Field emission mechanism from nanocrystalline cubic boron nitride films - 文章详情页

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Scopus

摘要：

An　electron-emission　theoretical　model　integrating　the　change　in　the　grain　size　of　nanocrystalline　cubic　boron　nitride　(c-BN)　thin　films　was　established.　To　understand　better　the　essence　of　field　emission,　an　accurate　numerical　scheme,　the　transfer　matrix　method,　that　can　be　used　to　compute　the　tunneling　coefficients　of　the　actual　surface　barrier,　was　also　adopted.　The　present　results　show　that　the　emission　current　from　nanocrystalline　grain　films　is　far　larger　than　that　from　regular　grain　films　or　bulk　c-BN.　©　2003　Elsevier　Ltd.　All　rights　reserved.

关键词：

Cubic boron nitride; Field emission

作者机构：

[ 1 ] [Wang, B.]Key Lab. of Adv. Funct. Materials, China Education Ministry, Beijing Polytechnic University, Beijing 100022, China
[ 2 ] [Wang, R.Z.]Key Lab. of Adv. Funct. Materials, China Education Ministry, Beijing Polytechnic University, Beijing 100022, China
[ 3 ] [Zhou, H.]Key Lab. of Adv. Funct. Materials, China Education Ministry, Beijing Polytechnic University, Beijing 100022, China
[ 4 ] [Yan, X.H.]Key Lab. of Adv. Funct. Materials, China Education Ministry, Beijing Polytechnic University, Beijing 100022, China
[ 5 ] [Yan, X.H.]Department of Physics, Xiangtan University, Xiangtan 411105, Hunan, China
[ 6 ] [Cao, J.X.]Department of Physics, Xiangtan University, Xiangtan 411105, Hunan, China
[ 7 ] [Wang, H.]Key Lab. of Adv. Funct. Materials, China Education Ministry, Beijing Polytechnic University, Beijing 100022, China
[ 8 ] [Yan, H.]Key Lab. of Adv. Funct. Materials, China Education Ministry, Beijing Polytechnic University, Beijing 100022, China

通讯作者信息：

[Yan, H.]Key Lab. of Adv. Funct. Materials, China Education Ministry, Beijing Polytechnic University, Beijing 100022, China

电子邮件地址：

hyan@bjpu.edu.cn

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