{"id":27562,"date":"2020-04-26T16:27:00","date_gmt":"2020-04-26T09:27:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=27562"},"modified":"2021-11-09T10:19:24","modified_gmt":"2021-11-09T03:19:24","slug":"ram-tu-tinh-duoc-phat-trien-giup-luu-tru-du-lieu-duoc-nhieu-va-tinh-toan-nhanh-hon","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/ram-tu-tinh-duoc-phat-trien-giup-luu-tru-du-lieu-duoc-nhieu-va-tinh-toan-nhanh-hon\/","title":{"rendered":"RAM T\u1eea T\u00cdNH \u0110\u01af\u1ee2C PH\u00c1T TRI\u1ec2N GI\u00daP L\u01afU TR\u1eee D\u1eee LI\u1ec6U \u0110\u01af\u1ee2C NHI\u1ec0U V\u00c0 T\u00cdNH TO\u00c1N NHANH H\u01a0N"},"content":{"rendered":"\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i Vi\u1ec7n C\u00f4ng ngh\u1ec7 \u1ea4n \u0110\u1ed9 (IIT), Mandi, v\u1eeba m\u1edbi ph\u00e1t tri\u1ec3n B\u1ed9 nh\u1edb l\u01b0u tr\u1eef t\u1ea1m th\u1eddi c\u1ee7a thi\u1ebft b\u1ecb (RAM) nhanh, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef nhi\u1ec1u th\u00f4ng tin trong m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf so v\u1edbi d\u1eef c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef d\u1eef li\u1ec7u hi\u1ec7n c\u00f3.<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang trong qu\u00e1 tr\u00ecnh c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf c\u00f4ng ngh\u1ec7, h\u1ecd n\u00f3i r\u1eb1ng S\u1ef1 truy\u1ec1n m\u00f4men spin (STT) d\u1ef1a v\u00e0o c\u00e1c thi\u1ebft b\u1ecb nano spintronic s\u1ebd ch\u1ea5m d\u1ee9t t\u00ecnh tr\u1ea1ng m\u1ea5t d\u1eef li\u1ec7u m\u00e1y t\u00ednh do gi\u00e1n \u0111o\u1ea1n cung c\u1ea5p \u0111i\u1ec7n v\u00e0 do \u0111\u00f3 s\u1ebd c\u00f3 kh\u1ea3 n\u0103ng bi\u1ebfn \u0111\u1ed5i th\u1ebf h\u1ec7 sau c\u1ee7a m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c.<\/p>\n\n\n\n

Spin-transfer torque (STT):<\/em> l\u00e0 S\u1ef1 truy\u1ec1n m\u00f4men spin l\u00e0 m\u1ed9t hi\u1ec7u \u1ee9ng v\u1eadt l\u00fd<\/a> m\u00f4 t\u1ea3 s\u1ef1 truy\u1ec1n m\u00f4men \u0111\u1ed9ng l\u01b0\u1ee3ng<\/a> spin<\/a> c\u1ee7a m\u1ed9t \u0111i\u1ec7n t\u1eed<\/a> cho m\u1ed9t m\u00f4men t\u1eeb<\/a> m\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh l\u00e0 m\u00f4men t\u1eeb<\/a> b\u1ecb quay \u0111i theo chi\u1ec1u c\u1ee7a m\u00f4nen xung l\u01b0\u1ee3ng spin \u0111\u00f3. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng hi\u1ec7u \u1ee9ng n\u1ec1n t\u1ea3ng c\u1ee7a c\u00f4ng ngh\u1ec7 spintronics<\/a> v\u00e0 t\u1eeb h\u1ecdc<\/a> m\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 l\u00e0 vi\u1ec7c \u0111i\u1ec1u khi\u1ec3n m\u00f4men t\u1eeb b\u1eb1ng d\u00f2ng \u0111i\u1ec7n t\u1eed ph\u00e2n c\u1ef1c spin.<\/p>\n\n\n\n

