{"id":14419,"date":"2026-09-01T11:17:35","date_gmt":"2026-09-01T04:17:35","guid":{"rendered":"https:\/\/useful.vn\/?p=14419"},"modified":"2026-09-01T11:17:35","modified_gmt":"2026-09-01T04:17:35","slug":"trung-quoc-san-xuat-graphene-tinh-khiet-99-cho-chip-luong-tu","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=14419","title":{"rendered":"Trung Qu\u1ed1c s\u1ea3n xu\u1ea5t graphene tinh khi\u1ebft 99% cho chip l\u01b0\u1ee3ng t\u1eed"},"content":{"rendered":"
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\nTrung Qu\u1ed1c s\u1ea3n xu\u1ea5t graphene tinh khi\u1ebft 99% cho chip l\u01b0\u1ee3ng t\u1eed <\/h1>\n

Nh\u00f3m nghi\u00ean c\u1ee9u \u1edf \u0110\u1ea1i h\u1ecdc B\u1eafc Kinh ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t graphene c\u1ea5u tr\u00fac thoi hi\u1ec7u qu\u1ea3 h\u01a1n, m\u1edf \u0111\u01b0\u1eddng cho s\u1ea3n xu\u1ea5t m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed th\u1ebf h\u1ec7 m\u1edbi ch\u1ed1ng nhi\u1ec5u t\u1ed1t.<\/p>\n

Theo Interesting Engineering<\/em>, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u1edf \u0110\u1ea1i h\u1ecdc B\u1eafc Kinh ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t d\u1ef1a tr\u00ean graphene, c\u00f3 th\u1ec3 gi\u00fap m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn h\u01a1n trong t\u01b0\u01a1ng lai. Theo nghi\u00ean c\u1ee9u c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Science<\/em>, nh\u00e0 khoa h\u1ecdc Liu Kaihui v\u00e0 \u0111\u1ed3ng nghi\u1ec7p \u0111\u00e3 v\u01b0\u1ee3t qua m\u1ed9t tr\u1edf ng\u1ea1i l\u1edbn \u0111\u1ec3 t\u1ea1o ra graphene c\u1ea5u tr\u00fac thoi v\u1edbi \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 k\u00edch th\u01b0\u1edbc l\u1edbn ch\u01b0a t\u1eebng c\u00f3. \u0110\u00e2y l\u00e0 lo\u1ea1i graphene \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao nh\u1edd kh\u1ea3 n\u0103ng ch\u1ee9a nhi\u1ec1u tr\u1ea1ng th\u00e1i l\u01b0\u1ee3ng t\u1eed nh\u01b0ng v\u1eabn duy tr\u00ec \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/p>\n

Graphene c\u1ea5u tr\u00fac thoi l\u00e0 d\u1ea1ng graphene \u0111a l\u1edbp c\u00f3 tr\u1eadt t\u1ef1 x\u1ebfp ch\u1ed3ng ki\u1ec3u ABCABC (thay v\u00ec ki\u1ec3u ABAB ph\u1ed5 bi\u1ebfn), t\u1ea1o n\u00ean \u0111\u1ed1i x\u1ee9ng h\u00ecnh thoi. Theo c\u00e1ch s\u1eafp x\u1ebfp n\u00e0y, c\u00e1c l\u1edbp d\u1ecbch chuy\u1ec3n c\u00f9ng h\u01b0\u1edbng tr\u01b0\u1edbc khi l\u1eb7p l\u1ea1i nh\u01b0ng c\u1ea5u tr\u00fac k\u00e9m \u1ed5n \u0111\u1ecbnh do c\u00f3 xu h\u01b0\u1edbng ph\u00e2n r\u00e3 th\u00e0nh ki\u1ec3u ABAB. C\u1ea5u tr\u00fac x\u1ebfp l\u1edbp h\u00ecnh thoi t\u1ea1o ra v\u00f9ng n\u0103ng l\u01b0\u1ee3ng ph\u1eb3ng th\u00fac \u0111\u1ea9y electron t\u01b0\u01a1ng t\u00e1c m\u1ea1nh m\u1ebd v\u00e0 ch\u1ed1ng nhi\u1ec5u t\u1ed1t, gi\u00fap kh\u1eafc ph\u1ee5c m\u1ed9t trong nh\u1eefng tr\u1edf ng\u1ea1i ch\u00ednh c\u1ee7a m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed.<\/p>\n

Theo Zhang Zhibin, \u0111\u1ed3ng t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u, tr\u01b0\u1edbc \u0111\u00e2y, c\u00e1ch duy nh\u1ea5t \u0111\u1ec3 thu th\u1eadp graphene c\u1ea5u tr\u00fac thoi l\u00e0 b\u00f3c t\u00e1ch ki\u1ec3u th\u1ee7 c\u00f4ng. Nh\u00e0 nghi\u00ean c\u1ee9u ph\u1ea3i t\u00e1ch than ch\u00ec b\u1eb1ng b\u0103ng d\u00ednh v\u00e0 soi m\u1ea3nh v\u1ee5n d\u01b0\u1edbi k\u00ednh hi\u1ec3n vi cho t\u1edbi khi ph\u00e1t hi\u1ec7n m\u1ea3nh c\u00f3 c\u00e1ch s\u1eafp x\u1ebfp \u0111\u00fang (chi\u1ebfm t\u1ef7 l\u1ec7 ch\u01b0a \u0111\u1ebfn 1% trong m\u1eabu v\u1eadt).<\/p>\n

