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

Research output: Contribution to journalArticle

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 languageEnglish
Pages (from-to)143-147
Number of pages5
JournalApplied Surface Science
Volume146
Issue number1
DOIs
Publication statusPublished - 1999 May

Fingerprint

Electron emission
Field emission
electron emission
Superconducting materials
field emission
emission spectra
high resolution
Niobium
Temperature
Fermi level
niobium
Optical fibers
emitters
Temperature distribution
temperature distribution
optical fibers
fine structure
Electrons
electrons

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

Construction of a low-temperature gun and high-resolution field emission spectra from a Nb superconductor. / Oshima, C.; Fujii, H.; Yamashita, T.; Uchiyama, S.; Yamada, M.; Nagaoka, K.; Sakurai, T.

In: Applied Surface Science, Vol. 146, No. 1, 05.1999, p. 143-147.

Research output: Contribution to journalArticle

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, vol. 146, no. 1, pp. 143-147. https://doi.org/10.1016/S0169-4332(99)00043-4
Oshima, C. ; Fujii, H. ; Yamashita, T. ; Uchiyama, S. ; Yamada, M. ; Nagaoka, K. ; Sakurai, T. / Construction of a low-temperature gun and high-resolution field emission spectra from a Nb superconductor. In: Applied Surface Science. 1999 ; Vol. 146, No. 1. pp. 143-147.
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