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One-dimensional germanium nanostructures--formation and their electron field emission properties.

Authors
  • Wu, Hung-Chi
  • Hou, Te-Chien
  • Chueh, Yu-Lun
  • Chen, Lih-Juann
  • Chiu, Hsin-Tien
  • Lee, Chi-Young
Type
Published Article
Journal
Nanotechnology
Publisher
IOP Publishing
Publication Date
Nov 12, 2010
Volume
21
Issue
45
Pages
455601–455601
Identifiers
DOI: 10.1088/0957-4484/21/45/455601
PMID: 20947940
Source
Medline
License
Unknown

Abstract

Ge nanostructures were synthesized by reduction of GeO(2) in H(2) atmosphere at various temperatures. Entangled and straight Ge nanowires with oxide shells were grown at high temperatures. Ge nanowires with various numbers of nodules were obtained at low temperatures. Ge nanowires without nodules exhibited remarkable field emission properties with a turn-on field of 4.6 V µm(-1) and field enhancement factor of 1242.

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