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作者:

Liu, Hongliang (Liu, Hongliang.) | Guo, Zhiying (Guo, Zhiying.) | Yuan, Xiaofeng (Yuan, Xiaofeng.) | Zhu, Zunwei (Zhu, Zunwei.) | Gao, Qianqian (Gao, Qianqian.) | Zhang, Xin (Zhang, Xin.)

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EI Scopus SCIE

摘要:

The field emission tip arrays with sub-100 nm apices (nanoFEAs) on single crystal cerium hexaboride (CeB6) surface were fabricated by the focused ion beam (FIB) milling microtechnology. The surface morphologies and field emissions of the nanoFEAs are systematically characterized. FIB milling, similar to the physical stripping process, can fabricate the nanoFEAs single crystal CeB6 with uniform morphologies. The nanoFEAs with sharp tips of size about 50 nm demonstrate the lowest turn-on electric fields (2.0 V/mu m), as well as a high current ( > 1 mA) at the field of 6.7 V/mu m and a high stable emission current. Such excellent performances make CeB6 nanoFEAs promising candidates for application in field emission electronics.

关键词:

field emission nanoFEAs Single crystal CeB6 focused ion beam

作者机构:

  • [ 1 ] [Liu, Hongliang]Anyang Inst Technol, Sch Mat Sci & Engn, Anyang 455000, Peoples R China
  • [ 2 ] [Guo, Zhiying]Anyang Inst Technol, Sch Mat Sci & Engn, Anyang 455000, Peoples R China
  • [ 3 ] [Yuan, Xiaofeng]Anyang Inst Technol, Sch Mat Sci & Engn, Anyang 455000, Peoples R China
  • [ 4 ] [Zhu, Zunwei]Anyang Inst Technol, Sch Mat Sci & Engn, Anyang 455000, Peoples R China
  • [ 5 ] [Gao, Qianqian]Anyang Inst Technol, Sch Mat Sci & Engn, Anyang 455000, Peoples R China
  • [ 6 ] [Liu, Hongliang]Engn Beijing Univ Technol, Sch Mat Sci, Key Lab Adv Funct Mat Educ Minist, Beijing 100124, Peoples R China
  • [ 7 ] [Zhang, Xin]Engn Beijing Univ Technol, Sch Mat Sci, Key Lab Adv Funct Mat Educ Minist, Beijing 100124, Peoples R China

通讯作者信息:

  • [Liu, Hongliang]Anyang Inst Technol, Sch Mat Sci & Engn, Anyang 455000, Peoples R China;;

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来源 :

FUNCTIONAL MATERIALS LETTERS

ISSN: 1793-6047

年份: 2023

期: 01

卷: 16

1 . 3 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:26

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