Construction of a low-temperature gun and high-resolution field emission spectra from a Nb superconductor

C. Oshima; H. Fujii; T. Yamashita; S. Uchiyama; M. Yamada; K. Nagaoka; T. Sakurai

doi:10.1016/S0169-4332(99)00043-4

Construction of a low-temperature gun and high-resolution field emission spectra from a Nb superconductor

C. Oshima, H. Fujii, T. Yamashita, S. Uchiyama, M. Yamada, K. Nagaoka, T. Sakurai

Waseda University

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

To investigate the fine structures in high-resolution field electron emission (FE) spectra from superconductors, we have constructed new apparatuses including a low-temperature FE gun, which can be operated at about 2.2 K. The FE patterns have been observed with an optical-fiber measuring system and the electrons emitted in the direction of the tip axis are analyzed with the resolution of approximately 1 meV. By using this experimental apparatus, we have observed a sharp peak at the Fermi level in FE spectra from a niobium superconducting emitter.

Original language	English
Pages (from-to)	143-147
Number of pages	5
Journal	Applied Surface Science
Volume	146
Issue number	1
DOIs	https://doi.org/10.1016/S0169-4332(99)00043-4
Publication status	Published - 1999 May

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ASJC Scopus subject areas

Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Condensed Matter Physics

Cite this

Oshima, C., Fujii, H., Yamashita, T., Uchiyama, S., Yamada, M., Nagaoka, K., & Sakurai, T. (1999). Construction of a low-temperature gun and high-resolution field emission spectra from a Nb superconductor. Applied Surface Science, 146(1), 143-147. https://doi.org/10.1016/S0169-4332(99)00043-4

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AU - Sakurai, T.

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10.1016/S0169-4332(99)00043-4