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Abstract:
利用化学镀方法对多壁碳纳米管(multi-walled carbon nanotubes, MWNTs)表面金属化镀镍(MWNTs/Ni),采用丝网印刷制备MWNTs/Ni场发射阴极,并在磁场辅助下热处理所得阴极,研究磁场辅助热处理对MWNTs/Ni阴极的场发射性能的影响.经300 mT磁场辅助热处理的MWNTs/Ni的场发射阴极开启场强约为0.80 V·μm-1,场增强因子β约为16068.对单根MWNTs/Ni在磁场中的受力情况进行建模分析,实验结果表明:磁场辅助热处理有助于提高MWNTs/Ni在阴极表面的直立分布,提高了MWNTs/Ni的场发射性能.
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物理学报
ISSN: 1000-3290
Year: 2014
Issue: 8
Page: 086802-1-086802-7
0 . 8 1 3
JCR@2014
0 . 8 0 0
JCR@2023
ESI Discipline: PHYSICS;
ESI HC Threshold:213
JCR Journal Grade:3
CAS Journal Grade:4
Cited Count:
SCOPUS Cited Count: 1
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 2
Affiliated Colleges: