{"id":139822,"date":"2026-03-04T17:03:07","date_gmt":"2026-03-04T09:03:07","guid":{"rendered":"https:\/\/honwaygroup.com\/lieu-anh-sang-co-thay-the-electron-su-xuat-hien-cua-hop-kim-germanium-thiec-phuc-hop-bao-hieu-mot-su-thay-doi-quan-trong-trong-nganh-cong-nghiep-ban-dan\/"},"modified":"2026-03-12T11:29:40","modified_gmt":"2026-03-12T03:29:40","slug":"lieu-anh-sang-co-thay-the-electron-su-xuat-hien-cua-hop-kim-germanium-thiec-phuc-hop-bao-hieu-mot-su-thay-doi-quan-trong-trong-nganh-cong-nghiep-ban-dan","status":"publish","type":"post","link":"https:\/\/honwaygroup.com\/vi\/lieu-anh-sang-co-thay-the-electron-su-xuat-hien-cua-hop-kim-germanium-thiec-phuc-hop-bao-hieu-mot-su-thay-doi-quan-trong-trong-nganh-cong-nghiep-ban-dan\/","title":{"rendered":"Li\u1ec7u \u00e1nh s\u00e1ng c\u00f3 thay th\u1ebf electron? S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a h\u1ee3p kim germanium-thi\u1ebfc ph\u1ee9c h\u1ee3p b\u00e1o hi\u1ec7u m\u1ed9t s\u1ef1 thay \u0111\u1ed5i quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn."},"content":{"rendered":"\n<p class=\"has-medium-font-size\">Trong l\u1ecbch s\u1eed ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn, silicon lu\u00f4n l\u00e0 &#8220;\u00f4ng vua&#8221; kh\u00f4ng th\u1ec3 tranh c\u00e3i. T\u1eeb gi\u1eefa th\u1ebf k\u1ef7 20 \u0111\u1ebfn nay, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ed9 vi x\u1eed l\u00fd h\u1ea7u nh\u01b0 ho\u00e0n to\u00e0n d\u1ef1a tr\u00ean vi\u1ec7c kh\u1eafc c\u00e1c b\u00f3ng b\u00e1n d\u1eabn ng\u00e0y c\u00e0ng nh\u1ecf h\u01a1n l\u00ean c\u00e1c t\u1ea5m silicon. Tuy nhi\u00ean, khi c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t ti\u1ebfn g\u1ea7n \u0111\u1ebfn gi\u1edbi h\u1ea1n v\u1eadt l\u00fd c\u1ee7a ch\u00fang, &#8220;\u0110\u1ecbnh lu\u1eadt Mohr&#8221; truy\u1ec1n th\u1ed1ng \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c ch\u01b0a t\u1eebng c\u00f3. M\u1eb7c d\u00f9 silicon ho\u1ea1t \u0111\u1ed9ng c\u1ef1c k\u1ef3 t\u1ed1t trong d\u1eabn \u0111i\u1ec7n t\u1eed, nh\u01b0ng nh\u1eefng h\u1ea1n ch\u1ebf v\u1ed1n c\u00f3 c\u1ee7a n\u00f3 v\u1ec1 hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i quang \u0111i\u1ec7n khi\u1ebfn n\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u00edch h\u1ee3p truy\u1ec1n th\u00f4ng quang t\u1ed1c \u0111\u1ed9 cao v\u1edbi \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao. &#8220;B\u1ee9c t\u01b0\u1eddng silicon&#8221; kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t qua n\u00e0y \u0111\u00e3 khi\u1ebfn c\u00e1c nh\u00e0 khoa h\u1ecdc tr\u00ean to\u00e0n th\u1ebf gi\u1edbi t\u00ecm ki\u1ebfm c\u00e1c v\u1eadt li\u1ec7u m\u1edbi t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t hi\u1ec7n c\u00f3 nh\u01b0ng s\u1edf h\u1eefu c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n\n<p class=\"has-medium-font-size\">G\u1ea7n \u0111\u00e2y, m\u1ed9t nh\u00f3m nghi\u00ean c\u1ee9u \u0111a qu\u1ed1c gia do \u0110\u1ea1i h\u1ecdc Edinburgh d\u1eabn \u0111\u1ea7u, h\u1ee3p t\u00e1c v\u1edbi c\u00e1c vi\u1ec7n nghi\u00ean c\u1ee9u h\u00e0ng \u0111\u1ea7u \u1edf \u0110\u1ee9c, Ph\u00e1p v\u00e0 c\u00e1c qu\u1ed1c gia kh\u00e1c, \u0111\u00e3 c\u00f4ng b\u1ed1 m\u1ed9t th\u00e0nh t\u1ef1u \u0111\u1ed9t ph\u00e1 tr\u00ean t\u1ea1p ch\u00ed *Journal of the American Chemical Society* (JACS). H\u1ecd \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng m\u1ed9t h\u1ee3p kim germanium-thi\u1ebfc (GeSn) m\u1edbi, m\u1ed9t v\u1eadt li\u1ec7u tr\u01b0\u1edbc \u0111\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng th\u1ec3 s\u1ea3n xu\u1ea5t \u1ed5n \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng. B\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t th\u1eafng l\u1ee3i cho khoa h\u1ecdc v\u1eadt li\u1ec7u m\u00e0 c\u00f2n b\u00e1o hi\u1ec7u m\u1ed9t k\u1ef7 nguy\u00ean m\u1edbi trong l\u0129nh v\u1ef1c b\u00e1n d\u1eabn, v\u1edbi \u00e1nh s\u00e1ng l\u00e0 c\u1ed1t l\u00f5i c\u1ee7a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u, c\u00f3 kh\u1ea3 n\u0103ng gi\u1ea3i quy\u1ebft n\u00fat th\u1eaft c\u1ed5 chai v\u1ec1 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng ng\u00e0y c\u00e0ng nghi\u00eam tr\u1ecdng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>M\u1ee5c l\u1ee5c<\/h2><nav><ul><li class=\"\"><a href=\"#%E7%AA%81%E7%A0%B4%E8%83%BD%E9%9A%99%E5%9B%B0%E5%A2%83%EF%BC%9A%E8%AE%93%E5%8D%8A%E5%B0%8E%E9%AB%94%E3%80%8C%E9%BB%9E%E4%BA%AE%E3%80%8D%E6%9C%AA%E4%BE%86\">V\u01b0\u1ee3t qua r\u00e0o c\u1ea3n v\u00f9ng c\u1ea5m: Gi\u00fap ch\u1ea5t b\u00e1n d\u1eabn &#8220;th\u1eafp s\u00e1ng&#8221; t\u01b0\u01a1ng lai<\/a><\/li><li class=\"\"><a href=\"#%E6%A5%B5%E7%AB%AF%E7%89%A9%E7%90%86%E7%9A%84%E7%85%89%E9%87%91%E8%A1%93%EF%BC%9A%E5%9C%A8%E8%90%AC%E5%80%8D%E5%A3%93%E5%8A%9B%E4%B8%8B%E9%87%8D%E5%A1%91%E5%8E%9F%E5%AD%90\">Thu\u1eadt gi\u1ea3 kim c\u1ee7a v\u1eadt l\u00fd c\u1ef1c \u0111oan: T\u00e1i t\u1ea1o nguy\u00ean t\u1eed d\u01b0\u1edbi \u00e1p su\u1ea5t g\u1ea5p m\u01b0\u1eddi ngh\u00ecn l\u1ea7n<\/a><\/li><li class=\"\"><a href=\"#%E7%B6%A0%E8%89%B2%E7%AE%97%E5%8A%9B%E7%9A%84%E9%BB%8E%E6%98%8E%EF%BC%9A%E6%95%B8%E6%93%9A%E4%B8%AD%E5%BF%83%E7%9A%84%E8%83%BD%E6%BA%90%E9%9D%A9%E5%91%BD\">B\u00ecnh Minh c\u1ee7a \u0110i\u1ec7n To\u00e1n Xanh: Cu\u1ed9c C\u00e1ch m\u1ea1ng N\u0103ng l\u01b0\u1ee3ng trong Trung t\u00e2m D\u1eef li\u1ec7u<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color wp-elements-72771ba85e9f5615d5722b257ca9e001\" id=\"&#x7A81;&#x7834;&#x80FD;&#x9699;&#x56F0;&#x5883;&#xFF1A;&#x8B93;&#x534A;&#x5C0E;&#x9AD4;&#x300C;&#x9EDE;&#x4EAE;&#x300D;&#x672A;&#x4F86;\">V\u01b0\u1ee3t qua r\u00e0o c\u1ea3n v\u00f9ng c\u1ea5m: Gi\u00fap ch\u1ea5t b\u00e1n d\u1eabn &#8220;th\u1eafp s\u00e1ng&#8221; t\u01b0\u01a1ng lai<\/h2>\n\n<p class=\"has-medium-font-size\">\u0110\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c t\u1ea7m quan tr\u1ecdng c\u1ee7a h\u1ee3p kim germani-thi\u1ebfc, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta ph\u1ea3i t\u00ecm hi\u1ec3u nh\u1eefng h\u1ea1n ch\u1ebf v\u1eadt l\u00fd c\u1ee7a silic. Silic l\u00e0 v\u1eadt li\u1ec7u c\u00f3 khe n\u0103ng l\u01b0\u1ee3ng gi\u00e1n ti\u1ebfp, ngh\u0129a l\u00e0 khi c\u00e1c electron chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c d\u1ea3i n\u0103ng l\u01b0\u1ee3ng, ph\u1ea7n l\u1edbn n\u0103ng l\u01b0\u1ee3ng b\u1ecb m\u1ea5t d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t ch\u1ee9 kh\u00f4ng ph\u1ea3i \u00e1nh s\u00e1ng. \u0110\u1eb7c t\u00ednh n\u00e0y ng\u0103n c\u1ea3n vi\u1ec7c s\u1eed d\u1ee5ng silic tr\u1ef1c ti\u1ebfp l\u00e0m ngu\u1ed3n s\u00e1ng laser ho\u1eb7c LED hi\u1ec7u su\u1ea5t cao. Trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u y\u00eau c\u1ea7u truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 c\u1ef1c cao, c\u00e1c k\u1ef9 s\u01b0 ph\u1ea3i t\u00edch h\u1ee3p m\u1ed9t c\u00e1ch t\u1ec9 m\u1ec9 c\u00e1c ch\u1ea5t b\u00e1n d\u1eabn nh\u00f3m III-V \u0111\u1eaft ti\u1ec1n, ch\u1eb3ng h\u1ea1n nh\u01b0 gali arsenua, l\u00ean c\u00e1c t\u1ea5m silicon. Vi\u1ec7c t\u00edch h\u1ee3p kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t n\u00e0y kh\u00f4ng ch\u1ec9 ph\u1ee9c t\u1ea1p v\u1ec1 quy tr\u00ecnh m\u00e0 s\u1ef1 kh\u00f4ng kh\u1edbp m\u1ea1ng tinh th\u1ec3 gi\u1eefa c\u00e1c v\u1eadt li\u1ec7u th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn n\u0103ng su\u1ea5t th\u1ea5p v\u00e0 chi ph\u00ed t\u0103ng cao.<\/p>\n\n<p class=\"has-medium-font-size\">Ng\u01b0\u1ee3c l\u1ea1i, h\u1ee3p kim germani-thi\u1ebfc \u0111\u01b0\u1ee3c coi l\u00e0 &#8220;ch\u00e9n th\u00e1nh&#8221; c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn. C\u1ea3 germani v\u00e0 thi\u1ebfc \u0111\u1ec1u thu\u1ed9c nh\u00f3m nguy\u00ean t\u1ed1 IV, c\u00f3 \u00e1i l\u1ef1c t\u1ef1 nhi\u00ean v\u1edbi silic v\u00e0 r\u1ea5t t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t b\u00e1n d\u1eabn hi\u1ec7n c\u00f3. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng b\u1eb1ng c\u00e1ch pha t\u1ea1p m\u1ea1ng tinh th\u1ec3 germani v\u1edbi m\u1ed9t t\u1ef7 l\u1ec7 thi\u1ebfc c\u1ee5 th\u1ec3, c\u1ea5u tr\u00fac d\u1ea3i n\u0103ng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i, chuy\u1ec3n \u0111\u1ed5i n\u00f3 t\u1eeb khe n\u0103ng l\u01b0\u1ee3ng gi\u00e1n ti\u1ebfp sang khe n\u0103ng l\u01b0\u1ee3ng tr\u1ef1c ti\u1ebfp. S\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y mang t\u00ednh c\u00e1ch m\u1ea1ng, cho ph\u00e9p ch\u1ea5t b\u00e1n d\u1eabn h\u1ea5p th\u1ee5 v\u00e0 ph\u00e1t ra \u00e1nh s\u00e1ng hi\u1ec7u qu\u1ea3 nh\u01b0 s\u1ee3i quang. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 t\u00ednh to\u00e1n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb quang \u0111i\u1ec7n t\u1eed m\u00e0 c\u00f2n cho ph\u00e9p truy\u1ec1n th\u00f4ng quang h\u1ecdc tr\u00ean m\u1ed9t chip duy nh\u1ea5t, n\u00e2ng c\u1ea5p t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u t\u1eeb chuy\u1ec3n \u0111\u1ed9ng ch\u1eadm c\u1ee7a electron l\u00ean t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng.