{"id":2372,"date":"2026-06-09T04:56:55","date_gmt":"2026-06-09T04:56:55","guid":{"rendered":"https:\/\/www.xkh-ceramics.com\/?p=2372"},"modified":"2026-06-09T04:56:58","modified_gmt":"2026-06-09T04:56:58","slug":"what-is-device-grade-hbn-single-crystal-and-why-is-it-important-for-advanced-electronics","status":"publish","type":"post","link":"https:\/\/www.xkh-ceramics.com\/vi\/what-is-device-grade-hbn-single-crystal-and-why-is-it-important-for-advanced-electronics\/","title":{"rendered":"Tinh th\u1ec3 \u0111\u01a1n hBN c\u1ea5p thi\u1ebft b\u1ecb l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ng\u00e0nh \u0111i\u1ec7n t\u1eed ti\u00ean ti\u1ebfn?"},"content":{"rendered":"

Khi c\u00e1c l\u0129nh v\u1ef1c v\u1eadt li\u1ec7u hai chi\u1ec1u (2D), thi\u1ebft b\u1ecb l\u01b0\u1ee3ng t\u1eed v\u00e0 ch\u1ea5t b\u00e1n d\u1eabn th\u1ebf h\u1ec7 m\u1edbi ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u00e3 n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t n\u1ec1n t\u1ea3ng quan tr\u1ecdng cho nhi\u1ec1u b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 c\u00f4ng ngh\u1ec7 \u0111\u1ea7y h\u1ee9a h\u1eb9n nh\u1ea5t: Tinh th\u1ec3 \u0111\u01a1n nitrua bo l\u1ee5c gi\u00e1c (hBN) \u0111\u1ea1t ti\u00eau chu\u1ea9n thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

Th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cng\u01b0\u1eddi b\u1ea1n \u0111\u1ed3ng h\u00e0nh l\u00fd t\u01b0\u1edfng\u201d c\u1ee7a graphene, hBN ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u00e3 tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, quang t\u1eed v\u00e0 l\u01b0\u1ee3ng t\u1eed ti\u00ean ti\u1ebfn. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111\u1ec1u tin d\u00f9ng hBN \u0111\u1ea1t ti\u00eau chu\u1ea9n thi\u1ebft b\u1ecb \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 di \u0111\u1ed9ng c\u1ee7a h\u1ea1t mang cao h\u01a1n, c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 mang l\u1ea1i m\u1ee9c hi\u1ec7u su\u1ea5t ch\u01b0a t\u1eebng c\u00f3 trong c\u00e1c h\u1ec7 th\u1ed1ng quy m\u00f4 nano.<\/p>\n\n\n\n

Nh\u01b0ng \u201cthi\u1ebft b\u1ecb c\u1ea5p \u0111\u1ed9\u201d ch\u00ednh x\u00e1c l\u00e0 g\u00ec? Tinh th\u1ec3 \u0111\u01a1n hBN<\/a>, v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i tr\u1edf n\u00ean quan tr\u1ecdng \u0111\u1ebfn v\u1eady trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i?<\/p>\n\n\n\n

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

T\u00ecm hi\u1ec3u v\u1ec1 nitrua bo l\u1ee5c gi\u00e1c<\/h2>\n\n\n\n

Nitrua bo l\u1ee5c gi\u00e1c (hBN) l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u tinh th\u1ec3 d\u1ea1ng l\u1edbp, \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c nguy\u00ean t\u1eed bo v\u00e0 nit\u01a1 xen k\u1ebd nhau, s\u1eafp x\u1ebfp theo m\u1ea1ng tinh th\u1ec3 h\u00ecnh t\u1ed5 ong l\u1ee5c gi\u00e1c. V\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac, n\u00f3 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 graphene, nh\u01b0ng c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n t\u1eed c\u1ee7a n\u00f3 l\u1ea1i ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t.<\/p>\n\n\n\n

Trong khi graphene l\u00e0 m\u1ed9t ch\u1ea5t d\u1eabn \u0111i\u1ec7n tuy\u1ec7t v\u1eddi, th\u00ec hBN l\u1ea1i l\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n c\u00f3 kho\u1ea3ng c\u00e1ch d\u1ea3i n\u0103ng l\u01b0\u1ee3ng r\u1ed9ng, kho\u1ea3ng 6 eV. S\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o gi\u1eefa t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1ec1 c\u1ea5u tr\u00fac v\u00e0 t\u00ednh c\u00e1ch \u0111i\u1ec7n n\u00e0y khi\u1ebfn hBN tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng \u0111\u1ec3 t\u00edch h\u1ee3p v\u1edbi graphene v\u00e0 c\u00e1c v\u1eadt li\u1ec7u hai chi\u1ec1u kh\u00e1c.<\/p>\n\n\n\n

