \u0111i\u1ec7n. M\u00e0ng tinh th\u1ec3 \u0111\u01a1n c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 v\u1eadt li\u1ec7u m\u1edbi c\u1ea7n thi\u1ebft c\u1ea5p b\u00e1ch cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb m\u1edbi trong k\u1ef7 nguy\u00ean h\u1eadu Moore.<\/p>\n

Lithium tantalate l\u00e0 v\u1eadt li\u1ec7u tinh th\u1ec3 \u0111a ch\u1ee9c n\u0103ng c\u00f3 hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi. N\u00f3 c\u00f3 c\u1ea5u tr\u00fac ilmenit v\u00e0 kh\u00f4ng m\u00e0u ho\u1eb7c v\u00e0ng nh\u1ea1t. Nguy\u00ean li\u1ec7u tinh th\u1ec3 th\u00f4 c\u1ee7a n\u00f3 r\u1ea5t d\u1ed3i d\u00e0o, hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 d\u1ec5 gia c\u00f4ng. N\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c tinh th\u1ec3 \u0111\u01a1n ch\u1ea5t l\u01b0\u1ee3ng cao, k\u00edch th\u01b0\u1edbc l\u1edbn. C\u00e1c tinh th\u1ec3 lithium tantalate \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t c\u00e1c thi\u1ebft b\u1ecb truy\u1ec1n th\u00f4ng \u0111i\u1ec7n t\u1eed nh\u01b0 b\u1ed9 c\u1ed9ng h\u01b0\u1edfng, b\u1ed9 l\u1ecdc b\u1ec1 m\u1eb7t v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i. \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u ch\u1ee9c n\u0103ng kh\u00f4ng th\u1ec3 thi\u1ebfu trong nhi\u1ec1u l\u0129nh v\u1ef1c truy\u1ec1n th\u00f4ng cao c\u1ea5p nh\u01b0 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, truy\u1ec1n th\u00f4ng v\u1ec7 tinh v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5.<\/p>\n

\u1ee8ng d\u1ee5ng ch\u00ednh<\/p>\n

B\u1ed9 l\u1ecdc s\u00f3ng \u00e2m b\u1ec1 m\u1eb7t (SAW)
\nB\u1ed9 l\u1ecdc s\u00f3ng \u00e2m b\u1ec1 m\u1eb7t l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb l\u1ecdc \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n c\u1ee7a v\u1eadt li\u1ec7u dao \u0111\u1ed9ng tinh th\u1ec3 \u00e1p \u0111i\u1ec7n v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd c\u1ee7a s\u1ef1 truy\u1ec1n s\u00f3ng \u00e2m b\u1ec1 m\u1eb7t. N\u00f3 c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 t\u1ed5n th\u1ea5t truy\u1ec1n th\u1ea5p, \u0111\u1ed9 tin c\u1eady cao, t\u00ednh linh ho\u1ea1t trong s\u1ea3n xu\u1ea5t l\u1edbn, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u01b0\u01a1ng t\u1ef1\/k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 \u0111\u1eb7c t\u00ednh l\u1ef1a ch\u1ecdn t\u1ea7n s\u1ed1 tuy\u1ec7t v\u1eddi. C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a n\u00f3 bao g\u1ed3m \u0111\u01b0\u1eddng truy\u1ec1n, tinh th\u1ec3 \u00e1p \u0111i\u1ec7n v\u00e0 b\u1ed9 suy gi\u1ea3m. Khi t\u00edn hi\u1ec7u \u0111\u1ebfn b\u1ec1 m\u1eb7t c\u1ee7a tinh th\u1ec3 \u00e1p \u0111i\u1ec7n th\u00f4ng qua \u0111\u01b0\u1eddng truy\u1ec1n, s\u00f3ng \u00e2m b\u1ec1 m\u1eb7t s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra. T\u1ed1c \u0111\u1ed9 c\u1ee7a s\u00f3ng \u00e2m b\u1ec1 m\u1eb7t \u1edf c\u00e1c t\u1ea7n s\u1ed1 kh\u00e1c nhau l\u00e0 kh\u00e1c nhau trong qu\u00e1 tr\u00ecnh truy\u1ec1n. B\u1eb1ng c\u00e1ch thi\u1ebft k\u1ebf h\u1ee3p l\u00fd h\u00ecnh d\u1ea1ng h\u00ecnh h\u1ecdc v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 truy\u1ec1n c\u1ee7a tinh th\u1ec3 \u00e1p \u0111i\u1ec7n v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i li\u00ean ng\u00f3n tay v\u00e0 s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a b\u1ed9 ph\u1ea3n x\u1ea1, c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u \u1ee9ng l\u1ecdc \u1edf c\u00e1c t\u1ea7n s\u1ed1 kh\u00e1c nhau.<\/p>\n