D\u1eef li\u1ec7u c\u1ee7a RAM t\u1eeb t\u00ednh \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng spin c\u1ee7a electron, h\u1ee9a h\u1eb9n kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef t\u1ed1t h\u01a1n so v\u1edbi RAM d\u1ef1a tr\u00ean \u0111i\u1ec7n t\u00edch th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb d\u00f9ng c\u00f4ng ngh\u1ec7 spintronic s\u1eed d\u1ee5ng spin c\u1ee7a c\u00e1c electron \u0111\u1ec3 truy\u1ec1n v\u00e0 x\u1eed l\u00fd th\u00f4ng tin, kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi \u0111i\u1ec7n t\u00edch. Vi\u1ec7c khai th\u00e1c spin c\u1ee7a c\u00e1c electron \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i t\u1eeb t\u00ednh d\u1eabn \u0111\u1ebfn S\u1ef1 truy\u1ec1n m\u00f4men spin-B\u1ed9 nh\u1edb truy nh\u1eadp ng\u1eabu nhi\u00ean t\u1eeb \u0111i\u1ec7n tr\u1edf (STT-MRAM).<\/p>\n\n\n\n

Magnetic Random Access Memory (STT-MRAM):<\/em>  l\u00e0 b\u1ed9 nh\u1edb truy nh\u1eadp ng\u1eabu nhi\u00ean t\u1eeb \u0111i\u1ec7n tr\u1edf, hay b\u1ed9 nh\u1edb RAM t\u1eeb \u0111i\u1ec7n tr\u1edf l\u00e0 m\u1ed9t lo\u1ea1i b\u1ed9 nh\u1edb kh\u00f4ng t\u1ef1 x\u00f3a c\u00f3 nguy\u00ean l\u00fd l\u01b0u tr\u1eef d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng t\u1eeb \u0111i\u1ec7n tr\u1edf kh\u1ed5ng l\u1ed3<\/a> (ch\u00ednh x\u00e1c h\u01a1n l\u00e0 hi\u1ec7u \u1ee9ng t\u1eeb \u0111i\u1ec7n tr\u1edf chui h\u1ea7m<\/a>).<\/p>\n\n\n\n

Satinder K Sharma, Ph\u00f3 gi\u00e1o s\u01b0 t\u1ea1i Tr\u01b0\u1eddng IIT Mandi’s School of Computing and Electrical Engineering, cho bi\u1ebft: \u201cC\u00e1c gi\u1ea3i ph\u00e1p b\u1ed9 nh\u1edb ph\u1ed5 qu\u00e1t ph\u1ea3i c\u00f3 m\u1eadt \u0111\u1ed9 l\u01b0u tr\u1eef cao, kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ef1c nhanh v\u00e0 kh\u00f4ng bi\u1ebfn \u0111\u1ed9ng, ngh\u0129a l\u00e0 c\u00f3 th\u1ec3 gi\u1eef l\u1ea1i d\u1eef li\u1ec7u ngay c\u1ea3 khi kh\u00f4ng c\u00f3 ngu\u1ed3n \u0111i\u1ec7n. Nhu c\u1ea7u n\u00e0y \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p trong th\u1eddi hi\u1ec7n \u0111\u1ea1i v\u00ec s\u1ef1 phong ph\u00fa c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb k\u1ef9 thu\u1eadt s\u1ed1 d\u1ef1 ki\u1ebfn s\u1ebd t\u1ea1o ra kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u1ea7n 1 ngh\u00ecn t\u1ef7 \u1ed5 c\u1ee9ng m\u1ed7i l\u00fac v\u00e0o n\u0103m 2024. RAM b\u00e1n d\u1eabn hi\u1ec7n t\u1ea1i kh\u00f4ng th\u1ec3 \u0111\u00e1p \u1ee9ng nh\u1eefng nhu c\u1ea7u l\u01b0u tr\u1eef d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 n\u00e0y. C\u00e1c chuy\u00ean gia v\u1ec1 khoa h\u1ecdc d\u1eef li\u1ec7u d\u1ef1 \u0111o\u00e1n r\u1eb1ng nhu c\u1ea7u v\u1ec1 dung l\u01b0\u1ee3ng b\u1ed9 nh\u1edb s\u1ebd v\u01b0\u1ee3t qu\u00e1 s\u1ea3n xu\u1ea5t v\u00e0o cu\u1ed1i n\u0103m 2020<\/em>“.<\/p>\n\n\n\n

Nghi\u00ean c\u1ee9u c\u1ee7a nh\u00f3m IIT \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean IEEE Transactions on Electron Devices, l\u00e0 t\u1ea1p ch\u00ed qu\u1ed1c t\u1ebf c\u00f3 uy t\u00edn. Nh\u00f3m g\u1ed3m n\u0103m th\u00e0nh vi\u00ean bao g\u1ed3m Sharma, Srikant Srinivasan v\u00e0 ba h\u1ecdc gi\u1ea3 nghi\u00ean c\u1ee9u-Mohamad G Moinuddin, Shivangi Shringi v\u00e0 Aijaz H Lone.<\/p>\n\n\n\n