Gi\u1ed1ng nh\u01b0 than ch\u00ec, hBN bao g\u1ed3m c\u00e1c l\u1edbp m\u1ecfng \u1edf c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed, \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhau nh\u1edd c\u00e1c l\u1ef1c van der Waals y\u1ebfu. C\u00e1c l\u1edbp n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1ch ra b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p c\u01a1 h\u1ecdc \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u1ea3nh si\u00eau m\u1ecfng, ph\u00f9 h\u1ee3p cho vi\u1ec7c ch\u1ebf t\u1ea1o thi\u1ebft b\u1ecb v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc.<\/p>\n\n\n\n

\u201cDevice-Grade\u201d c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/h2>\n\n\n\n

Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c tinh th\u1ec3 hBN \u0111\u1ec1u gi\u1ed1ng nhau.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng cao c\u1ea5p, nitrua bo \u0111a tinh th\u1ec3 th\u00f4ng th\u01b0\u1eddng ho\u1eb7c c\u00e1c tinh th\u1ec3 ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p h\u01a1n l\u00e0 kh\u00f4ng \u0111\u1ee7, b\u1edfi v\u00ec c\u00e1c khuy\u1ebft t\u1eadt, t\u1ea1p ch\u1ea5t, ranh gi\u1edbi h\u1ea1t v\u00e0 c\u00e1c b\u1ea5t th\u01b0\u1eddng tr\u00ean b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

C\u00e1c tinh th\u1ec3 \u0111\u01a1n hBN c\u1ea5p thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c nu\u00f4i c\u1ea5y v\u00e0 l\u1ef1a ch\u1ecdn \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u kh\u1eaft khe c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 quang t\u1eed. C\u00e1c v\u1eadt li\u1ec7u n\u00e0y th\u01b0\u1eddng c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sau:<\/p>\n\n\n\n

    \n
  • \u0110\u1ed9 tinh khi\u1ebft cao c\u1ee7a tinh th\u1ec3<\/li>\n\n\n\n
  • M\u1eadt \u0111\u1ed9 khuy\u1ebft t\u1eadt th\u1ea5p<\/li>\n\n\n\n
  • C\u00e1c v\u00f9ng tinh th\u1ec3 \u0111\u01a1n l\u1edbn<\/li>\n\n\n\n
  • C\u00e1c b\u1ec1 m\u1eb7t m\u1ecbn \u0111\u1ebfn c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed<\/li>\n\n\n\n
  • \u0110\u1eb7c t\u00ednh \u0111i\u1ec7n m\u00f4i xu\u1ea5t s\u1eafc<\/li>\n\n\n\n
  • C\u00e1c \u0111\u1eb7c t\u00ednh quang h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i<\/li>\n<\/ul>\n\n\n\n

    Thu\u1eadt ng\u1eef \u201cdevice-grade\u201d cho th\u1ea5y ch\u1ea5t l\u01b0\u1ee3ng tinh th\u1ec3 n\u00e0y ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp trong c\u00e1c thi\u1ebft b\u1ecb nghi\u00ean c\u1ee9u v\u00e0 nguy\u00ean m\u1eabu hi\u1ec7u su\u1ea5t cao, ch\u1ee9 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t lo\u1ea1i g\u1ed1m k\u1ef9 thu\u1eadt th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n

    T\u1ea1i sao hBN l\u1ea1i quan tr\u1ecdng \u0111\u1ebfn v\u1eady \u0111\u1ed1i v\u1edbi \u0111i\u1ec7n t\u1eed graphene?<\/h2>\n\n\n\n

    M\u1ed9t trong nh\u1eefng ph\u00e1t hi\u1ec7n c\u00f3 \u1ea3nh h\u01b0\u1edfng nh\u1ea5t trong khoa h\u1ecdc v\u1eadt li\u1ec7u hi\u1ec7n \u0111\u1ea1i l\u00e0 graphene th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i h\u01a1n h\u1eb3n khi \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean hBN so v\u1edbi c\u00e1c ch\u1ea5t n\u1ec1n th\u00f4ng th\u01b0\u1eddng nh\u01b0 silicon dioxide (SiO\u2082).<\/p>\n\n\n\n

