Manifestations of inhomogeneity in MgB2: From specific heat to tunnel measurements

T. Ekino; A. M. Gabovich; Mai Suan Li; T. Takasaki; A. I. Voitenko; J. Akimitsu; H. Fujii; T. Muranaka; M. Pȩkała; H. Szymczak

doi:10.1016/j.physb.2005.01.097

Manifestations of inhomogeneity in MgB₂: From specific heat to tunnel measurements

T. Ekino, A. M. Gabovich, Mai Suan Li, T. Takasaki, A. I. Voitenko, J. Akimitsu, H. Fujii, T. Muranaka, M. Pȩkała, H. Szymczak

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

Tunnel conductances of superconducting polycrystalline MgB₂ samples were measured by the break-junction technique. Three main gap-like peculiarities are observed, while other ones scatter from sample to sample. These results correlate with heat capacity measurements, an analysis which shows a wide range of energy gaps involved.

Original language	English
Pages (from-to)	460-462
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	359-361
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.physb.2005.01.097
Publication status	Published - Apr 30 2005
Externally published	Yes

Keywords

Break junction
Heat capacity
MgB
Tunnel spectra

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/j.physb.2005.01.097

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Ekino, T., Gabovich, A. M., Suan Li, M., Takasaki, T., Voitenko, A. I., Akimitsu, J., Fujii, H., Muranaka, T., Pȩkała, M., & Szymczak, H. (2005). Manifestations of inhomogeneity in MgB₂: From specific heat to tunnel measurements. Physica B: Condensed Matter, 359-361(SPEC. ISS.), 460-462. https://doi.org/10.1016/j.physb.2005.01.097

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T2 - From specific heat to tunnel measurements

AU - Ekino, T.

AU - Gabovich, A. M.

AU - Suan Li, Mai

AU - Takasaki, T.

AU - Voitenko, A. I.

AU - Akimitsu, J.

AU - Fujii, H.

AU - Muranaka, T.

AU - Pȩkała, M.

AU - Szymczak, H.

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KW - MgB

KW - Tunnel spectra

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