{"id":28625,"date":"2019-02-19T19:33:00","date_gmt":"2019-02-19T12:33:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28625"},"modified":"2021-10-03T19:34:17","modified_gmt":"2021-10-03T12:34:17","slug":"lop-phu-chong-phan-xa-khien-nhua-tro-nen-vo-hinh","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/lop-phu-chong-phan-xa-khien-nhua-tro-nen-vo-hinh\/","title":{"rendered":"L\u1edbp ph\u1ee7 ch\u1ed1ng ph\u1ea3n x\u1ea1 khi\u1ebfn nh\u1ef1a tr\u1edf n\u00ean v\u00f4 h\u00ecnh"},"content":{"rendered":"\n

L\u1edbp ph\u1ee7 ch\u1ed1ng ph\u1ea3n x\u1ea1 (AR) tr\u00ean nh\u1ef1a c\u00f3 v\u00f4 s\u1ed1 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, bao g\u1ed3m gi\u1ea3m \u0111\u1ed9 ch\u00f3i tr\u00ean k\u00ednh, m\u00e0n h\u00ecnh m\u00e1y t\u00ednh v\u00e0 m\u00e0n h\u00ecnh \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh khi b\u1ea1n \u1edf ngo\u00e0i tr\u1eddi. Gi\u1edd \u0111\u00e2y, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Pennsylvania \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t l\u1edbp ph\u1ee7 AR c\u1ea3i ti\u1ebfn tr\u00ean c\u01a1 s\u1edf c\u00e1c l\u1edbp ph\u1ee7 hi\u1ec7n c\u00f3 \u0111\u1ec3 s\u1ea3n xu\u1ea5t nh\u1ef1a trong su\u1ed1t nh\u01b0 Plexiglas g\u1ea7n nh\u01b0 v\u00f4 h\u00ecnh.<\/p>\n\n\n\n

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

“Ch\u00fang t\u00f4i \u0111\u00e3 ph\u00e1t hi\u1ec7n ra l\u1edbp ph\u1ee7 AR trong qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o c\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi c\u00f3 hi\u1ec7u qu\u1ea3 cao h\u01a1n<\/em>“, Chris Giebink, ph\u00f3 gi\u00e1o s\u01b0 k\u1ef9 thu\u1eadt \u0111i\u1ec7n v\u00e0 l\u00e0 \u0111\u1ed3ng t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u n\u00f3i. “C\u00e1ch ti\u1ebfp c\u1eadn c\u1ee7a ch\u00fang t\u00f4i li\u00ean quan \u0111\u1ebfn vi\u1ec7c thu \u00e1nh s\u00e1ng v\u00e0o c\u00e1c pin m\u1eb7t tr\u1eddi nh\u1ecf, hi\u1ec7u qu\u1ea3 cao b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u1ed1ng k\u00ednh nh\u1ef1a v\u00e0 ch\u00fang t\u00f4i c\u1ea7n gi\u1ea3m thi\u1ec3u h\u1ea1n ch\u1ebf t\u1ed5n th\u1ea5t ph\u1ea3n x\u1ea1<\/em>“.<\/p>\n\n\n\n

Nh\u00f3m nghi\u00ean c\u1ee9u c\u1ea7n m\u1ed9t l\u1edbp ph\u1ee7 ch\u1ed1ng ph\u1ea3n x\u1ea1 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean to\u00e0n b\u1ed9 ph\u1ed5 m\u1eb7t tr\u1eddi v\u00e0 \u1edf nhi\u1ec1u g\u00f3c \u0111\u1ed9 khi m\u1eb7t tr\u1eddi chi\u1ebfu qua b\u1ea7u tr\u1eddi. C\u00e1c nh\u00e0 khoa h\u1ecdc c\u0169ng c\u1ea7n m\u1ed9t l\u1edbp ph\u1ee7 ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft ngo\u00e0i tr\u1eddi trong th\u1eddi gian d\u00e0i.<\/p>\n\n\n\n

