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Author:

Li, Ya-Nan (Li, Ya-Nan.) | Wang, Ru-Zhi (Wang, Ru-Zhi.) (Scholars:王如志) | Su, Chao-Hua (Su, Chao-Hua.) | Shen, Zhen (Shen, Zhen.) | Zhang, Yue-Fei (Zhang, Yue-Fei.) (Scholars:张跃飞) | Yan, Hui (Yan, Hui.)

Indexed by:

EI Scopus SCIE

Abstract:

In this work, Field emission (FE) properties of mixed phase amorphous boron nitride (BN) nanofilms prepared by plasma enhanced chemical vapor deposition (PECVD) were thoroughly investigated. The results showed that, for mixed amorphous BN nanofilms with a little cubic boron nitride (c-BN) and wurtzite boron nitride (w-BN) nanocrystalline, the turn on field of the nanofilms is as low as similar to 0.5 V/mu m and the FE current density can reach similar to 12 mA/cm(2) when the electrical field is only 0.75 V/mu m. However, for primary cubic phase nanocrystalline BN films, the FE current density is only 500 mu A/cm(2); at as high as about 2.5 V/mu m. Moreover, the field emission mechanism of the phase amorphous BN nanofilms was further discussed. Field emission enhancement for mixed phase amorphous BN may be originated from electron step-transport in different energy states and multi-channel electron transport in nanocrystalline interface. (C) 2017 Elsevier B. V. All rights reserved.

Keyword:

Threshold field BN nanofilm Mixed amorphous Field emission PECVD

Author Community:

  • [ 1 ] [Li, Ya-Nan]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Ru-Zhi]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Su, Chao-Hua]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Shen, Zhen]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Yan, Hui]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 6 ] [Zhang, Yue-Fei]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China

Reprint Author's Address:

  • 王如志

    [Wang, Ru-Zhi]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

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Source :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

Year: 2017

Volume: 705

Page: 734-739

6 . 2 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:287

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 11

SCOPUS Cited Count: 11

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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