{"id":1639,"date":"2024-09-10T13:19:41","date_gmt":"2024-09-10T06:19:41","guid":{"rendered":"https:\/\/materials-lab.hcmus.edu.vn\/?p=1639"},"modified":"2024-09-10T13:32:31","modified_gmt":"2024-09-10T06:32:31","slug":"chuc-mung-ncs-hoang-van-dung-bao-ve-thanh-cong-lats-cap-dvcm","status":"publish","type":"post","link":"https:\/\/materials-lab.hcmus.edu.vn\/?p=1639","title":{"rendered":"Ch\u00fac m\u1eebng NCS. Ho\u00e0ng V\u0103n D\u0169ng b\u1ea3o v\u1ec7 th\u00e0nh c\u00f4ng LATS c\u1ea5p \u0110VCM"},"content":{"rendered":"\n\n\n

09\/09\/2024<\/em><\/p>\n

V\u00e0o chi\u1ec1u ng\u00e0y 09\/09\/2024, Nghi\u00ean c\u1ee9u sinh Ho\u00e0ng V\u0103n D\u0169ng \u0111\u00e3 xu\u1ea5t s\u1eafc b\u1ea3o v\u1ec7 th\u00e0nh c\u00f4ng lu\u1eadn \u00e1n ti\u1ebfn s\u0129 c\u1ea5p \u0110\u01a1n v\u1ecb Chuy\u00ean m\u00f4n chuy\u00ean ng\u00e0nh Quang h\u1ecdc t\u1ea1i Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Khoa h\u1ecdc T\u1ef1 nhi\u00ean, \u0110HQG-HCM v\u1edbi \u0111\u1ec1 t\u00e0i:<\/p>\n

“Nghi\u00ean c\u1ee9u c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u Delafossite CuCrO\u2082 cho \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111i\u1ec7n” <\/strong><\/p>\n

D\u01b0\u1edbi s\u1ef1 d\u1eabn d\u1eaft c\u1ee7a PGS.TS. Tr\u1ea7n Cao Vinh<\/strong> v\u00e0 GS.TS. Phan B\u00e1ch Th\u1eafng<\/strong>, NCS Ho\u00e0ng V\u0103n D\u0169ng \u0111\u00e3 th\u1ec3 hi\u1ec7n s\u1ef1 chuy\u00ean nghi\u1ec7p, t\u1ef1 tin v\u00e0 tinh th\u1ea7n s\u00e1ng t\u1ea1o qua vi\u1ec7c tr\u00ecnh b\u00e0y chi ti\u1ebft c\u00e1c k\u1ebft qu\u1ea3 quan tr\u1ecdng c\u1ee7a lu\u1eadn \u00e1n. Nghi\u00ean c\u1ee9u n\u00e0y kh\u00f4ng ch\u1ec9 t\u1eadp trung v\u00e0o vi\u1ec7c kh\u1ea3o s\u00e1t t\u00ednh ch\u1ea5t nhi\u1ec7t \u0111i\u1ec7n c\u1ee7a v\u1eadt li\u1ec7u Delafossite CuCrO\u2082 m\u00e0 c\u00f2n m\u1edf ra tri\u1ec3n v\u1ecdng \u1ee9ng d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb nhi\u1ec7t \u0111i\u1ec7n, v\u1edbi kh\u1ea3 n\u0103ng chuy\u1ec3n h\u00f3a nhi\u1ec7t th\u1ea3i th\u00e0nh \u0111i\u1ec7n n\u0103ng trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh v\u00e0 cao.<\/p>\n

