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Author:

王金淑 (王金淑.) (Scholars:王金淑) | 周美玲 (周美玲.) | 张久兴 (张久兴.) | 聂祚仁 (聂祚仁.) (Scholars:聂祚仁) | 左铁镛 (左铁镛.) (Scholars:左铁镛)

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PKU CSCD

Abstract:

采用俄歇电子能谱法研究了Mo-La2O3阴极材料中La2O3向表面的富集过程.结果表明,在高温下,La2O3以La3+,O2-离子的形式分别向表面扩散,然后在表面上重新结合成分子.在1 123 K~1 423 K范围内,La3+,O2-离子的扩散系数分别为:DLa=3.670 3×10-16exp(-1.016 39×105/RT)m2/s;DO=1.512 2×10-16exp(-8.130 66×104/RT)m2/s.

Keyword:

阴极 La2O3 表面 Mo 富集

Author Community:

  • [ 1 ] [王金淑]北京大学
  • [ 2 ] [周美玲]北京工业大学
  • [ 3 ] [张久兴]北京工业大学
  • [ 4 ] [聂祚仁]北京工业大学
  • [ 5 ] [左铁镛]北京工业大学

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Source :

稀有金属材料与工程

ISSN: 1002-185X

Year: 2000

Issue: 5

Volume: 10

Page: 324-327

0 . 7 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 6

Chinese Cited Count:

30 Days PV: 1

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