Ultra-high flux pinning properties of BaMO3-doped YBa 2Cu3O7-x thin films (M = Zr, Sn)

Paolo Mele; Kaname Matsumoto; Tomoya Horide; Ataru Ichinose; Masashi Mukaida; Yutaka Yoshida; Shigeru Horii; Ryusuke Kita

doi:10.1088/0953-2048/21/3/032002

Ultra-high flux pinning properties of BaMO₃-doped YBa ₂Cu₃O_7-x thin films (M = Zr, Sn)

Paolo Mele, Kaname Matsumoto, Tomoya Horide, Ataru Ichinose, Masashi Mukaida, Yutaka Yoshida, Shigeru Horii, Ryusuke Kita

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

269 Citations (Scopus)

Abstract

We studied the flux pinning properties of BaZrO₃-doped YBa ₂Cu₃O_7-x and BaSnO₃-doped YBa ₂Cu₃O_7-x films. We found that BaSnO ₃-doped films showed very high global pinning forces, F_p, of 28.3GNm^-3 (77K, ) and 103GNm^-3 (65K, ), twice that of BaZrO₃-doped films. Transmission electron microscopy analysis showed that, in both films, nanorods of the dopant phase were incorporated. The BaSnO₃ nanorods were nearly straight but the BaZrO₃ nanorods became curved with the increasing film thickness.

Original language	English
Article number	032002
Journal	Superconductor Science and Technology
Volume	21
Issue number	3
DOIs	https://doi.org/10.1088/0953-2048/21/3/032002
Publication status	Published - Mar 1 2008

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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10.1088/0953-2048/21/3/032002

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title = "Ultra-high flux pinning properties of BaMO3-doped YBa 2Cu3O7-x thin films (M = Zr, Sn)",

abstract = "We studied the flux pinning properties of BaZrO3-doped YBa 2Cu3O7-x and BaSnO3-doped YBa 2Cu3O7-x films. We found that BaSnO 3-doped films showed very high global pinning forces, Fp, of 28.3GNm-3 (77K, ) and 103GNm-3 (65K, ), twice that of BaZrO3-doped films. Transmission electron microscopy analysis showed that, in both films, nanorods of the dopant phase were incorporated. The BaSnO3 nanorods were nearly straight but the BaZrO3 nanorods became curved with the increasing film thickness.",

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T1 - Ultra-high flux pinning properties of BaMO3-doped YBa 2Cu3O7-x thin films (M = Zr, Sn)

AU - Mele, Paolo

AU - Matsumoto, Kaname

AU - Horide, Tomoya

AU - Ichinose, Ataru

AU - Mukaida, Masashi

AU - Yoshida, Yutaka

AU - Horii, Shigeru

AU - Kita, Ryusuke

PY - 2008/3/1

Y1 - 2008/3/1

N2 - We studied the flux pinning properties of BaZrO3-doped YBa 2Cu3O7-x and BaSnO3-doped YBa 2Cu3O7-x films. We found that BaSnO 3-doped films showed very high global pinning forces, Fp, of 28.3GNm-3 (77K, ) and 103GNm-3 (65K, ), twice that of BaZrO3-doped films. Transmission electron microscopy analysis showed that, in both films, nanorods of the dopant phase were incorporated. The BaSnO3 nanorods were nearly straight but the BaZrO3 nanorods became curved with the increasing film thickness.

AB - We studied the flux pinning properties of BaZrO3-doped YBa 2Cu3O7-x and BaSnO3-doped YBa 2Cu3O7-x films. We found that BaSnO 3-doped films showed very high global pinning forces, Fp, of 28.3GNm-3 (77K, ) and 103GNm-3 (65K, ), twice that of BaZrO3-doped films. Transmission electron microscopy analysis showed that, in both films, nanorods of the dopant phase were incorporated. The BaSnO3 nanorods were nearly straight but the BaZrO3 nanorods became curved with the increasing film thickness.

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Ultra-high flux pinning properties of BaMO₃-doped YBa ₂Cu₃O_7-x thin films (M = Zr, Sn)

Abstract

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