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作者:

Zhao, Wei (Zhao, Wei.) | Wang, Ru-Zhi (Wang, Ru-Zhi.) (学者:王如志) | Song, Xue-Mei (Song, Xue-Mei.) | Wang, Hao (Wang, Hao.) | Wang, Bo (Wang, Bo.) (学者:王波) | Yan, Hui (Yan, Hui.) | Chu, Paul K. (Chu, Paul K..)

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EI Scopus SCIE

摘要:

A series of nanostructured GaN Films have been prepared on Si substrates. Field emission measurements show that the oriented nanostructured GaN film with a thickness of 40 nm has an ultralow threshold field of 1.2 V/mu m at 1 mA/cm(2) and yields a stable emission current of 40 mA/cm(2) at 2.8 V/mu m, which is comparable to those of carbon nanotubes. A polarization field emission enhancement mechanism with ballistic electron transport is proposed to explain the origin of this ultralow-threshold field emission phenomenon.

关键词:

III-V semiconductors electron field emission nanostructured materials gallium compounds semiconductor thin films ballistic transport

作者机构:

  • [ 1 ] [Zhao, Wei]Beijing Univ Technol, Coll Mat Sci & Engn, Lab Thin Film Mat, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Ru-Zhi]Beijing Univ Technol, Coll Mat Sci & Engn, Lab Thin Film Mat, Beijing 100124, Peoples R China
  • [ 3 ] [Song, Xue-Mei]Beijing Univ Technol, Coll Mat Sci & Engn, Lab Thin Film Mat, Beijing 100124, Peoples R China
  • [ 4 ] [Wang, Hao]Beijing Univ Technol, Coll Mat Sci & Engn, Lab Thin Film Mat, Beijing 100124, Peoples R China
  • [ 5 ] [Wang, Bo]Beijing Univ Technol, Coll Mat Sci & Engn, Lab Thin Film Mat, Beijing 100124, Peoples R China
  • [ 6 ] [Yan, Hui]Beijing Univ Technol, Coll Mat Sci & Engn, Lab Thin Film Mat, Beijing 100124, Peoples R China
  • [ 7 ] [Wang, Ru-Zhi]City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China
  • [ 8 ] [Chu, Paul K.]City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China

通讯作者信息:

  • [Zhao, Wei]Beijing Univ Technol, Coll Mat Sci & Engn, Lab Thin Film Mat, Beijing 100124, Peoples R China

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来源 :

APPLIED PHYSICS LETTERS

ISSN: 0003-6951

年份: 2010

期: 9

卷: 96

4 . 0 0 0

JCR@2022

ESI学科: PHYSICS;

JCR分区:1

中科院分区:2

被引次数:

WoS核心集被引频次: 16

SCOPUS被引频次: 15

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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