Vortex behaviors near irreversibility fields of a-Axis oriented Y123 films inserted Pr123 layers

Makoto Takamura; Masashi Mukaida; Shigeru Horii; Ataru Ichinose; Ryusuke Kita; Masafumi Namba; Satoshi Awaji; Kazuo Watanabe; Kaname Matsumoto; Yutaka Yoshida

doi:10.1109/TASC.2009.2019552

Vortex behaviors near irreversibility fields of a-Axis oriented Y123 films inserted Pr123 layers

Makoto Takamura, Masashi Mukaida, Shigeru Horii, Ataru Ichinose, Ryusuke Kita, Masafumi Namba, Satoshi Awaji, Kazuo Watanabe, Kaname Matsumoto, Yutaka Yoshida

IMR - High Field Laboratory for Superconducting Materials

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

2 Citations (Scopus)

Abstract

The irreversibility temperatures were measured for a-axis oriented and c-axis in-plane aligned Y123/Prl23 multilayer films in various magnetic fields. Pr123 layers act as two-dimensional (planer) c-axis correlated artificial pinning centers (APCs) in the multilayer films. In the irreversibility field -temperature curves, the crossover was observed near matching field Bψ for the multilayer films, when the magnetic fields were applied parallel to the c-axis of the film (B//c). It is suggested the vortex state in Y123 films with two-dimensional APCs is Bose glass below the crossover field. The B _irr - T curves under B//a shifted toward lower temperature and magnetic field regions.

Original language	English
Article number	5153274
Pages (from-to)	3499-3502
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	19
Issue number	3
DOIs	https://doi.org/10.1109/TASC.2009.2019552
Publication status	Published - 2009 Jun

Keywords

High-temperature superconductors
Multilayer films
Superconducting films
Vortex pinning

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10.1109/TASC.2009.2019552

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title = "Vortex behaviors near irreversibility fields of a-Axis oriented Y123 films inserted Pr123 layers",

abstract = "The irreversibility temperatures were measured for a-axis oriented and c-axis in-plane aligned Y123/Prl23 multilayer films in various magnetic fields. Pr123 layers act as two-dimensional (planer) c-axis correlated artificial pinning centers (APCs) in the multilayer films. In the irreversibility field -temperature curves, the crossover was observed near matching field Bψ for the multilayer films, when the magnetic fields were applied parallel to the c-axis of the film (B//c). It is suggested the vortex state in Y123 films with two-dimensional APCs is Bose glass below the crossover field. The B irr - T curves under B//a shifted toward lower temperature and magnetic field regions.",

keywords = "High-temperature superconductors, Multilayer films, Superconducting films, Vortex pinning",

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T1 - Vortex behaviors near irreversibility fields of a-Axis oriented Y123 films inserted Pr123 layers

AU - Takamura, Makoto

AU - Mukaida, Masashi

AU - Horii, Shigeru

AU - Ichinose, Ataru

AU - Kita, Ryusuke

AU - Namba, Masafumi

AU - Awaji, Satoshi

AU - Watanabe, Kazuo

AU - Matsumoto, Kaname

AU - Yoshida, Yutaka

PY - 2009/6

Y1 - 2009/6

N2 - The irreversibility temperatures were measured for a-axis oriented and c-axis in-plane aligned Y123/Prl23 multilayer films in various magnetic fields. Pr123 layers act as two-dimensional (planer) c-axis correlated artificial pinning centers (APCs) in the multilayer films. In the irreversibility field -temperature curves, the crossover was observed near matching field Bψ for the multilayer films, when the magnetic fields were applied parallel to the c-axis of the film (B//c). It is suggested the vortex state in Y123 films with two-dimensional APCs is Bose glass below the crossover field. The B irr - T curves under B//a shifted toward lower temperature and magnetic field regions.

AB - The irreversibility temperatures were measured for a-axis oriented and c-axis in-plane aligned Y123/Prl23 multilayer films in various magnetic fields. Pr123 layers act as two-dimensional (planer) c-axis correlated artificial pinning centers (APCs) in the multilayer films. In the irreversibility field -temperature curves, the crossover was observed near matching field Bψ for the multilayer films, when the magnetic fields were applied parallel to the c-axis of the film (B//c). It is suggested the vortex state in Y123 films with two-dimensional APCs is Bose glass below the crossover field. The B irr - T curves under B//a shifted toward lower temperature and magnetic field regions.

KW - High-temperature superconductors

KW - Multilayer films

KW - Superconducting films

KW - Vortex pinning

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Vortex behaviors near irreversibility fields of a-Axis oriented Y123 films inserted Pr123 layers

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Keywords

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