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

KTH Royal Institute of Technology
Institut NÉEL

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

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.

langue originale	Anglais
Pages (de - à)	1233-1234
Nombre de pages	2
journal	Physica C: Superconductivity and its Applications
Volume	341-348
Numéro de publication	PART 3
Les DOIs	https://doi.org/10.1016/S0921-4534(00)01136-9
état	Publié - 1 janv. 2000
Modification externe	Oui

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10.1016/S0921-4534(00)01136-9

Contient cette citation

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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.",

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AU - Joumard, I.

AU - Rapp, Ö

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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.

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

M3 - Article

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SN - 0921-4534

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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

Résumé

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Contient cette citation

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