\"\"<\/a><\/p>\n

\u0110\u1eb7c bi\u1ec7t, lu\u1eadn \u00e1n \u0111\u00e3 \u0111i s\u00e2u v\u00e0o vi\u1ec7c pha t\u1ea1p Mg v\u00e0o CuCrO\u2082 nh\u1eb1m \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u tr\u00fac v\u00e0 t\u1ed1i \u01b0u h\u00f3a t\u00ednh ch\u1ea5t nhi\u1ec7t \u0111i\u1ec7n th\u00f4ng qua vi\u1ec7c ki\u1ec3m so\u00e1t c\u00e1c pha trung gian v\u00e0 c\u00e1c sai h\u1ecfng m\u1ea1ng tinh th\u1ec3 (point defects). Nghi\u00ean c\u1ee9u \u0111\u00e3 l\u00e0m r\u00f5 vai tr\u00f2 c\u1ee7a Mg trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng n\u1ed3ng \u0111\u1ed9 h\u1ea1t t\u1ea3i v\u00e0 gi\u1ea3m \u0111\u1ed9 d\u1eabn nhi\u1ec7t, t\u1eeb \u0111\u00f3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t nhi\u1ec7t \u0111i\u1ec7n c\u1ee7a v\u1eadt li\u1ec7u Delafossite \u1edf c\u1ea3 hai d\u1ea1ng kh\u1ed1i v\u00e0 m\u00e0ng m\u1ecfng, m\u1edf ra m\u1ed9t h\u01b0\u1edbng \u0111i m\u1edbi cho vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c linh ki\u1ec7n nhi\u1ec7t \u0111i\u1ec7n c\u00f3 t\u00ednh \u1ee9ng d\u1ee5ng cao.<\/p>\n

H\u1ed9i \u0111\u1ed3ng ch\u1ea5m lu\u1eadn \u00e1n ti\u1ebfn s\u0129 ng\u00e0nh Quang h\u1ecdc \u0111\u00e3 \u0111\u00e1nh gi\u00e1 r\u1ea5t cao \u00fd ngh\u0129a khoa h\u1ecdc v\u00e0 t\u00ednh \u1ee9ng d\u1ee5ng c\u1ee7a \u0111\u1ec1 t\u00e0i. Nh\u1eefng \u0111\u00f3ng g\u00f3p m\u1edbi m\u1ebb v\u00e0 ti\u1ec1m n\u0103ng th\u1ef1c ti\u1ec5n m\u00e0 NCS Ho\u00e0ng V\u0103n D\u0169ng mang l\u1ea1i kh\u00f4ng ch\u1ec9 gi\u00fap n\u00e2ng cao ki\u1ebfn th\u1ee9c trong l\u0129nh v\u1ef1c nhi\u1ec7t \u0111i\u1ec7n m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n t\u1ea1o n\u1ec1n t\u1ea3ng cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 nhi\u1ec7t \u0111i\u1ec7n trong t\u01b0\u01a1ng lai. H\u1ed9i \u0111\u1ed3ng \u0111\u00e3 nh\u1ea5t tr\u00ed \u0111\u1ec1 ngh\u1ecb c\u00f4ng nh\u1eadn th\u00f4ng qua v\u00f2ng b\u1ea3o v\u1ec7 c\u1ea5p \u0110\u01a1n v\u1ecb chuy\u00ean m\u00f4n cho NCS Ho\u00e0ng V\u0103n D\u0169ng, m\u1ed9t th\u00e0nh t\u00edch v\u00f4 c\u00f9ng x\u1ee9ng \u0111\u00e1ng sau nh\u1eefng n\u1ed7 l\u1ef1c v\u00e0 c\u1ed1ng hi\u1ebfn c\u1ee7a anh.<\/p>\n

Xin ch\u00fac m\u1eebng NCS. Ho\u00e0ng V\u0103n D\u0169ng v\u00e0 t\u1eadp th\u1ec3 PTN. V\u1eadt li\u1ec7u K\u1ef9 thu\u1eadt cao (AM-lab) v\u1edbi c\u1ed9t m\u1ed1c \u0111\u1ea7y t\u1ef1 h\u00e0o n\u00e0y! \u0110\u1ed3ng th\u1eddi, xin g\u1eedi l\u1eddi tri \u00e2n s\u00e2u s\u1eafc \u0111\u1ebfn nh\u1eefng \u0111\u01a1n v\u1ecb v\u00e0 c\u00e1 nh\u00e2n \u0111\u00e3 kh\u00f4ng ng\u1eebng h\u1ed7 tr\u1ee3 v\u00e0 \u0111\u1ed3ng h\u00e0nh c\u00f9ng NCS trong su\u1ed1t h\u00e0nh tr\u00ecnh nghi\u00ean c\u1ee9u:<\/p>\n