Upper critical field in Ba1-xKxBiO3: Magnetotransport vs. magnetotunneling

P. Samuely; P. Szabó; T. Klein; A. G.M. Jansen; J. Marcus; C. Escribe-Filippini; P. Wyder

doi:10.1209/epl/i1998-00132-1

Upper critical field in Ba_1-xK_xBiO₃: Magnetotransport vs. magnetotunneling

P. Samuely, P. Szabó, T. Klein, A. G.M. Jansen, J. Marcus, C. Escribe-Filippini, P. Wyder

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

Abstract

Elastic tunneling is used as a powerful direct tool to determine the upper critical field H_c2(T) in the high-T_c oxide Ba_1-xK_xBiO₃. The temperature dependence of H_c2 inferred from the tunneling follows the Werthamer-Helfand-Hohenberg prediction for type-II superconductors. A comparison will be made with resistively determined critical-field data.

Original language	English
Pages (from-to)	207-212
Number of pages	6
Journal	EPL
Volume	41
Issue number	2
DOIs	https://doi.org/10.1209/epl/i1998-00132-1
Publication status	Published - 15 Jan 1998
Externally published	Yes

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title = "Upper critical field in Ba1-xKxBiO3: Magnetotransport vs. magnetotunneling",

abstract = "Elastic tunneling is used as a powerful direct tool to determine the upper critical field Hc2(T) in the high-Tc oxide Ba1-xKxBiO3. The temperature dependence of Hc2 inferred from the tunneling follows the Werthamer-Helfand-Hohenberg prediction for type-II superconductors. A comparison will be made with resistively determined critical-field data.",

author = "P. Samuely and P. Szab{\'o} and T. Klein and Jansen, \{A. G.M.\} and J. Marcus and C. Escribe-Filippini and P. Wyder",

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AU - Samuely, P.

AU - Szabó, P.

AU - Klein, T.

AU - Jansen, A. G.M.

AU - Marcus, J.

AU - Escribe-Filippini, C.

AU - Wyder, P.

PY - 1998/1/15

Y1 - 1998/1/15

N2 - Elastic tunneling is used as a powerful direct tool to determine the upper critical field Hc2(T) in the high-Tc oxide Ba1-xKxBiO3. The temperature dependence of Hc2 inferred from the tunneling follows the Werthamer-Helfand-Hohenberg prediction for type-II superconductors. A comparison will be made with resistively determined critical-field data.

AB - Elastic tunneling is used as a powerful direct tool to determine the upper critical field Hc2(T) in the high-Tc oxide Ba1-xKxBiO3. The temperature dependence of Hc2 inferred from the tunneling follows the Werthamer-Helfand-Hohenberg prediction for type-II superconductors. A comparison will be made with resistively determined critical-field data.

U2 - 10.1209/epl/i1998-00132-1

DO - 10.1209/epl/i1998-00132-1

M3 - Article

AN - SCOPUS:0032518081

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VL - 41

SP - 207

EP - 212

JO - EPL

JF - EPL

IS - 2

ER -

Upper critical field in Ba1-xKxBiO3: Magnetotransport vs. magnetotunneling

Abstract

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Upper critical field in Ba_1-xK_xBiO₃: Magnetotransport vs. magnetotunneling