B\u1ed9 dao \u0111\u1ed9ng tinh th\u1ec3
\nB\u1ed9 dao \u0111\u1ed9ng tinh th\u1ec3 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u00e0nh d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u1edbi t\u1ea7n s\u1ed1 nh\u1ea5t \u0111\u1ecbnh. N\u00f3 ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n c\u1ee7a tinh th\u1ec3 \u00e1p \u0111i\u1ec7n \u0111\u1ec3 t\u1ea1o ra dao \u0111\u1ed9ng \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh. Khi \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho hai c\u1ef1c c\u1ee7a chip, tinh th\u1ec3 s\u1ebd bi\u1ebfn d\u1ea1ng, do \u0111\u00f3 t\u1ea1o ra \u0111i\u1ec7n \u00e1p tr\u00ean t\u1ea5m kim lo\u1ea1i. B\u1ed9 dao \u0111\u1ed9ng tinh th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u0111\u00e0i ph\u00e1t thanh truy\u1ec1n th\u00f4ng, GPS, truy\u1ec1n th\u00f4ng v\u1ec7 tinh, thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa, m\u00e1y ph\u00e1t \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng v\u00e0 b\u1ed9 \u0111\u1ebfm t\u1ea7n s\u1ed1 cao c\u1ea5p v\u00ec t\u00edn hi\u1ec7u AC t\u1ea7n s\u1ed1 r\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a ch\u00fang. N\u00f3 th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c tinh th\u1ec3 c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n v\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc \u0111\u1ec3 cung c\u1ea5p dao \u0111\u1ed9ng t\u1ea7n s\u1ed1 \u0111\u01a1n \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u00ednh x\u00e1c. Hi\u1ec7n nay, c\u00e1c v\u1eadt li\u1ec7u tinh th\u1ec3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m v\u1eadt li\u1ec7u b\u00e1n d\u1eabn th\u1ea1ch anh v\u00e0 chip tantalat lithium.<\/p>\n

M\u00e1y d\u00f2 nhi\u1ec7t \u0111i\u1ec7n
\nM\u00e1y d\u00f2 nhi\u1ec7t \u0111i\u1ec7n l\u00e0 m\u1ed9t c\u1ea3m bi\u1ebfn s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ec3 ph\u00e1t hi\u1ec7n nh\u1eefng thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i. N\u00f3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n nh\u1eefng thay \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u1ee7a m\u1ee5c ti\u00eau \u1edf d\u1ea1ng kh\u00f4ng ti\u1ebfp x\u00fac, do \u0111\u00f3 t\u1ea1o ra t\u00edn hi\u1ec7u \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c. Th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a n\u00f3 l\u00e0 m\u1ed9t chip nhi\u1ec7t \u0111i\u1ec7n, m\u1ed9t v\u1eadt li\u1ec7u tinh th\u1ec3 \u0111\u01a1n c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t \u0111\u1eb7c bi\u1ec7t, th\u01b0\u1eddng bao g\u1ed3m c\u00e1c \u0111\u01a1n v\u1ecb c\u00f3 \u0111i\u1ec7n t\u00edch tr\u00e1i d\u1ea5u, c\u00f3 tr\u1ee5c tinh th\u1ec3 v\u00e0 ph\u00e2n c\u1ef1c t\u1ef1 ph\u00e1t. V\u1eadt li\u1ec7u nhi\u1ec7t \u0111i\u1ec7n c\u1ea7n \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb r\u1ea5t m\u1ecfng v\u00e0 c\u00e1c \u0111i\u1ec7n c\u1ef1c \u0111\u01b0\u1ee3c m\u1ea1 tr\u00ean b\u1ec1 m\u1eb7t vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tinh th\u1ec3. \u0110i\u1ec7n c\u1ef1c b\u1ec1 m\u1eb7t tr\u00ean c\u1ea7n \u0111\u01b0\u1ee3c m\u1ea1 m\u1ed9t l\u1edbp h\u1ea5p th\u1ee5 tr\u01b0\u1edbc khi c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng. Khi b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i \u0111\u1ebfn l\u1edbp h\u1ea5p th\u1ee5, chip nhi\u1ec7t \u0111i\u1ec7n s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng v\u00e0 m\u1ed9t \u0111i\u1ec7n c\u1ef1c b\u1ec1 m\u1eb7t s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra; n\u1ebfu b\u1ee9c x\u1ea1 b\u1ecb ng\u1eaft qu\u00e3ng, m\u1ed9t \u0111i\u1ec7n t\u00edch ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/p>\n

Lithium tantalate c\u00f3 tri\u1ec3n v\u1ecdng \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong truy\u1ec1n th\u00f4ng 5G, chip quang t\u1eed, th\u00f4ng tin l\u01b0\u1ee3ng t\u1eed v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c do h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111i\u1ec7n l\u1edbn, nhi\u1ec7t \u0111\u1ed9 Curie cao, h\u1ec7 s\u1ed1 t\u1ed5n th\u1ea5t \u0111i\u1ec7n m\u00f4i nh\u1ecf, \u0111i\u1ec3m n\u00f3ng ch\u1ea3y nhi\u1ec7t tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb th\u1ec3 t\u00edch th\u1ea5p, h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf v\u00e0 hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/p>\n","protected":false},"excerpt":{"rendered":"

Liti tantalat l\u00e0 v\u1eadt li\u1ec7u tinh th\u1ec3 \u0111a ch\u1ee9c n\u0103ng c\u00f3 hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi. N\u00f3 c\u00f3 c\u1ea5u tr\u00fac ilmenit v\u00e0 kh\u00f4ng m\u00e0u ho\u1eb7c v\u00e0ng nh\u1ea1t.<\/p>\n","protected":false},"author":7,"featured_media":134581,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-134617","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\/134617"}],"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=134617"}],"version-history":[{"count":1,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/134617\/revisions"}],"predecessor-version":[{"id":134618,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/134617\/revisions\/134618"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/134581"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=134617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=134617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=134617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}