<\/p>\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color wp-elements-f6b9b6ef2786f7c636635bea5f11b758\" id=\"&#x6975;&#x7AEF;&#x7269;&#x7406;&#x7684;&#x7149;&#x91D1;&#x8853;&#xFF1A;&#x5728;&#x842C;&#x500D;&#x58D3;&#x529B;&#x4E0B;&#x91CD;&#x5851;&#x539F;&#x5B50;\">Thu\u1eadt gi\u1ea3 kim c\u1ee7a v\u1eadt l\u00fd c\u1ef1c \u0111oan: T\u00e1i t\u1ea1o nguy\u00ean t\u1eed d\u01b0\u1edbi \u00e1p su\u1ea5t g\u1ea5p m\u01b0\u1eddi ngh\u00ecn l\u1ea7n<\/h2>\n\n<p class=\"has-medium-font-size\">M\u1eb7c d\u00f9 h\u1ee3p kim germani-thi\u1ebfc c\u00f3 ti\u1ec1m n\u0103ng l\u00fd thuy\u1ebft v\u00f4 c\u00f9ng l\u1edbn, vi\u1ec7c ch\u1ebf t\u1ea1o ch\u00fang tr\u00ean th\u1ef1c t\u1ebf v\u1eabn l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c k\u00e9o d\u00e0i h\u00e0ng th\u1eadp k\u1ef7. Trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc b\u00ecnh th\u01b0\u1eddng, thi\u1ebfc c\u00f3 \u0111\u1ed9 h\u00f2a tan r\u1eafn c\u1ef1c th\u1ea5p trong germani, ngh\u0129a l\u00e0 hai nguy\u00ean t\u1ed1 n\u00e0y kh\u00f3 tr\u1ed9n l\u1eabn v\u1edbi nhau nh\u01b0 d\u1ea7u v\u00e0 n\u01b0\u1edbc. Khi h\u00e0m l\u01b0\u1ee3ng thi\u1ebfc v\u01b0\u1ee3t qu\u00e1 m\u1ed9t t\u1ef7 l\u1ec7 nh\u1ea5t \u0111\u1ecbnh, c\u00e1c nguy\u00ean t\u1eed c\u00f3 xu h\u01b0\u1edbng t\u00e1ch r\u1eddi v\u00e0 k\u1ebft t\u1ee7a, d\u1eabn \u0111\u1ebfn s\u1ef1 h\u1ecfng h\u00f3c c\u1ee7a v\u1eadt li\u1ec7u. C\u00e1c nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00e2y \u0111\u00e3 th\u1eed nghi\u1ec7m nhi\u1ec1u k\u1ef9 thu\u1eadt t\u1ea1o m\u00e0ng m\u1ecfng kh\u00e1c nhau, nh\u01b0ng th\u01b0\u1eddng kh\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng trong kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn ho\u1eb7c c\u1ea5u tr\u00fac \u1ed5n \u0111\u1ecbnh, ch\u1ee9 ch\u01b0a n\u00f3i \u0111\u1ebfn vi\u1ec7c duy tr\u00ec \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i c\u1ee7a v\u1eadt li\u1ec7u \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/p>\n\n<p class=\"has-medium-font-size\">M\u1ed9t nh\u00f3m nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Edinburgh \u0111\u00e3 \u00e1p d\u1ee5ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t, s\u1eed d\u1ee5ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1eadt l\u00fd kh\u1eafc nghi\u1ec7t \u0111\u1ec3 bu\u1ed9c c\u00e1c nguy\u00ean t\u1eed &#8220;s\u1eafp x\u1ebfp l\u1ea1i&#8221;. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 nung n\u00f3ng h\u1ed7n h\u1ee3p germani v\u00e0 thi\u1ebfc \u0111\u1ebfn h\u01a1n 1200 \u0111\u1ed9 C v\u00e0 \u00e1p d\u1ee5ng \u00e1p su\u1ea5t c\u1ef1c cao l\u00ean \u0111\u1ebfn 10 GPa. M\u00f4i tr\u01b0\u1eddng \u00e1p su\u1ea5t n\u00e0y x\u1ea5p x\u1ec9 100 l\u1ea7n \u00e1p su\u1ea5t c\u1ee7a r\u00e3nh Mariana, \u0111i\u1ec3m c\u00f3 \u00e1p su\u1ea5t cao nh\u1ea5t tr\u00ean Tr\u00e1i \u0111\u1ea5t. D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng c\u1ef1c l\u1edbn n\u00e0y, chuy\u1ec3n \u0111\u1ed9ng nhi\u1ec7t v\u00e0 \u00e1p su\u1ea5t cao c\u1ee7a c\u00e1c nguy\u00ean t\u1eed \u0111\u00e3 bu\u1ed9c germani v\u00e0 thi\u1ebfc ph\u1ea3i ph\u00e1 v\u1ee1 c\u00e1c r\u00e0ng bu\u1ed9c nhi\u1ec7t \u0111\u1ed9ng ban \u0111\u1ea7u c\u1ee7a ch\u00fang, t\u1ea1o th\u00e0nh m\u1ed9t c\u1ea5u tr\u00fac tinh th\u1ec3 ho\u00e0n to\u00e0n m\u1edbi.