Sharma n\u00f3i r\u1eb1ng<\/em>: C\u00e1c thi\u1ebft b\u1ecb STT-MRAM kh\u00f4ng bay h\u01a1i; c\u00f3 m\u1eadt \u0111\u1ed9 l\u01b0u tr\u1eef v\u00e0 \u0111\u1ed9 b\u1ec1n cao h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 RAM d\u1ef1a tr\u00ean CMOS hi\u1ec7n t\u1ea1i. M\u1ed9t \u01b0u \u0111i\u1ec3m kh\u00e1c c\u1ee7a c\u00e1c lo\u1ea1i b\u1ed9 nh\u1edb n\u00e0y l\u00e0 ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 b\u1ed9 nh\u1edb d\u1ef1a tr\u00ean silicon th\u00f4ng th\u01b0\u1eddng, d\u1eabn \u0111\u1ebfn dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef l\u1edbn v\u00e0 ti\u1ec1m n\u0103ng.<\/p>\n\n\n\n

Theo Ph\u00f3 gi\u00e1o s\u01b0 Srikant Srinivasan, m\u1ed9t tr\u1edf ng\u1ea1i l\u1edbn \u0111\u1ed1i v\u1edbi vi\u1ec7c m\u1edf r\u1ed9ng RAM d\u1ef1a tr\u00ean \u0111i\u1ec7n t\u1eed h\u1ecdc spin l\u00e0 m\u1eadt \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng cao nh\u01b0ng v\u1ea5n \u0111\u1ec1 \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft trong nghi\u00ean c\u1ee9u n\u00e0y.<\/p>\n\n\n\n

Srinivasan n\u00f3i: “C\u00e1c thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang t\u00f4i c\u00f3 m\u1eadt \u0111\u1ed9 d\u00f2ng chuy\u1ec3n m\u1ea1ch r\u1ea5t th\u1ea5p v\u00e0 th\u1eddi gian chuy\u1ec3n m\u1ea1ch l\u1edbp t\u1ef1 do d\u01b0\u1edbi ba nano gi\u00e2y. \u0110\u00e2y l\u00e0 m\u1ed9t kh\u1edfi \u0111\u1ea7u r\u1ea5t h\u1ee9a h\u1eb9n v\u00e0 t\u1ed1i \u01b0u h\u00f3a h\u01a1n n\u1eefa s\u1ebd khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh \u1ee9ng c\u1eed vi\u00ean ti\u1ec1m n\u0103ng cho c\u00e1c thi\u1ebft b\u1ecb RAM th\u1ebf h\u1ec7 ti\u1ebfp theo<\/em>“.<\/p>\n\n\n\n

\u0110.T.V (NASATI)<\/em><\/p>\n\n\n\n

theo https:\/\/economictimes.indiatimes.com\/news\/science\/8-covid-19-related-iit-kharagpur-projects-approved\/articleshow\/75249212.cms, 21\/4\/2020<\/em><\/p>\n\n\n\n

https:\/\/www.vista.gov.vn\/news\/khoa-hoc-ky-thuat-va-cong-nghe\/ram-tu-tinh-duoc-phat-trien-giup-luu-tru-du-lieu-duoc-nhieu-va-tinh-toan-nhanh-hon-2266.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i Vi\u1ec7n C\u00f4ng ngh\u1ec7 \u1ea4n \u0110\u1ed9 (IIT), Mandi, v\u1eeba m\u1edbi ph\u00e1t tri\u1ec3n B\u1ed9 nh\u1edb l\u01b0u tr\u1eef t\u1ea1m th\u1eddi c\u1ee7a thi\u1ebft b\u1ecb (RAM) nhanh, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef nhi\u1ec1u th\u00f4ng tin trong m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf so v\u1edbi d\u1eef c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef d\u1eef li\u1ec7u […]<\/p>\n","protected":false},"author":25,"featured_media":29782,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-27562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27562","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\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=27562"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27562\/revisions"}],"predecessor-version":[{"id":29784,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27562\/revisions\/29784"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/29782"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=27562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=27562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=27562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}