{"id":28457,"date":"2019-01-05T16:55:00","date_gmt":"2019-01-05T09:55:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28457"},"modified":"2021-10-03T16:57:50","modified_gmt":"2021-10-03T09:57:50","slug":"thiet-bi-nho-tang-toc-bo-nho-va-tiet-kiem-nang-luong","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/thiet-bi-nho-tang-toc-bo-nho-va-tiet-kiem-nang-luong\/","title":{"rendered":"Thi\u1ebft b\u1ecb nh\u1ecf t\u0103ng t\u1ed1c b\u1ed9 nh\u1edb v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng"},"content":{"rendered":"\n<p>Trong b\u1ed1i c\u1ea3nh ng\u00e0y c\u00e0ng nhi\u1ec1u \u0111\u1ed3 v\u1eadt th\u00f4ng minh \u0111\u01b0\u1ee3c t\u1ea1o ra, t\u1eeb \u0111\u1ed3ng h\u1ed3 \u0111\u1ebfn to\u00e0n b\u1ed9 t\u00f2a nh\u00e0, th\u00ec nhu c\u1ea7u v\u1ec1 c\u00e1c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 m\u1ed9t c\u00e1ch nhanh ch\u00f3ng m\u00e0 kh\u00f4ng ti\u00eau t\u1ed1n qu\u00e1 nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng l\u1ea1i c\u00e0ng l\u1edbn.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vista.gov.vn\/vn-uploads\/news\/2019_1\/4-1\/4.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>H\u00e0ng tri\u1ec7u \u00f4 nh\u1edb m\u1edbi c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a chip m\u00e1y t\u00ednh, cung c\u1ea5p t\u1ed1c \u0111\u1ed9 ghi nh\u1edb \u0111\u00f3 v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, nh\u1edd v\u00e0o vi\u1ec7c ph\u00e1t hi\u1ec7n ra ch\u1ee9c n\u0103ng ch\u01b0a \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n tr\u01b0\u1edbc \u0111\u00e2y trong m\u1ed9t v\u1eadt li\u1ec7u c\u00f3 t\u00ean l\u00e0 molybdenum ditelluride.<\/p>\n\n\n\n<p>V\u1eadt li\u1ec7u hai chi\u1ec1u x\u1ebfp th\u00e0nh nhi\u1ec1u l\u1edbp \u0111\u1ec3 t\u1ea1o n\u00ean m\u1ed9t \u00f4 nh\u1edb. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Purdue \u0111\u00e3 h\u1ee3p t\u00e1c v\u1edbi Vi\u1ec7n Ti\u00eau chu\u1ea9n v\u00e0 C\u00f4ng ngh\u1ec7 qu\u1ed1c gia (NIST) v\u00e0 C\u00f4ng ty Nghi\u00ean c\u1ee9u Theiss \u0111\u1ec3 thi\u1ebft k\u1ebf thi\u1ebft b\u1ecb n\u00e0y. Nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed tr\u1ef1c tuy\u1ebfn&nbsp;<em>Nature Materials<\/em>.<\/p>\n\n\n\n<p>C\u00e1c c\u00f4ng ty s\u1ea3n xu\u1ea5t chip t\u1eeb l\u00e2u \u0111\u00e3 t\u00ecm ki\u1ebfm c\u00e1c c\u00f4ng ngh\u1ec7 b\u1ed9 nh\u1edb t\u1ed1t h\u01a1n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a m\u1ed9t m\u1ea1ng l\u01b0\u1edbi c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh \u0111ang ph\u00e1t tri\u1ec3n. M\u1ed9t trong nh\u1eefng kh\u1ea3 n\u0103ng ti\u1ebfp theo l\u00e0 b\u1ed9 nh\u1edb truy c\u1eadp ng\u1eabu nhi\u00ean hay RRAM.<\/p>\n\n\n\n<p>Trong RRAM, d\u00f2ng \u0111i\u1ec7n th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u1eabn qua \u00f4 nh\u1edb \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb nhi\u1ec1u v\u1eadt li\u1ec7u x\u1ebfp ch\u1ed3ng l\u00ean nhau, l\u00e0m thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf ghi l\u1ea1i d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng 0 v\u00e0 1 trong b\u1ed9 nh\u1edb. Chu\u1ed7i 0 v\u00e0 1 trong c\u00e1c \u00f4 nh\u1edb x\u00e1c \u0111\u1ecbnh nh\u1eefng m\u1ea9u th\u00f4ng tin m\u00e0 m\u00e1y t\u00ednh \u0111\u1ecdc \u0111\u1ec3 th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c l\u01b0u th\u00eam m\u1ed9t l\u1ea7n n\u1eefa v\u00e0o b\u1ed9 nh\u1edb.