    Graphene r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi m\u00f4i tr\u01b0\u1eddng xung quanh. \u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t, c\u00e1c \u0111i\u1ec7n t\u00edch b\u1ecb gi\u1eef l\u1ea1i v\u00e0 t\u1ea1p ch\u1ea5t c\u00f3 th\u1ec3 l\u00e0m t\u00e1n x\u1ea1 c\u00e1c electron v\u00e0 l\u00e0m gi\u1ea3m \u0111\u1ed9 di \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u1ea1t mang \u0111i\u1ec7n.<\/p>\n\n\n\n

    hBN c\u1ea5p thi\u1ebft b\u1ecb gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch cung c\u1ea5p:<\/p>\n\n\n\n

      \n
    • M\u1ed9t b\u1ec1 m\u1eb7t ph\u1eb3ng \u1edf c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed<\/li>\n\n\n\n
    • S\u1ef1 r\u1ed1i lo\u1ea1n \u0111i\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ef1c k\u1ef3 th\u1ea5p<\/li>\n\n\n\n
    • \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi<\/li>\n\n\n\n
    • M\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m t\u1ed1i thi\u1ec3u<\/li>\n<\/ul>\n\n\n\n

      Do \u0111\u00f3, c\u00e1c thi\u1ebft b\u1ecb graphene \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o tr\u00ean ch\u1ea5t n\u1ec1n hBN th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 di \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u1ea1t mang \u0111i\u1ec7n cao g\u1ea5p nhi\u1ec1u l\u1ea7n so v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o tr\u00ean c\u00e1c v\u1eadt li\u1ec7u \u0111i\u1ec7n m\u00f4i truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n

      S\u1ef1 c\u1ea3i ti\u1ebfn n\u00e0y gi\u00fap c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng l\u01b0\u1ee3ng t\u1eed c\u01a1 b\u1ea3n v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f3 hi\u1ec7u su\u1ea5t cao h\u01a1n.<\/p>\n\n\n\n

      T\u1ea1o ra c\u00e1c c\u1ea5u tr\u00fac d\u1ecb ch\u1ea5t Van der Waals<\/h2>\n\n\n\n

      S\u1ef1 tr\u1ed7i d\u1eady c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u hai chi\u1ec1u \u0111\u00e3 d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c c\u1ea5u tr\u00fac d\u1ecb ch\u1ea5t van der Waals \u2014 c\u00e1c l\u1edbp v\u1eadt li\u1ec7u m\u1ecfng \u1edf c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed \u0111\u01b0\u1ee3c x\u1ebfp ch\u1ed3ng l\u00ean nhau m\u1ed9t c\u00e1ch nh\u00e2n t\u1ea1o, c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n t\u1eed v\u00e0 quang h\u1ecdc \u0111\u1ed9c \u0111\u00e1o.<\/p>\n\n\n\n

      Trong c\u00e1c c\u1ea5u tr\u00fac n\u00e0y, hBN th\u01b0\u1eddng \u0111\u00f3ng vai tr\u00f2 l\u00e0:<\/p>\n\n\n\n

        \n
      • M\u1ed9t l\u1edbp n\u1ec1n<\/li>\n\n\n\n
      • L\u1edbp bao b\u1ecdc<\/li>\n\n\n\n
      • Mi\u1ebfng \u0111\u1ec7m c\u00e1ch \u0111i\u1ec7n<\/li>\n\n\n\n
      • H\u00e0ng r\u00e0o \u0111\u01b0\u1eddng h\u1ea7m<\/li>\n<\/ul>\n\n\n\n

        Do hBN c\u00f3 b\u1ec1 m\u1eb7t m\u1ecbn \u1edf c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed v\u00e0 tr\u01a1 v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc, n\u00ean n\u00f3 v\u1eeba gi\u1eef nguy\u00ean c\u00e1c t\u00ednh ch\u1ea5t v\u1ed1n c\u00f3 c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u l\u00e2n c\u1eadn, v\u1eeba \u0111\u1ea3m b\u1ea3o t\u00ednh c\u00e1ch \u0111i\u1ec7n.<\/p>\n\n\n\n