<\/p>\n\n<p class=\"has-medium-font-size\">\u0110i\u1ec1u th\u00fa v\u1ecb l\u00e0, ch\u1ea5t b\u00e1n d\u1eabn m\u1edbi n\u00e0y, \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, duy tr\u00ec \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u0111\u00e1ng k\u1ec3 khi tr\u1edf l\u1ea1i nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng v\u00e0 \u00e1p su\u1ea5t b\u00ecnh th\u01b0\u1eddng. Ph\u00e1t hi\u1ec7n n\u00e0y ho\u00e0n to\u00e0n b\u00e1c b\u1ecf quan ni\u1ec7m tr\u01b0\u1edbc \u0111\u00e2y cho r\u1eb1ng h\u1ee3p kim germanium-thi\u1ebfc r\u1ea5t kh\u00f3 s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t. Ti\u1ebfn s\u0129 George Sergiu ch\u1ec9 ra r\u1eb1ng &#8220;ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn c\u1ed9ng h\u01b0\u1edfng&#8221; n\u00e0y kh\u00f4ng ch\u1ec9 t\u1ea1o ra c\u00e1c v\u1eadt li\u1ec7u m\u1edbi m\u00e0 c\u00f2n \u0111\u1ecbnh ngh\u0129a m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u1edbi \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn t\u00e1i ch\u1ebf v\u1eadt li\u1ec7u v\u00e0 c\u1ea5u tr\u00fac tinh th\u1ec3, \u0111\u1eb7t n\u1ec1n t\u1ea3ng c\u00f4ng ngh\u1ec7 cho s\u1ef1 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai c\u1ee7a c\u00e1c h\u1ee3p kim hi\u1ec7u su\u1ea5t cao h\u01a1n.<\/p>\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color wp-elements-5e4c61ceff9f31ac1fab5f13b0f58c03\" id=\"&#x7DA0;&#x8272;&#x7B97;&#x529B;&#x7684;&#x9ECE;&#x660E;&#xFF1A;&#x6578;&#x64DA;&#x4E2D;&#x5FC3;&#x7684;&#x80FD;&#x6E90;&#x9769;&#x547D;\">B\u00ecnh Minh c\u1ee7a \u0110i\u1ec7n To\u00e1n Xanh: Cu\u1ed9c C\u00e1ch m\u1ea1ng N\u0103ng l\u01b0\u1ee3ng trong Trung t\u00e2m D\u1eef li\u1ec7u<\/h2>\n\n<p class=\"has-medium-font-size\">B\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 c\u00f4ng ngh\u1ec7 n\u00e0y gi\u1ea3i quy\u1ebft tr\u1ef1c ti\u1ebfp m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u1ea5p b\u00e1ch nh\u1ea5t trong ng\u00e0nh c\u00f4ng ngh\u1ec7 hi\u1ec7n nay: nhu c\u1ea7u n\u0103ng l\u01b0\u1ee3ng v\u00e0 qu\u1ea3n l\u00fd nhi\u1ec7t. V\u1edbi s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) v\u00e0 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u tr\u00ean to\u00e0n th\u1ebf gi\u1edbi ti\u00eau th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng \u0111\u00e1ng k\u1ec3. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n d\u1eabn \u0111i\u1ec7n t\u1eed truy\u1ec1n th\u1ed1ng t\u1ea1o ra l\u01b0\u1ee3ng nhi\u1ec7t Joule kh\u1ed5ng l\u1ed3 \u1edf t\u1ed1c \u0111\u1ed9 cao, g\u00e2y l\u00e3ng ph\u00ed n\u0103ng l\u01b0\u1ee3ng v\u00e0 h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng x\u1ebfp ch\u1ed3ng chip c\u0169ng nh\u01b0 s\u1ee9c m\u1ea1nh t\u00ednh to\u00e1n. Vi\u1ec7c thay th\u1ebf m\u1ed9t s\u1ed1 t\u00edn hi\u1ec7u \u0111i\u1ec7n trong chip b\u1eb1ng t\u00edn hi\u1ec7u quang h\u1ecdc c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eabn \u0111\u1ed9 tr\u1ec5 g\u1ea7n b\u1eb1ng kh\u00f4ng v\u00e0 gi\u1ea3m \u0111\u00e1ng k\u1ec3 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng.<\/p>\n\n<p class=\"has-medium-font-size\">Vi\u1ec7c ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng h\u1ee3p kim germanium-thi\u1ebfc \u0111\u00e3 cung c\u1ea5p m\u1ea3nh gh\u00e9p cu\u1ed1i c\u00f9ng cho b\u1ee9c tranh &#8220;c\u00e1c ch\u1ea5t b\u00e1n d\u1eabn quang h\u1ecdc m\u1edbi&#8221;. Trong t\u01b0\u01a1ng lai, ch\u00fang ta c\u00f3 th\u1ec3 k\u1ef3 v\u1ecdng thu \u0111\u01b0\u1ee3c c\u1ea3 b\u1ed9 x\u1eed l\u00fd m\u1ea1ch hi\u1ec7u qu\u1ea3 cao v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i quang \u0111i\u1ec7n germanium-thi\u1ebfc nguy\u00ean ch\u1ea5t. Ki\u1ebfn tr\u00fac t\u00edch h\u1ee3p cao n\u00e0y s\u1ebd thay \u0111\u1ed5i c\u0103n b\u1ea3n logic thi\u1ebft k\u1ebf c\u1ee7a b\u1ed9 x\u1eed l\u00fd m\u00e1y t\u00ednh, thi\u1ebft b\u1ecb h\u00ecnh \u1ea3nh y t\u1ebf v\u00e0 c\u1ea3m bi\u1ebfn. N\u00f3 kh\u00f4ng ch\u1ec9 cho ph\u00e9p \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh ho\u1ea1t \u0111\u1ed9ng nhanh h\u01a1n nhi\u1ec1u l\u1ea7n m\u00e0 c\u00f2n cho ph\u00e9p h\u00e0ng ch\u1ee5c ngh\u00ecn m\u00e1y ch\u1ee7 ho\u1ea1t \u0111\u1ed9ng v\u1edbi l\u01b0\u1ee3ng kh\u00ed th\u1ea3i carbon th\u1ea5p h\u01a1n, t\u00ecm ra s\u1ef1 c\u00e2n b\u1eb1ng m\u1edbi gi\u1eefa ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng v\u00e0 ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7.<\/p>\n\n<p class=\"has-medium-font-size\">T\u1eeb nh\u1eefng \u00e1p l\u1ef1c c\u1ef1c l\u1edbn trong ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i trong t\u01b0\u01a1ng lai, s\u1ef1 tr\u1ed7i d\u1eady c\u1ee7a h\u1ee3p kim germanium-thi\u1ebfc t\u01b0\u1ee3ng tr\u01b0ng cho m\u1ed9t k\u1ef7 nguy\u00ean m\u1edbi c\u1ee7a s\u1ef1 \u0111a d\u1ea1ng h\u01a1n v\u00e0 s\u1ef1 h\u1ee3p t\u00e1c li\u00ean ng\u00e0nh trong khoa h\u1ecdc v\u1eadt li\u1ec7u b\u00e1n d\u1eabn. M\u1eb7c d\u00f9 v\u1eabn c\u00f2n m\u1ed9t ch\u1eb7ng \u0111\u01b0\u1eddng d\u00e0i t\u1eeb k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u1ebfn s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, nghi\u00ean c\u1ee9u n\u00e0y ch\u1eafc ch\u1eafn ch\u1ee9ng minh r\u1eb1ng khi nh\u00e2n lo\u1ea1i h\u1ecdc \u0111\u01b0\u1ee3c c\u00e1ch \u0111i\u1ec1u khi\u1ec3n s\u1ef1 s\u1eafp x\u1ebfp c\u1ee7a c\u00e1c nguy\u00ean t\u1eed, ngay c\u1ea3 d\u01b0\u1edbi \u00e1p l\u1ef1c c\u1ee7a nh\u1eefng r\u00e3nh \u0111\u1ea1i d\u01b0\u01a1ng s\u00e2u nh\u1ea5t, h\u1ecd c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 ra nh\u1eefng tia s\u00e1ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i th\u1ebf gi\u1edbi.<\/p>\n\n<p>Ngu\u1ed3n:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Nh\u1eb1m \u0111\u1ecbnh h\u00ecnh l\u1ea1i l\u0129nh v\u1ef1c quang \u0111i\u1ec7n t\u1eed, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u b\u00e1n d\u1eabn m\u1edbi, h\u1ee3p kim germanium-thi\u1ebfc, \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t ph\u00f2ng.