Nhi\u1ec1u kim lo\u1ea1i v\u00e0 h\u1ee3p kim c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng nano c\u1ee5 th\u1ec3 – t\u1eeb n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111\u1ebfn vi \u0111i\u1ec7n
t\u1eed – nh\u01b0ng vi\u1ec7c \u0111\u00fac ch\u00ednh x\u00e1c c\u00e1c kim lo\u1ea1i th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng r\u1ea5t nh\u1ecf nh\u01b0 v\u1eady v\u1eabn c\u00f2n l\u00e0 th\u00e1ch th\u1ee9c. Tuy nhi\u00ean,
c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t quy tr\u00ecnh cho ph\u00e9p c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u1ec1 c\u01a1 b\u1ea3n \u0111\u1ecbnh h\u00ecnh b\u1ea5t k\u1ef3 kim lo\u1ea1i v\u00e0
h\u1ee3p kim n\u00e0o v\u00e0 sao ch\u00e9p ngay c\u1ea3 nh\u1eefng chi ti\u1ebft nh\u1ecf nh\u1ea5t. C\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a Jan Schroers, gi\u00e1o s\u01b0 khoa
h\u1ecdc c\u01a1 kh\u00ed & v\u1eadt li\u1ec7u t\u1ea1i Yale, v\u00e0 gi\u00e1o s\u01b0 Ze Liu c\u1ee7a \u0110\u1ea1i h\u1ecdc V\u0169 H\u00e1n \u1edf Trung Qu\u1ed1c \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p
m\u00e0 h\u1ecd g\u1ecdi l\u00e0 nanomold c\u01a1 nhi\u1ec7t cho ph\u00e9p h\u1ecd \u0111\u00fac c\u00e1c kim lo\u1ea1i tinh th\u1ec3 th\u00e0nh nh\u1eefng h\u00ecnh d\u1ea1ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf
\u0111\u1ebfn v\u00e0i nanomet. S\u1ef1 \u0111\u1ed9t ph\u00e1 n\u00e0y theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi trong c\u00e1c l\u0129nh v\u1ef1c
nh\u01b0 c\u1ea3m bi\u1ebfn, pin, x\u00fac t\u00e1c, v\u1eadt li\u1ec7u sinh h\u1ecdc v\u00e0 v\u1eadt li\u1ec7u l\u01b0\u1ee3ng t\u1eed.<\/p>\n\n\n\n
C\u00e1c nanorod b\u1ea1c \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng khu\u00f4n nhi\u1ec7t c\u01a1, c\u00f3 k\u00edch th\u01b0\u1edbc t\u1eeb (tr\u00e1i sang ph\u1ea3i) 0,57 mm, 10 micromet, 375
nanomet v\u00e0 36 nanomet.<\/p>\n\n\n\n
Ng\u00e0y nay, c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t nano d\u1ef1a tr\u00ean m\u1ed9t v\u00e0i v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o r\u1ea5t \u0111\u1eb7c bi\u1ec7t cho m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u
c\u1ee5 th\u1ec3. Nh\u01b0ng kh\u00e1m ph\u00e1 n\u00e0y \u0111\u01b0a ra m\u1ed9t k\u1ef9 thu\u1eadt cho t\u1ea5t c\u1ea3 c\u00e1c kim lo\u1ea1i v\u00e0 h\u1ee3p kim: N\u00f3 cho ph\u00e9p ch\u1ebf t\u1ea1o v\u1ec1 c\u01a1
b\u1ea3n m\u1ecdi kim lo\u1ea1i v\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a n\u00f3 trong b\u1ea3ng tu\u1ea7n ho\u00e0n theo c\u00e1ch c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n v\u00e0 ch\u00ednh x\u00e1c \u0111\u1ed1i v\u1edbi c\u00e1c
t\u00ednh n\u0103ng c\u00f3 k\u00edch th\u01b0\u1edbc nano.<\/p>\n\n\n\n
C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u cho bi\u1ebft vi\u1ec7c \u0111\u00fac c\u00e1c kim lo\u1ea1i tinh th\u1ec3, bao g\u1ed3m h\u1ea7u h\u1ebft c\u00e1c kim lo\u1ea1i \u1edf tr\u1ea1ng th\u00e1i r\u1eafn, n\u00f3i
chung \u0111\u00e3 \u0111\u1eb7t ra m\u1ed9t th\u00e1ch th\u1ee9c cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t. L\u00e0m th\u1ebf n\u00e0o m\u1ed9t v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u00fac \u0111\u01b0\u1ee3c th\u01b0\u1eddng ph\u1ee5
thu\u1ed9c v\u00e0o kh\u1ea3 n\u0103ng l\u01b0u chuy\u1ec3n c\u1ee7a n\u00f3 – \u0111\u00f3 l\u00e0 c\u00e1ch n\u00f3 d\u1ec5 d\u00e0ng ch\u1ea3y trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh. Kh\u1ea3 n\u0103ng ch\u1ea3y
c\u00f3 nhi\u1ec1u trong nh\u1ef1a nhi\u1ec7t d\u1ebbo, gel v\u00e0 k\u00ednh, nh\u01b0ng h\u1ea7u h\u1ebft c\u00e1c kim lo\u1ea1i \u0111\u1ec1u qu\u00e1 c\u1ee9ng khi \u1edf tr\u1ea1ng th\u00e1i r\u1eafn v\u00e0 qu\u00e1
l\u1ecfng \u1edf tr\u1ea1ng th\u00e1i l\u1ecfng \u0111\u1ec3 t\u1ea1o khu\u00f4n b\u1eb1ng c\u00e1c k\u1ef9 thu\u1eadt th\u00f4ng th\u01b0\u1eddng \u1edf c\u1ea5p \u0111\u1ed9 nano.
