The viscous flux flow and flux creep induced by pulsed magnetic field in YBCO disk

T. Kono; M. Tomita; M. Murakami; T. Takizawa

doi:10.1016/S0921-4534(01)00345-8

The viscous flux flow and flux creep induced by pulsed magnetic field in YBCO disk

T. Kono, M. Tomita, M. Murakami, T. Takizawa

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

7 Citations (Scopus)

Abstract

We have investigated the magnetic flux motion in a high quality YBCO disk induced by a pulsed magnetic field. The effect of static bias fields was also studied in the temperature range of 30-95 K. The flux flow resistivity ρ_f increased with increasing the pulsed magnetic field approximately according to the Bardeen-Stephen model, that is ρ_f/ρ_n ≈ B/B_c2. The viscosity coefficient η decreased with increasing temperature and static bias field.

Original language	English
Pages (from-to)	537-540
Number of pages	4
Journal	Physica C: Superconductivity and its applications
Volume	357-360
Issue number	SUPPL. 2
DOIs	https://doi.org/10.1016/S0921-4534(01)00345-8
Publication status	Published - 2001 Aug 1
Externally published	Yes

Keywords

Flow resistivity
Flux creep
Pulsed magnetic field
Viscosity coefficient
Viscous flux flow
YBCO

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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abstract = "We have investigated the magnetic flux motion in a high quality YBCO disk induced by a pulsed magnetic field. The effect of static bias fields was also studied in the temperature range of 30-95 K. The flux flow resistivity ρf increased with increasing the pulsed magnetic field approximately according to the Bardeen-Stephen model, that is ρf/ρn ≈ B/Bc2. The viscosity coefficient η decreased with increasing temperature and static bias field.",

keywords = "Flow resistivity, Flux creep, Pulsed magnetic field, Viscosity coefficient, Viscous flux flow, YBCO",

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T1 - The viscous flux flow and flux creep induced by pulsed magnetic field in YBCO disk

AU - Kono, T.

AU - Tomita, M.

AU - Murakami, M.

AU - Takizawa, T.

PY - 2001/8/1

Y1 - 2001/8/1

N2 - We have investigated the magnetic flux motion in a high quality YBCO disk induced by a pulsed magnetic field. The effect of static bias fields was also studied in the temperature range of 30-95 K. The flux flow resistivity ρf increased with increasing the pulsed magnetic field approximately according to the Bardeen-Stephen model, that is ρf/ρn ≈ B/Bc2. The viscosity coefficient η decreased with increasing temperature and static bias field.

AB - We have investigated the magnetic flux motion in a high quality YBCO disk induced by a pulsed magnetic field. The effect of static bias fields was also studied in the temperature range of 30-95 K. The flux flow resistivity ρf increased with increasing the pulsed magnetic field approximately according to the Bardeen-Stephen model, that is ρf/ρn ≈ B/Bc2. The viscosity coefficient η decreased with increasing temperature and static bias field.

KW - Flow resistivity

KW - Flux creep

KW - Pulsed magnetic field

KW - Viscosity coefficient

KW - Viscous flux flow

KW - YBCO

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