        Ng\u00e0y nay, nhi\u1ec1u thi\u1ebft b\u1ecb ti\u00ean ti\u1ebfn nh\u1ea5t l\u00e0m t\u1eeb graphene, MoS\u2082, WS\u2082 v\u00e0 WSe\u2082 \u0111\u1ec1u s\u1eed d\u1ee5ng hBN l\u00e0m th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac quan tr\u1ecdng.<\/p>\n\n\n\n

        C\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n v\u01b0\u1ee3t tr\u1ed9i<\/h2>\n\n\n\n

        M\u1ed9t trong nh\u1eefng l\u00fd do khi\u1ebfn hBN \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed ti\u00ean ti\u1ebfn l\u00e0 nh\u1edd t\u00ednh ch\u1ea5t \u0111i\u1ec7n m\u00f4i v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a n\u00f3.<\/p>\n\n\n\n

        hBN c\u1ea5p thi\u1ebft b\u1ecb c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh sau:<\/p>\n\n\n\n

          \n
        • \u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i cao<\/li>\n\n\n\n
        • D\u00f2ng r\u00f2 th\u1ea5p<\/li>\n\n\n\n
        • \u0110\u1ed9 c\u00e1ch \u0111i\u1ec7n tuy\u1ec7t v\u1eddi<\/li>\n\n\n\n
        • T\u00ednh \u1ed5n \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n \u0111i\u1ec7n tr\u01b0\u1eddng m\u1ea1nh<\/li>\n<\/ul>\n\n\n\n

          Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y khi\u1ebfn hBN tr\u1edf th\u00e0nh m\u1ed9t v\u1eadt li\u1ec7u h\u1ea5p d\u1eabn trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed nano, c\u00e1c thi\u1ebft b\u1ecb t\u1ea7n s\u1ed1 cao v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 l\u01b0\u1ee3ng t\u1eed m\u1edbi n\u1ed5i, n\u01a1i \u0111\u1ed9 tin c\u1eady v\u1ec1 m\u1eb7t \u0111i\u1ec7n l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu.<\/p>\n\n\n\n

          Khi k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb ng\u00e0y c\u00e0ng thu nh\u1ecf, c\u00e1c v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng duy tr\u00ec hi\u1ec7u su\u1ea5t c\u00e1ch \u0111i\u1ec7n cao \u1edf quy m\u00f4 nano tr\u1edf n\u00ean ng\u00e0y c\u00e0ng quan tr\u1ecdng.<\/p>\n\n\n\n

          M\u1ed9t v\u1eadt li\u1ec7u \u0111\u1ea7y h\u1ee9a h\u1eb9n cho c\u00f4ng ngh\u1ec7 l\u01b0\u1ee3ng t\u1eed<\/h2>\n\n\n\n

          Nhi\u1ec1u ti\u1ebfn b\u1ed9 th\u00fa v\u1ecb nh\u1ea5t hi\u1ec7n nay trong l\u0129nh v\u1ef1c v\u1eadt l\u00fd ch\u1ea5t r\u1eafn v\u00e0 \u0111i\u1ec7n t\u1eed l\u01b0\u1ee3ng t\u1eed \u0111\u1ec1u ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c h\u1ec7 v\u1eadt li\u1ec7u si\u00eau tinh khi\u1ebft.<\/p>\n\n\n\n

          C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng hBN ch\u1ea5t l\u01b0\u1ee3ng thi\u1ebft b\u1ecb \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u00f4i tr\u01b0\u1eddng m\u00e0 trong \u0111\u00f3 c\u00e1c electron c\u00f3 th\u1ec3 di chuy\u1ec3n v\u1edbi m\u1ee9c can thi\u1ec7p t\u1ed1i thi\u1ec3u, t\u1eeb \u0111\u00f3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1:<\/p>\n\n\n\n

            \n
          • Hi\u1ec7u \u1ee9ng Hall l\u01b0\u1ee3ng t\u1eed<\/li>\n\n\n\n
          • Si\u00eau m\u1ea1ng Moir\u00e9<\/li>\n\n\n\n
          • H\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed c\u00f3 t\u01b0\u01a1ng quan<\/li>\n\n\n\n
          • Si\u00eau d\u1eabn<\/li>\n\n\n\n
          • C\u00e1c hi\u1ec7n t\u01b0\u1ee3ng v\u1eadn chuy\u1ec3n l\u01b0\u1ee3ng t\u1eed<\/li>\n<\/ul>\n\n\n\n

