Magnetization relaxation in YBCO films with improved supercurrent transport properties

L. Miu; I. Ivan; P. Badica; G. Jakob; D. Miu; P. Mele; K. Matsumoto; M. Mukaida; Y. Yoshida; T. Horide; A. Ichinose; S. Horii

doi:10.1088/1742-6596/234/1/012026

Magnetization relaxation in YBCO films with improved supercurrent transport properties

L. Miu, I. Ivan, P. Badica, G. Jakob, D. Miu, P. Mele, K. Matsumoto, M. Mukaida, Y. Yoshida, T. Horide, A. Ichinose, S. Horii

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

3 Citations (Scopus)

Abstract

The relaxation of the irreversible magnetization in optimally doped YBCO films with natural and artificial pinning centres was measured in zero-field cooling conditions using SQUID magnetometry. The external magnetic field H was oriented along the c axis. An appropriate method for the determination of the characteristic vortex pinning energy from the normalized vortex-creep activation energy is discussed. This is based on the existence of a crossover elastic (collective) vortex creep at low temperatures T - plastic vortex creep at high T, caused by the T dependent macroscopic currents induced in the sample during magnetization measurements.

Original language	English
Article number	012026
Journal	Journal of Physics: Conference Series
Volume	234
Issue number	PART 1
DOIs	https://doi.org/10.1088/1742-6596/234/1/012026
Publication status	Published - 2010
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1088/1742-6596/234/1/012026

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title = "Magnetization relaxation in YBCO films with improved supercurrent transport properties",

abstract = "The relaxation of the irreversible magnetization in optimally doped YBCO films with natural and artificial pinning centres was measured in zero-field cooling conditions using SQUID magnetometry. The external magnetic field H was oriented along the c axis. An appropriate method for the determination of the characteristic vortex pinning energy from the normalized vortex-creep activation energy is discussed. This is based on the existence of a crossover elastic (collective) vortex creep at low temperatures T - plastic vortex creep at high T, caused by the T dependent macroscopic currents induced in the sample during magnetization measurements.",

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T1 - Magnetization relaxation in YBCO films with improved supercurrent transport properties

AU - Miu, L.

AU - Ivan, I.

AU - Badica, P.

AU - Jakob, G.

AU - Miu, D.

AU - Mele, P.

AU - Matsumoto, K.

AU - Mukaida, M.

AU - Yoshida, Y.

AU - Horide, T.

AU - Ichinose, A.

AU - Horii, S.

PY - 2010

Y1 - 2010

N2 - The relaxation of the irreversible magnetization in optimally doped YBCO films with natural and artificial pinning centres was measured in zero-field cooling conditions using SQUID magnetometry. The external magnetic field H was oriented along the c axis. An appropriate method for the determination of the characteristic vortex pinning energy from the normalized vortex-creep activation energy is discussed. This is based on the existence of a crossover elastic (collective) vortex creep at low temperatures T - plastic vortex creep at high T, caused by the T dependent macroscopic currents induced in the sample during magnetization measurements.

AB - The relaxation of the irreversible magnetization in optimally doped YBCO films with natural and artificial pinning centres was measured in zero-field cooling conditions using SQUID magnetometry. The external magnetic field H was oriented along the c axis. An appropriate method for the determination of the characteristic vortex pinning energy from the normalized vortex-creep activation energy is discussed. This is based on the existence of a crossover elastic (collective) vortex creep at low temperatures T - plastic vortex creep at high T, caused by the T dependent macroscopic currents induced in the sample during magnetization measurements.

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DO - 10.1088/1742-6596/234/1/012026

M3 - Article

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JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

IS - PART 1

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ER -

Magnetization relaxation in YBCO films with improved supercurrent transport properties

Abstract

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