Superconducting gap in MgB2: Electronic raman scattering measurements of single crystals

J. W. Quilty; S. Lee; A. Yamamoto; S. Tajima

Superconducting gap in MgB₂: Electronic raman scattering measurements of single crystals

J. W. Quilty, S. Lee, A. Yamamoto, S. Tajima

Research output: Contribution to journal › Article › peer-review

Abstract

The temperature and polarization dependence of the 2Δ pair breaking peak in the in-plane electronic Raman continuum of MgB₂ single crystals was measured. It was possible to identify only one gap feature in the in-plane Raman spectra, and attribute structure below the pair breaking seen in the poorer crystal to surface defects.

Original language	English
Pages (from-to)	087001/1-087001/4
Journal	Physical Review Letters
Volume	88
Issue number	8
Publication status	Published - 2002 Feb 25
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Superconducting gap in MgB2: Electronic raman scattering measurements of single crystals",

abstract = "The temperature and polarization dependence of the 2Δ pair breaking peak in the in-plane electronic Raman continuum of MgB2 single crystals was measured. It was possible to identify only one gap feature in the in-plane Raman spectra, and attribute structure below the pair breaking seen in the poorer crystal to surface defects.",

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AU - Tajima, S.

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N2 - The temperature and polarization dependence of the 2Δ pair breaking peak in the in-plane electronic Raman continuum of MgB2 single crystals was measured. It was possible to identify only one gap feature in the in-plane Raman spectra, and attribute structure below the pair breaking seen in the poorer crystal to surface defects.

AB - The temperature and polarization dependence of the 2Δ pair breaking peak in the in-plane electronic Raman continuum of MgB2 single crystals was measured. It was possible to identify only one gap feature in the in-plane Raman spectra, and attribute structure below the pair breaking seen in the poorer crystal to surface defects.

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