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Abstract:
采用水冷阳极平板二极管结构测试了含钪扩散阴极,结果表明,它有比其它扩散阴极更大的发射电流密度.在849℃(亮度温度),利用亚微米粉体制备的含钪阴极的功函数约为1.55 ev,电子发射常数为1.126 A/cm2K2.同时,采用米拉曲线讨论了这类阴极的欠热特性和电子发射性能.
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Source :
真空电子技术
ISSN: 1002-8935
Year: 2006
Issue: 5
Page: 14-18
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 5
Chinese Cited Count:
30 Days PV: 4
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