Field emission current from high-Tc ceramic cathodes

被引：0

作者：

Ziaja, J ^{[1
]}

Zylka, P ^{[1
]}

机构：

[1] Univ Wroclaw, Inst Electrotech & Electrotechnol Fundamentals, PL-50138 Wroclaw, Poland

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 1999年 / 6卷 / 04期

关键词：

D O I：

10.1109/94.788743

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work the result of emission phenomena investigations are presented. Experiments were conducted for high-T-c superconducting ceramics YBaCuO and BiPbSrCaCuO. Fowler-Nordheim characteristics and the current-temperature dependencies were observed for superconducting and non-superconducting cathodes. It was noticed that the emission current value abruptly changed in the vicinity of the critical temperature. All measurements were done in a vacuum chamber at 10(-6) Pa. X-ray diffraction analysis and scanning electron microscopy examination of the ceramic electrodes were performed also.

引用

页码：450 / 454

页数：5

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