D\u00f9 t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 t\u1ea1o ra m\u1ed9t l\u1edbp ph\u1ee7 ch\u1ed1ng ph\u1ea3n x\u1ea1 v\u1edbi m\u1ed9t b\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3 ho\u1eb7c m\u1ed9t h\u01b0\u1edbng c\u1ee5 th\u1ec3, nh\u01b0ng m\u1ed9t l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau ch\u00ed c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc kh\u00f4ng t\u1ed3n t\u1ea1i. V\u00ed d\u1ee5, l\u1edbp ph\u1ee7 AR c\u1ee7a m\u1eaft k\u00ednh nh\u1eb1m v\u00e0o m\u1ed9t ph\u1ea7n quang ph\u1ed5 h\u1eb9p h\u1eefu h\u00ecnh. Nh\u01b0ng ph\u1ed5 m\u1eb7t tr\u1eddi r\u1ed9ng g\u1ea5p kho\u1ea3ng 5 l\u1ea7n ph\u1ed5 h\u1eefu h\u00ecnh, do \u0111\u00f3, m\u1ed9t l\u1edbp ph\u1ee7 n\u00e0y s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho m\u1ed9t h\u1ec7 th\u1ed1ng pin m\u1eb7t tr\u1eddi t\u1eadp trung.<\/p>\n\n\n\n

Ph\u1ea3n x\u1ea1 xu\u1ea5t hi\u1ec7n khi \u00e1nh s\u00e1ng truy\u1ec1n t\u1eeb m\u00f4i tr\u01b0\u1eddng nh\u01b0 kh\u00f4ng kh\u00ed sang m\u00f4i tr\u01b0\u1eddng th\u1ee9 hai, trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 nh\u1ef1a. N\u1ebfu s\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 c\u1ee7a ch\u00fang, x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng truy\u1ec1n qua trong m\u1ed9t v\u1eadt li\u1ec7u c\u1ee5 th\u1ec3, l\u00e0 l\u1edbn – kh\u00f4ng kh\u00ed c\u00f3 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 l\u00e0 1 v\u00e0 nh\u1ef1a l\u00e0 1,5 – th\u00ec ph\u1ea3n x\u1ea1 s\u1ebd r\u1ea5t m\u1ea1nh. Ch\u1ec9 s\u1ed1 th\u1ea5p nh\u1ea5t cho m\u1ed9t v\u1eadt li\u1ec7u ph\u1ee7 t\u1ef1 nhi\u00ean nh\u01b0 magi\u00ea florua ho\u1eb7c Teflon l\u00e0 kho\u1ea3ng 1,3. Ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u1eeb t\u1eeb trong kho\u1ea3ng 1,3 v\u00e0 1,5 b\u1eb1ng c\u00e1ch tr\u1ed9n c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau, nh\u01b0ng kho\u1ea3ng c\u00e1ch gi\u1eefa 1,3 v\u00e0 1 v\u1eabn t\u1ed3n t\u1ea1i.<\/p>\n\n\n\n

Trong m\u1ed9t b\u00e0i b\u00e1o g\u1ea7n \u0111\u00e2y \u0111\u01b0\u1ee3c \u0111\u0103ng tr\u1ef1c tuy\u1ebfn tr\u00ean t\u1ea1p ch\u00ed Nano Letters, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 m\u00f4 t\u1ea3 m\u1ed9t quy tr\u00ecnh m\u1edbi \u0111\u1ec3 thu h\u1eb9p kho\u1ea3ng c\u00e1ch gi\u1eefa Teflon v\u00e0 kh\u00f4ng kh\u00ed. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 s\u1eed d\u1ee5ng m\u1ed9t ph\u00e2n t\u1eed \u0111\u1ec3 t\u1ea1o ra c\u00e1c l\u1ed7 nano trong Teflon b\u1ed1c h\u01a1i, t\u1eeb \u0111\u00f3 t\u1ea1o ra m\u1ed9t l\u1edbp m\u00e0ng Teflon – kh\u00f4ng kh\u00ed c\u00f3 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i \u0111\u1ec3 \u00e1nh s\u00e1ng chuy\u1ec3n \u0111\u1ed5i nh\u1eb9 nh\u00e0ng t\u1eeb 1 \u0111\u1ebfn 1,5, v\u1ec1 c\u01a1 b\u1ea3n lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea3n x\u1ea1.<\/p>\n\n\n\n

“\u0110i\u1ec1u th\u00fa v\u1ecb v\u1ec1 Teflon, m\u1ed9t lo\u1ea1i polyme, l\u00e0 khi b\u1ea1n nung n\u00f3ng n\u00f3 trong n\u1ed3i n\u1ea5u kim lo\u1ea1i, c\u00e1c chu\u1ed7i polyme l\u1edbn t\u00e1ch ra th\u00e0nh c\u00e1c m\u1ea3nh nh\u1ecf \u0111\u1ee7 nh\u1ecf \u0111\u1ec3 bay h\u01a1i v\u00e0 t\u1ea1o ra lu\u1ed3ng h\u01a1i. Khi ch\u00fang r\u01a1i v\u00e0o ch\u1ea5t n\u1ec1n, ch\u00fang c\u00f3 th\u1ec3 t\u00e1i c\u1ea5u tr\u00fac l\u1ea1i v\u00e0 t\u1ea1o th\u00e0nh Teflon<\/em>“, PGS. Giebink n\u00f3i.<\/p>\n\n\n\n