Nh\u01b0ng b\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng khu\u1ebfch t\u00e1n nguy\u00ean t\u1eed, trong \u0111\u00f3 s\u1ef1 thay \u0111\u1ed5i \u00e1p l\u1ef1c v\u1eadn chuy\u1ec3n c\u00e1c nguy\u00ean t\u1eed, nh\u00f3m
nghi\u00ean c\u1ee9u nh\u1eadn th\u1ea5y r\u1eb1ng h\u1ecd kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c kim lo\u1ea1i tinh th\u1ec3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 m\u00e0 vi\u1ec7c gi\u1ea3m k\u00edch
th\u01b0\u1edbc c\u1ee7a khu\u00f4n th\u1ef1c s\u1ef1 gi\u00fap qu\u00e1 tr\u00ecnh tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n. K\u1ebft qu\u1ea3 l\u00e0, h\u1ecd \u0111\u00e3 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c t\u00ednh n\u0103ng r\u1ea5t d\u00e0i
v\u1edbi \u0111\u01b0\u1eddng k\u00ednh kho\u1ea3ng 10 nanomet – nh\u1ecf h\u01a1n 8.000 l\u1ea7n so v\u1edbi t\u00f3c ng\u01b0\u1eddi – \u0111i\u1ec1u m\u00e0 tr\u01b0\u1edbc \u0111\u00e2y kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n
\u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
B\u1edfi v\u00ec c\u01a1 ch\u1ebf khu\u1ebfch t\u00e1n c\u00f3 m\u1eb7t trong t\u1ea5t c\u1ea3 c\u00e1c kim lo\u1ea1i v\u00e0 h\u1ee3p kim, qu\u00e1 tr\u00ecnh n\u00e0y v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c
s\u1eed d\u1ee5ng tr\u00ean b\u1ea3ng, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u cho bi\u1ebft. \u0110\u1ec3 ki\u1ec3m tra ph\u1ea1m vi \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3
th\u1eed \u0111\u00fac v\u00e0ng, niken, vanadi, s\u1eaft v\u00e0 nhi\u1ec1u h\u1ee3p kim. Trong m\u1ed7i tr\u01b0\u1eddng h\u1ee3p, h\u1ecd c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ch\u1ebf t\u1ea1o c\u00e1c thanh
nano r\u1ea5t nh\u1ecf.<\/p>\n","protected":false},"excerpt":{"rendered":"
Nhi\u1ec1u kim lo\u1ea1i v\u00e0 h\u1ee3p kim c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng nano c\u1ee5 th\u1ec3 – t\u1eeb n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111\u1ebfn vi \u0111i\u1ec7nt\u1eed – nh\u01b0ng vi\u1ec7c \u0111\u00fac ch\u00ednh x\u00e1c c\u00e1c kim lo\u1ea1i th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng r\u1ea5t nh\u1ecf nh\u01b0 v\u1eady v\u1eabn c\u00f2n l\u00e0 th\u00e1ch th\u1ee9c. Tuy nhi\u00ean,c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 […]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28268","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\/28268","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=28268"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28268\/revisions"}],"predecessor-version":[{"id":28269,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28268\/revisions\/28269"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}