            Do hBN g\u00e2y ra r\u1ea5t \u00edt nhi\u1ec5u \u0111i\u1ec7n t\u1eed, n\u00ean n\u00f3 \u0111\u00e3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u n\u1ec1n t\u1ea3ng cho c\u00e1c thi\u1ebft b\u1ecb l\u01b0\u1ee3ng t\u1eed th\u00ed nghi\u1ec7m.<\/p>\n\n\n\n

            C\u00e1c \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c quang t\u1eed h\u1ecdc nano v\u00e0 quang \u0111i\u1ec7n t\u1eed tia c\u1ef1c t\u00edm s\u00e2u<\/h2>\n\n\n\n

            Ngo\u00e0i c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n t\u1eed, hBN c\u00f2n s\u1edf h\u1eefu nh\u1eefng t\u00ednh ch\u1ea5t quang h\u1ecdc \u0111\u00e1ng ch\u00fa \u00fd.<\/p>\n\n\n\n

            V\u1eadt li\u1ec7u n\u00e0y h\u1ed7 tr\u1ee3 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c phonon-polariton \u2013 nh\u1eefng tr\u1ea1ng th\u00e1i k\u00edch th\u00edch lai gi\u1eefa \u00e1nh s\u00e1ng v\u00e0 v\u1eadt ch\u1ea5t, cho ph\u00e9p \u0111i\u1ec1u khi\u1ec3n s\u00f3ng \u0111i\u1ec7n t\u1eeb \u1edf quy m\u00f4 nano. Kh\u1ea3 n\u0103ng n\u00e0y \u0111\u00e3 thu h\u00fat s\u1ef1 quan t\u00e2m \u0111\u00e1ng k\u1ec3 trong c\u00e1c l\u0129nh v\u1ef1c quang t\u1eed h\u1ecdc nano, v\u1eadt li\u1ec7u si\u00eau quang h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 h\u1ed3ng ngo\u1ea1i.<\/p>\n\n\n\n

            Ngo\u00e0i ra, hBN c\u00f2n ph\u00e1t x\u1ea1 \u1edf r\u00eca d\u1ea3i tia c\u1ef1c t\u00edm s\u00e2u (DUV) g\u1ea7n 215 nm, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t \u1ee9ng c\u1eed vi\u00ean \u0111\u1ea7y h\u1ee9a h\u1eb9n cho:<\/p>\n\n\n\n

              \n
            • Ngu\u1ed3n s\u00e1ng tia c\u1ef1c t\u00edm<\/li>\n\n\n\n
            • C\u1ea3m bi\u1ebfn tia UV<\/li>\n\n\n\n
            • H\u1ec7 th\u1ed1ng c\u1ea3m bi\u1ebfn quang h\u1ecdc<\/li>\n\n\n\n
            • C\u00e1c thi\u1ebft b\u1ecb quang t\u1eed ti\u00ean ti\u1ebfn<\/li>\n<\/ul>\n\n\n\n

              Khi nhu c\u1ea7u v\u1ec1 c\u00e1c c\u00f4ng ngh\u1ec7 tia c\u1ef1c t\u00edm nh\u1ecf g\u1ecdn ng\u00e0y c\u00e0ng t\u0103ng, hBN \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd \u0111\u00f3ng vai tr\u00f2 ng\u00e0y c\u00e0ng quan tr\u1ecdng.<\/p>\n\n\n\n

              Nh\u1eefng th\u00e1ch th\u1ee9c v\u00e0 tri\u1ec3n v\u1ecdng trong t\u01b0\u01a1ng lai<\/h2>\n\n\n\n

              M\u1eb7c d\u00f9 c\u00f3 ti\u1ec1m n\u0103ng to l\u1edbn, vi\u1ec7c s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn c\u00e1c tinh th\u1ec3 \u0111\u01a1n hBN ch\u1ea5t l\u01b0\u1ee3ng cao v\u1eabn c\u00f2n l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n

              \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc tinh th\u1ec3 l\u1edbn, m\u1eadt \u0111\u1ed9 khuy\u1ebft t\u1eadt th\u1ea5p v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh, c\u1ea7n ph\u1ea3i \u00e1p d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt nu\u00f4i c\u1ea5y tinh vi v\u00e0 ki\u1ec3m so\u00e1t quy tr\u00ecnh m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. C\u00f9ng v\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t, ngu\u1ed3n cung hBN \u0111\u1ea1t ti\u00eau chu\u1ea9n thi\u1ebft b\u1ecb d\u1ef1 ki\u1ebfn s\u1ebd t\u0103ng l\u00ean, t\u1eeb \u0111\u00f3 th\u00fac \u0111\u1ea9y vi\u1ec7c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n trong c\u1ea3 l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