<\/li>\n\n\n\n<li>George Serghiou et al, High Pressure and Compositionally Directed Route to a Hexagonal GeSn Alloy Class, Journal of the American Chemical Society (2025). DOI: 10.1021\/jacs.5c11716 <\/li>\n\n\n\n<li>GeSn alloys emerge as a new semiconductor class that could reshape optoelectronics<\/li>\n<\/ul>\n\n<p>\u9996\u5716\u4f86\u6e90:AI\u751f\u6210<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n<p>V\u1ec1 m\u00e0i m\u00f2n: Ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c \u0111i\u1ec1u ch\u1ec9nh t\u00f9y ch\u1ec9nh \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1ef7 l\u1ec7 theo nhu c\u1ea7u gia c\u00f4ng, nh\u1eb1m \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a.<\/p>\n\n<p>N\u1ebfu b\u1ea1n v\u1eabn ch\u01b0a bi\u1ebft c\u00e1ch ch\u1ecdn s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p sau khi \u0111\u1ecdc n\u1ed9i dung, h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i, s\u1ebd c\u00f3 chuy\u00ean gia h\u1ed7 tr\u1ee3 gi\u1ea3i \u0111\u00e1p cho b\u1ea1n.<\/p>\n\n<p style=\"line-height:0.8\">H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i, s\u1ebd c\u00f3 chuy\u00ean gia h\u1ed7 tr\u1ee3 gi\u1ea3i \u0111\u00e1p cho b\u1ea1n.<\/p>\n\n<p style=\"line-height:0.8\">N\u1ebfu c\u1ea7n b\u00e1o gi\u00e1 t\u00f9y ch\u1ec9nh, h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i.<\/p>\n\n<p style=\"line-height:0.8\">Th\u1eddi gian h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng: Th\u1ee9 Hai \u0111\u1ebfn Th\u1ee9 S\u00e1u, t\u1eeb 09:00 \u0111\u1ebfn 18:00.<\/p>\n\n<p style=\"line-height:0.8\">phone\uff1a<a href=\"https:\/\/www.google.com\/search?q=%E5%AE%8F%E5%B4%B4&amp;oq=%E5%AE%8F%E5%B4%B4&amp;gs_lcrp=EgZjaHJvbWUqBggAEEUYOzIGCAAQRRg7MhAIARAuGK8BGMcBGIAEGI4FMgYIAhBFGDsyBwgDEAAYgAQyBggEEEUYPTIGCAUQRRg9MgYIBhBFGD0yBggHEEUYQdIBCDE5MDhqMGo3qAIIsAIB&amp;sourceid=chrome&amp;ie=UTF-8\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">07 223 1058<\/a><\/p>\n\n<p style=\"line-height:0.8\">N\u1ebfu c\u00f3 ch\u1ee7 \u0111\u1ec1 mu\u1ed1n t\u00ecm hi\u1ec3u ho\u1eb7c kh\u00f4ng th\u1ec3 n\u00f3i r\u00f5 qua \u0111i\u1ec7n tho\u1ea1i, h\u00e3y nh\u1eafn tin tr\u1ef1c ti\u1ebfp qua Facebook nh\u00e9~~<\/p>\n\n<p style=\"line-height:0.8\">honway fb\uff1a<a href=\"https:\/\/lihi.cc\/LhR8c\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/www.facebook.com\/honwaygroup<\/a><\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-ast-global-color-0-background-color has-background wp-element-button\" href=\"https:\/\/honwaygroup.com\/%e5%8e%9f%e7%89%a9%e6%96%99-2\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ch\u00fang t\u00f4i l\u00e0 Honway, ki\u1ec3m so\u00e1t nguy\u00ean li\u1ec7u c\u1ee7a m\u00ecnh t\u1eeb ngu\u1ed3n g\u1ed1c, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u00e0 cung c\u1ea5p c\u00e1c l\u1ef1a ch\u1ecdn t\u00f9y ch\u1ec9nh cho b\u1ea1n.<\/a><\/div>\n<\/div>\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p>C\u00e1c b\u00e0i vi\u1ebft m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 quan t\u00e2m&#8230;<\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\"><p>[wpb-random-posts]<\/p>\n<\/div>\n<\/div>\n\n<p class=\"has-medium-font-size\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong l\u1ecbch s\u1eed ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn, silicon lu\u00f4n l\u00e0 v\u1ecb vua kh\u00f4ng