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Graphene c\u1ea5u tr\u00fac thoi. \u1ea2nh: \u0110\u1ea1i h\u1ecdc Texas Dallas<\/em><\/p>\n<\/figcaption><\/figure>\n

Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t m\u1edbi c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c t\u1ea5m ABC theo quy tr\u00ecnh c\u00f3 ki\u1ec3m so\u00e1t. Theo SCMP<\/em>, nh\u00f3m nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng b\u1ec1 m\u1eb7t nh\u00f4m oxit, sau \u0111\u00f3 th\u00eam h\u1ee3p kim \u0111\u1ed3ng – nickel \u0111\u00f3ng vai tr\u00f2 ch\u1ea5t x\u00fac t\u00e1c v\u00e0 khu\u00f4n \u0111\u1ecbnh h\u00ecnh. H\u1ecd s\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 t\u1eadp h\u1ee3p carbon th\u00e0nh graphene v\u00e0 t\u00e1c \u0111\u1ed9ng th\u00eam \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh c\u00e1c l\u1edbp n\u1ed1i ti\u1ebfp trong chu\u1ed7i ABC. K\u1ebft qu\u1ea3 l\u00e0 m\u1eabu v\u1eadt thu \u0111\u01b0\u1ee3c c\u00f3 \u0111\u1ed9 tinh khi\u1ebft 99%, v\u1edbi k\u00edch th\u01b0\u1edbc t\u1ed1i \u0111a 160 x 80 micromet v\u00e0 \u0111\u1ed9 d\u00e0y l\u00ean \u0111\u1ebfn 120 nanomet. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh s\u1ed1 l\u01b0\u1ee3ng l\u1edbp t\u1eeb v\u00e0i ch\u1ee5c \u0111\u1ebfn v\u00e0i tr\u0103m theo nhu c\u1ea7u.<\/p>\n

Liu Kaihui gi\u1ea3i th\u00edch, v\u1eadt li\u1ec7u m\u1edbi c\u00f3 th\u1ec3 cung c\u1ea5p n\u1ec1n t\u1ea3ng tuy\u1ec7t v\u1eddi \u0111\u1ec3 s\u1ea3n xu\u1ea5t chip l\u01b0\u1ee3ng t\u1eed d\u1ef1a tr\u00ean graphene. \u00d4ng cho bi\u1ebft vi\u1ec7c t\u00edch h\u1ee3p v\u1eadt li\u1ec7u 2D v\u00e0o c\u00e1c ph\u1ea7n ti\u00eau th\u1ee5 nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng nh\u1ea5t c\u1ee7a chip AI ho\u1eb7c khu v\u1ef1c c\u00f3 m\u1eadt \u0111\u1ed9 cao nh\u1ea5t trong chip nh\u1edb \u0111ang thu h\u00fat nhi\u1ec1u s\u1ef1 quan t\u00e2m.<\/p>\n

Trong t\u01b0\u01a1ng lai, nh\u00f3m nghi\u00ean c\u1ee9u d\u1ef1 \u0111\u1ecbnh gh\u00e9p nh\u1eefng m\u1ea3nh graphene c\u1ea5u tr\u00fac thoi nh\u1ecf l\u1ea1i v\u1edbi nhau \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c t\u1ea5m l\u1edbn h\u01a1n, s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng tr\u00ean thi\u1ebft b\u1ecb.<\/p>\n

An Khang<\/strong>t\u1ed5ng h\u1ee3p<\/em><\/p>\n<\/article>\n

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https:\/\/vnexpress.net\/trung-quoc-san-xuat-graphene-tinh-khiet-99-cho-chip-luong-tu-5107319.html<\/p>\n","protected":false},"excerpt":{"rendered":"

Trung Qu\u1ed1c s\u1ea3n xu\u1ea5t graphene tinh khi\u1ebft 99% cho chip l\u01b0\u1ee3ng t\u1eed Nh\u00f3m nghi\u00ean c\u1ee9u \u1edf \u0110\u1ea1i h\u1ecdc B\u1eafc Kinh ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t graphene c\u1ea5u tr\u00fac thoi hi\u1ec7u qu\u1ea3 h\u01a1n, m\u1edf \u0111\u01b0\u1eddng cho s\u1ea3n xu\u1ea5t m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed th\u1ebf h\u1ec7 m\u1edbi ch\u1ed1ng nhi\u1ec5u t\u1ed1t. Theo Interesting Engineering, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u<\/p>\n","protected":false},"author":1,"featured_media":14420,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-14419","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/14419","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14419"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/14419\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/14420"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}