              Nhi\u1ec1u chuy\u00ean gia cho r\u1eb1ng hBN s\u1ebd ti\u1ebfp t\u1ee5c l\u00e0 v\u1eadt li\u1ec7u n\u1ec1n t\u1ea3ng cho nh\u1eefng b\u01b0\u1edbc ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai trong c\u00e1c l\u0129nh v\u1ef1c m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed, ch\u1ea5t b\u00e1n d\u1eabn ti\u00ean ti\u1ebfn, quang \u0111i\u1ec7n t\u1eed v\u00e0 h\u1ec7 th\u1ed1ng v\u1eadt li\u1ec7u hai chi\u1ec1u.<\/p>\n\n\n\n

              K\u1ebft lu\u1eadn<\/h2>\n\n\n\n

              Tinh th\u1ec3 \u0111\u01a1n hBN c\u1ea5p thi\u1ebft b\u1ecb kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u nghi\u00ean c\u1ee9u chuy\u00ean d\u1ee5ng. S\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o gi\u1eefa \u0111\u1ed9 ph\u1eb3ng nguy\u00ean t\u1eed, t\u00ednh c\u00e1ch \u0111i\u1ec7n, t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc, t\u00ednh n\u0103ng quang h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c v\u1eadt li\u1ec7u hai chi\u1ec1u kh\u00e1c \u0111\u00e3 bi\u1ebfn n\u00f3 th\u00e0nh m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u n\u1ec1n t\u1ea3ng quan tr\u1ecdng nh\u1ea5t trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

              T\u1eeb c\u00e1c b\u00f3ng b\u00e1n d\u1eabn graphene v\u00e0 c\u1ea5u tr\u00fac d\u1ecb ch\u1ea5t van der Waals cho \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb l\u01b0\u1ee3ng t\u1eed v\u00e0 c\u00f4ng ngh\u1ec7 quang t\u1eed tia c\u1ef1c t\u00edm s\u00e2u, hBN \u0111\u1ea1t ti\u00eau chu\u1ea9n thi\u1ebft b\u1ecb ti\u1ebfp t\u1ee5c m\u1edf r\u1ed9ng ranh gi\u1edbi c\u1ee7a nh\u1eefng g\u00ec c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn. Khi th\u1ebf h\u1ec7 ti\u1ebfp theo c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed v\u00e0 quang t\u1eed d\u1ea7n xu\u1ea5t hi\u1ec7n, t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c tinh th\u1ec3 \u0111\u01a1n hBN ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u01b0\u1ee3c d\u1ef1 b\u00e1o s\u1ebd ng\u00e0y c\u00e0ng gia t\u0103ng.<\/p>","protected":false},"excerpt":{"rendered":"

              As the fields of two-dimensional (2D) materials, quantum devices, and next-generation semiconductors continue to evolve, one material has emerged as a critical foundation for many of the most promising technological breakthroughs: Device-Grade Hexagonal Boron Nitride (hBN) Single Crystal. Often referred to as the \u201cideal companion\u201d to graphene, high-quality hBN has become indispensable in the fabrication […]<\/p>\n","protected":false},"author":1,"featured_media":2370,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4],"tags":[711,698,697,706,704,705,708,699,712,703,700,701,707,702,709,710,713],"class_list":["post-2372","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-insights","tag-2d-materials","tag-boron-nitride-single-crystal","tag-device-grade-hbn","tag-device-grade-hbn-single-crystal","tag-graphene-electronics","tag-graphene-encapsulation","tag-graphene-substrate","tag-hbn-crystal","tag-hbn-single-crystal","tag-hbn-substrate","tag-hexagonal-boron-nitride","tag-high-mobility-graphene","tag-quantum-devices","tag-quantum-electronics","tag-quantum-materials","tag-two-dimensional-materials","tag-van-der-waals-heterostructures"],"_links":{"self":[{"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/posts\/2372","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/comments?post=2372"}],"version-history":[{"count":1,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/posts\/2372\/revisions"}],"predecessor-version":[{"id":2373,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/posts\/2372\/revisions\/2373"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/media\/2370"}],"wp:attachment":[{"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/media?parent=2372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/categories?post=2372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/vi\/wp-json\/wp\/v2\/tags?post=2372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}