Carbon nanotube cold cathodes for miniature X-ray tubes

被引：0

作者：

Sessa, V. ^{[1
]}

Ciorba, A. ^{[2
]}

Flori, A. ^{[1
]}

Lucci, M. ^{[1
]}

Orlanducci, S. ^{[1
]}

Tamburri, E. ^{[1
]}

Terranova, M. L. ^{[1
]}

Cappuccio, G. ^{[3
]}

Hampai, D. ^{[3
]}

Cialdi, S. ^{[4
]}

Rossi, M. ^{[2
,5
]}

机构：

[1] Univ Roma Tor Vergata, Ist Nazl Fis Nucl, Dipartimento Sci & Tecnol Chim, MINASlab, Via Ric Sci 1, I-00133 Rome, Italy

[2] Univ Roma Tor Vergata, Dip Energet, I-00100 Rome, Italy

[3] CNR, ISMN, I-00016 Monterotondo, Italy

[4] Univ Milan, Dip Fis, I-20133 Milan, Italy

[5] Ist Nazl Fis Nucl, I-20133 Milan, Italy

来源：

INTERNATIONAL CONFERENCE ON CHARGED AND NEUTRAL PARTICLES CHANNELING PHENOMENA II - CHANNELING 2006 | 2007年 / 6634卷

关键词：

D O I：

10.1117/12.742071

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The field emission properties of single-walled carbon nanotubes deposited by chemical vapour deposition on plane substrates and on wires have been investigated. The good emitting performances of the nanotubes are promising for the assembling of robust and efficient cold cathodes, and in particular for the use as an electron source for X-ray production. Tiny electron sources have been fabricated by coating metal wires (W, 300 mu m diameter) with nanotubes. To assess the efficiency of such nanotube-based cathodes for generating X radiation, a prototype X-ray tube has been fabricated. Preliminary measurements of X-ray emission obtained with such a device are presented.

引用

页数：9

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