| 三种含钽化合物场发射阴极 |
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| 引用本文： | 姜祥祺,加藤隆男. 三种含钽化合物场发射阴极[J]. 应用科学学报, 1986, 4(2): 126-131 |
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| 作者姓名： | 姜祥祺 加藤隆男 |
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| 作者单位： | 1. 复旦大学;2. 日电爱年华公司 |
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| 摘 要： | 采用电解腐蚀工艺制得了形态良好的钽场发射阴极针尖,其高度小于0.1mm,曲率半径在0.1~0.5μm间.再利用在钽针尖上的固-气相反应法,制得钽芯氮化钽、炭化钽和炭化氮化钽三种场发射阴极,给出了它们的场发射图象和有关场发射特性的实验数据.实验结果表明含钽化合物是一类性能良好的场发射阴极材料.
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| 收稿时间： | 1984-05-30 |
| 修稿时间： | 1985-01-08 |
THREE CATHODES OF TANTALUM COMPOUNDS FOR FIELD-EMISSION GUNS |
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| JIANG XIANGQI,KATO TAKEO. THREE CATHODES OF TANTALUM COMPOUNDS FOR FIELD-EMISSION GUNS[J]. Journal of Applied Sciences, 1986, 4(2): 126-131 |
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| Authors: | JIANG XIANGQI KATO TAKEO |
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| Affiliation: | 1. Fudan University;2. Anelva Corp., Tokyo, Japan |
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| Abstract: | Tantalum tips with radius 0.1-0.5μm had been prepared by electrochemical etching, and then field-emission cathodes of tantalum nitride (Ta2N) tantalum carbide (Ta C), and tantalum carbide-nitride (TaNxCy) with Ta-core were prepared by solidgas reaction on the surface of Ta tips. Typical field-emission patterns and work functions Regarding fild-emission characteristics were given. It is shown that tantalum compounds are promising materials for field emitters. |
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