Multiterminal measurements of vortex correlations in the (K,Ba)BiO3 system

A. Rydh; T. Klein; I. Joumard; Ö Rapp

doi:10.1016/S0921-4534(00)01136-9

Multiterminal measurements of vortex correlations in the (K,Ba)BiO₃ system

A. Rydh, T. Klein, I. Joumard, Ö Rapp

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

Abstract

We have studied vortex correlations in single crystals of Ba_1-xK_xBiO₃ by means of multiterminal transport measurements in magnetic fields up to 12 T. The pseudo flux-transformer geometry was used to probe the vortex correlations in the vortex liquid as a function of temperature and field. The vortex system is found to be correlated over the sample thickness just above the onset of resistivity for low to intermediate applied fields. The observed loss of vortex correlation at higher fields is attributed to pinning.

Original language	English
Pages (from-to)	1233-1234
Number of pages	2
Journal	Physica C: Superconductivity and its Applications
Volume	341-348
Issue number	PART 3
DOIs	https://doi.org/10.1016/S0921-4534(00)01136-9
Publication status	Published - 1 Jan 2000
Externally published	Yes

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10.1016/S0921-4534(00)01136-9

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title = "Multiterminal measurements of vortex correlations in the (K,Ba)BiO3 system",

abstract = "We have studied vortex correlations in single crystals of Ba1-xKxBiO3 by means of multiterminal transport measurements in magnetic fields up to 12 T. The pseudo flux-transformer geometry was used to probe the vortex correlations in the vortex liquid as a function of temperature and field. The vortex system is found to be correlated over the sample thickness just above the onset of resistivity for low to intermediate applied fields. The observed loss of vortex correlation at higher fields is attributed to pinning.",

author = "A. Rydh and T. Klein and I. Joumard and {\"O} Rapp",

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AU - Rydh, A.

AU - Klein, T.

AU - Joumard, I.

AU - Rapp, Ö

PY - 2000/1/1

Y1 - 2000/1/1

N2 - We have studied vortex correlations in single crystals of Ba1-xKxBiO3 by means of multiterminal transport measurements in magnetic fields up to 12 T. The pseudo flux-transformer geometry was used to probe the vortex correlations in the vortex liquid as a function of temperature and field. The vortex system is found to be correlated over the sample thickness just above the onset of resistivity for low to intermediate applied fields. The observed loss of vortex correlation at higher fields is attributed to pinning.

AB - We have studied vortex correlations in single crystals of Ba1-xKxBiO3 by means of multiterminal transport measurements in magnetic fields up to 12 T. The pseudo flux-transformer geometry was used to probe the vortex correlations in the vortex liquid as a function of temperature and field. The vortex system is found to be correlated over the sample thickness just above the onset of resistivity for low to intermediate applied fields. The observed loss of vortex correlation at higher fields is attributed to pinning.

U2 - 10.1016/S0921-4534(00)01136-9

DO - 10.1016/S0921-4534(00)01136-9

M3 - Article

AN - SCOPUS:0343832340

SN - 0921-4534

VL - 341-348

SP - 1233

EP - 1234

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

IS - PART 3

ER -

Multiterminal measurements of vortex correlations in the (K,Ba)BiO3 system

Abstract

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Multiterminal measurements of vortex correlations in the (K,Ba)BiO₃ system