<\/p>\n\n\n\n<p>M\u1ed9t v\u1eadt li\u1ec7u s\u1ebd c\u1ea7n \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u \u00edt nh\u1ea5t h\u00e0ng ngh\u00ecn t\u1ef7 l\u1ea7n, nh\u01b0ng c\u00e1c v\u1eadt li\u1ec7u hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u01b0a th\u1ef1c s\u1ef1 \u0111\u00e1ng tin c\u1eady. Ngo\u00e0i ra, RRAM ch\u01b0a s\u1eb5n c\u00f3 \u0111\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean chip m\u00e1y t\u00ednh. Molybdenum ditelluride c\u00f3 kh\u1ea3 n\u0103ng t\u1ed3n t\u1ea1i qua t\u1ea5t c\u1ea3 c\u00e1c chu k\u1ef3 \u0111\u00f3.<\/p>\n\n\n\n<p>Molybdenum ditelluride cho ph\u00e9p h\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed5i nhanh h\u01a1n gi\u1eefa tr\u1ea1ng th\u00e1i 0 v\u00e0 1, c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t th\u00f4ng tin. Nguy\u00ean nh\u00e2n l\u00e0 do khi \u0111i\u1ec7n tr\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong \u00f4 nh\u1edb, c\u00e1c nguy\u00ean t\u1eed d\u1ecbch chuy\u1ec3n kho\u1ea3ng c\u00e1ch r\u1ea5t nh\u1ecf, d\u1eabn \u0111\u1ebfn tr\u1ea1ng th\u00e1i \u0111i\u1ec7n tr\u1edf cao \u0111\u01b0\u1ee3c ghi l\u00e0 0 ho\u1eb7c tr\u1ea1ng th\u00e1i \u0111i\u1ec7n tr\u1edf th\u1ea5p \u0111\u01b0\u1ee3c ghi l\u00e0 1, di\u1ec5n ra nhanh h\u01a1n nhi\u1ec1u qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i trong c\u00e1c thi\u1ebft b\u1ecb RRAM th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n<p>&#8220;<em>Do c\u1ea7n \u00edt n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 c\u00e1c tr\u1ea1ng th\u00e1i \u0111i\u1ec7n tr\u1edf n\u00e0y thay \u0111\u1ed5i, n\u00ean pin c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i l\u00e2u h\u01a1n<\/em>&#8220;, Joerg Appenzeller, \u0111\u1ed3ng t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u n\u00f3i.<\/p>\n\n\n\n<p>Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 xin c\u1ea5p s\u00e1ng ch\u1ebf cho c\u00f4ng ngh\u1ec7 m\u1edbi.<\/p>\n\n\n\n<p><em>\u0110.T.V (NASATI), theo&nbsp;<a href=\"https:\/\/phys.org\/news\/2018-12-battery-tiny-device-memory-power.html#jCp\">https:\/\/phys.org\/news\/2018-12-battery-tiny-device-memory-power.html#jCp<\/a>, 12\/2018<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh ng\u00e0y c\u00e0ng nhi\u1ec1u \u0111\u1ed3 v\u1eadt th\u00f4ng minh \u0111\u01b0\u1ee3c t\u1ea1o ra, t\u1eeb \u0111\u1ed3ng h\u1ed3 \u0111\u1ebfn to\u00e0n b\u1ed9 t\u00f2a nh\u00e0, th\u00ec nhu c\u1ea7u v\u1ec1 c\u00e1c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 m\u1ed9t c\u00e1ch nhanh ch\u00f3ng m\u00e0 kh\u00f4ng ti\u00eau t\u1ed1n qu\u00e1 nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng l\u1ea1i c\u00e0ng l\u1edbn. H\u00e0ng [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28457","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28457"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28457\/revisions"}],"predecessor-version":[{"id":28459,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28457\/revisions\/28459"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}