th\u1ec3 tranh c\u00e3i. T\u1eeb gi\u1eefa th\u1ebf k\u1ef7 20 \u0111\u1ebfn nay, nh\u1eefng ti\u1ebfn b\u1ed9 trong vi x\u1eed l\u00fd h\u1ea7u nh\u01b0 ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean vi\u1ec7c kh\u1eafc c\u00e1c b\u00f3ng b\u00e1n d\u1eabn nh\u1ecf h\u01a1n l\u00ean c\u00e1c t\u1ea5m silicon. Tuy nhi\u00ean, khi c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t ti\u1ebfn g\u1ea7n \u0111\u1ebfn gi\u1edbi h\u1ea1n v\u1eadt l\u00fd c\u1ee7a ch\u00fang, &#8220;\u0110\u1ecbnh lu\u1eadt Mohr&#8221; truy\u1ec1n th\u1ed1ng \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c ch\u01b0a t\u1eebng c\u00f3. M\u1eb7c d\u00f9 silicon v\u01b0\u1ee3t tr\u1ed9i trong d\u1eabn \u0111i\u1ec7n t\u1eed, nh\u01b0ng nh\u1eefng h\u1ea1n ch\u1ebf v\u1ed1n c\u00f3 c\u1ee7a n\u00f3 v\u1ec1 hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i quang \u0111i\u1ec7n khi\u1ebfn n\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u00edch h\u1ee3p truy\u1ec1n th\u00f4ng quang t\u1ed1c \u0111\u1ed9 cao v\u1edbi \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao. &#8220;B\u1ee9c t\u01b0\u1eddng silicon&#8221; kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t qua n\u00e0y \u0111\u00e3 khi\u1ebfn c\u00e1c nh\u00e0 khoa h\u1ecdc tr\u00ean to\u00e0n th\u1ebf gi\u1edbi t\u00ecm ki\u1ebfm c\u00e1c v\u1eadt li\u1ec7u m\u1edbi t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c quy tr\u00ecnh hi\u1ec7n c\u00f3 nh\u01b0ng s\u1edf h\u1eefu c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u01b0\u1ee3t tr\u1ed9i.<br \/>G\u1ea7n \u0111\u00e2y, m\u1ed9t nh\u00f3m nghi\u00ean c\u1ee9u \u0111a qu\u1ed1c gia do \u0110\u1ea1i h\u1ecdc Edinburgh d\u1eabn \u0111\u1ea7u, h\u1ee3p t\u00e1c v\u1edbi c\u00e1c vi\u1ec7n nghi\u00ean c\u1ee9u h\u00e0ng \u0111\u1ea7u \u1edf \u0110\u1ee9c, Ph\u00e1p v\u00e0 c\u00e1c qu\u1ed1c gia kh\u00e1c, \u0111\u00e3 c\u00f4ng b\u1ed1 m\u1ed9t th\u00e0nh t\u1ef1u \u0111\u1ed9t ph\u00e1 tr\u00ean *T\u1ea1p ch\u00ed c\u1ee7a Hi\u1ec7p h\u1ed9i H\u00f3a h\u1ecdc Hoa K\u1ef3* (JACS). H\u1ecd \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng m\u1ed9t h\u1ee3p kim germanium-thi\u1ebfc (GeSn) m\u1edbi, m\u1ed9t v\u1eadt li\u1ec7u tr\u01b0\u1edbc \u0111\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng th\u1ec3 s\u1ea3n xu\u1ea5t \u1ed5n \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng. B\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t th\u1eafng l\u1ee3i cho khoa h\u1ecdc v\u1eadt li\u1ec7u, m\u00e0 c\u00f2n b\u00e1o hi\u1ec7u s\u1ef1 ra \u0111\u1eddi c\u1ee7a m\u1ed9t k\u1ef7 nguy\u00ean b\u00e1n d\u1eabn m\u1edbi v\u1edbi &#8220;\u00e1nh s\u00e1ng&#8221; l\u00e0 c\u1ed1t l\u00f5i c\u1ee7a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u, \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c n\u00fat th\u1eaft ng\u00e0y c\u00e0ng nghi\u00eam tr\u1ecdng v\u1ec1 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i.<\/p>\n","protected":false},"author":1,"featured_media":139821,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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