Khi c\u00e1c ph\u00e2n t\u1eed \u0111\u01b0\u1ee3c b\u1ed5 sung th\u00eam v\u00e0o lu\u1ed3ng h\u01a1i, Teflon s\u1ebd thay \u0111\u1ed5i xung quanh c\u00e1c ph\u00e2n t\u1eed. C\u00e1c ph\u00e2n t\u1eed \u0111\u00f3 h\u00f2a tan \u0111\u1ec3 l\u1ea1i m\u1ed9t m\u00e0ng x\u1ed1p nano c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i b\u1eb1ng c\u00e1ch b\u1ed5 sung th\u00eam nhi\u1ec1u l\u1ed7.<\/p>\n\n\n\n

M\u1ed9t \u1ee9ng d\u1ee5ng b\u1ea5t ng\u1edd l\u00e0 cho m\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i. \u0110\u00e2y l\u00e0 nh\u1eefng chi\u1ebfc m\u00e1y bay c\u00f3 s\u1ea3i c\u00e1nh kh\u1ed5ng l\u1ed3 \u0111\u01b0\u1ee3c ph\u1ee7 pin m\u1eb7t tr\u1eddi. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu \u0111\u1ec3 trinh s\u00e1t, nh\u1eefng chi\u1ebfc m\u00e1y bay n\u00e0y d\u1ef1a v\u00e0o \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong chuy\u1ebfn bay g\u1ea7n nh\u01b0 li\u00ean t\u1ee5c v\u00e0 do \u0111\u00f3, m\u00e1y bay s\u1ebd thu \u0111\u01b0\u1ee3c nhi\u1ec1u \u00e1nh s\u00e1ng l\u00e0 t\u1ea1i g\u00f3c xi\u00ean \u1edf \u0111\u00f3 ph\u1ea3n x\u1ea1 cao nh\u1ea5t. M\u1ed9t trong nh\u1eefng c\u00f4ng ty s\u1ea3n xu\u1ea5t pin m\u1eb7t tr\u1eddi n\u00e0y \u0111ang kh\u00e1m ph\u00e1 l\u1edbp ph\u1ee7 AR \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng c\u1ea3i thi\u1ec7n l\u01b0\u1ee3ng \u00e1nh s\u00e1ng thu \u0111\u01b0\u1ee3c b\u1edfi m\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i.<\/p>\n\n\n\n

V\u00ec c\u00f4ng ngh\u1ec7 n\u00e0y t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t hi\u1ec7n t\u1ea1i, n\u00ean Giebink tin r\u1eb1ng c\u00f4ng ngh\u1ec7 l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng v\u00e0 \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, c\u00e1c m\u1eabu th\u1eed nghi\u1ec7m ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft c\u1ee7a Central Pennsylvania trong hai n\u0103m v\u1edbi r\u1ea5t \u00edt thay \u0111\u1ed5i v\u1ec1 t\u00ednh ch\u1ea5t. Ngo\u00e0i ra, l\u1edbp ph\u1ee7 c\u0169ng ch\u1ed1ng s\u01b0\u01a1ng m\u00f9.<\/p>\n\n\n\n

N.T.T (NASATI)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

L\u1edbp ph\u1ee7 ch\u1ed1ng ph\u1ea3n x\u1ea1 (AR) tr\u00ean nh\u1ef1a c\u00f3 v\u00f4 s\u1ed1 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, bao g\u1ed3m gi\u1ea3m \u0111\u1ed9 ch\u00f3i tr\u00ean k\u00ednh, m\u00e0n h\u00ecnh m\u00e1y t\u00ednh v\u00e0 m\u00e0n h\u00ecnh \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh khi b\u1ea1n \u1edf ngo\u00e0i tr\u1eddi. Gi\u1edd \u0111\u00e2y, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Pennsylvania \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t l\u1edbp ph\u1ee7 […]<\/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-28625","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\/28625","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=28625"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28625\/revisions"}],"predecessor-version":[{"id":28626,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28625\/revisions\/28626"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}