Ultrahigh-resolution photoemission spectroscopy of Ni borocarbides

direct observation of the superconducting gap and a change in gap anisotropy by impurity

Takayoshi Yokoya, T. Kiss, T. Watanabe, S. Shin, Minoru Nohara, H. Takagi, T. Oguchi

Research output: Contribution to journalArticle

79 Citations (Scopus)

Abstract

The superconducting gaps (SGs) of YNi2B2C and Y(Ni0.8Pt0.2)2CB2C were studied using ultrahigh-resolution photoemission (PE) spectroscopy. A small but important difference in spectral shape was observed and attributed to the change in anisotropy of the SG between x=0.0 and 0.2 compounds.

Original languageEnglish
Pages (from-to)4952-4955
Number of pages4
JournalPhysical Review Letters
Volume85
Issue number23
DOIs
Publication statusPublished - Dec 4 2000
Externally publishedYes

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photoelectric emission
impurities
anisotropy
spectroscopy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Ultrahigh-resolution photoemission spectroscopy of Ni borocarbides : direct observation of the superconducting gap and a change in gap anisotropy by impurity. / Yokoya, Takayoshi; Kiss, T.; Watanabe, T.; Shin, S.; Nohara, Minoru; Takagi, H.; Oguchi, T.

In: Physical Review Letters, Vol. 85, No. 23, 04.12.2000, p. 4952-4955.

Research output: Contribution to journalArticle

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