Dimensional Crossover Effect of Pinning in YBa2Cu3O7Films

Satoshi Awaji; Kazuo Watanabe; Norio Kobayashi; Hisanori Yamane; Toshio Hirai

doi:10.1143/JJAP.32.L1795

Dimensional Crossover Effect of Pinning in YBa₂Cu₃O₇Films

Satoshi Awaji, Kazuo Watanabe, Norio Kobayashi, Hisanori Yamane, Toshio Hirai

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

Temperature and field dependence of the critical current density J_cand its anisotropy in chemical vapor deposition processed (CVD) YBa₂Cu₃O₇films deposited on SrTiO₃(100) substrates were measured by a 4-probe resistive method. A kink in the temperature dependence of J_cwas found for B_c, while there was no kink in J_cfor Bl/c. This kink can be explained as the dimensional crossover effect from three-dimensional (3D) pinning to two-dimensional (2D) pinning. Below the temperature at which the kink appears, the 2D pinning affects the J_cproperties. The pinning model for 3D and 2D cases is explored, considering the extrinsic pinning and the intrinsic one, respectively.

Original language	English
Pages (from-to)	L1795-L1797
Journal	Japanese journal of applied physics
Volume	32
Issue number	12 B
DOIs	https://doi.org/10.1143/JJAP.32.L1795
Publication status	Published - 1993 Dec

Keywords

2-dimensional pinning
Angular dependence of J
Chemical vapor deposition
Dimensional crossover of pinning
YBaCuOfilm

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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Awaji, S., Watanabe, K., Kobayashi, N., Yamane, H., & Hirai, T. (1993). Dimensional Crossover Effect of Pinning in YBa₂Cu₃O₇Films. Japanese journal of applied physics, 32(12 B), L1795-L1797. https://doi.org/10.1143/JJAP.32.L1795

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abstract = "Temperature and field dependence of the critical current density Jcand its anisotropy in chemical vapor deposition processed (CVD) YBa2Cu3O7films deposited on SrTiO3(100) substrates were measured by a 4-probe resistive method. A kink in the temperature dependence of Jcwas found for B_c, while there was no kink in Jcfor Bl/c. This kink can be explained as the dimensional crossover effect from three-dimensional (3D) pinning to two-dimensional (2D) pinning. Below the temperature at which the kink appears, the 2D pinning affects the Jcproperties. The pinning model for 3D and 2D cases is explored, considering the extrinsic pinning and the intrinsic one, respectively.",

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author = "Satoshi Awaji and Kazuo Watanabe and Norio Kobayashi and Hisanori Yamane and Toshio Hirai",

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AU - Awaji, Satoshi

AU - Watanabe, Kazuo

AU - Kobayashi, Norio

AU - Yamane, Hisanori

AU - Hirai, Toshio

PY - 1993/12

Y1 - 1993/12

N2 - Temperature and field dependence of the critical current density Jcand its anisotropy in chemical vapor deposition processed (CVD) YBa2Cu3O7films deposited on SrTiO3(100) substrates were measured by a 4-probe resistive method. A kink in the temperature dependence of Jcwas found for B_c, while there was no kink in Jcfor Bl/c. This kink can be explained as the dimensional crossover effect from three-dimensional (3D) pinning to two-dimensional (2D) pinning. Below the temperature at which the kink appears, the 2D pinning affects the Jcproperties. The pinning model for 3D and 2D cases is explored, considering the extrinsic pinning and the intrinsic one, respectively.

AB - Temperature and field dependence of the critical current density Jcand its anisotropy in chemical vapor deposition processed (CVD) YBa2Cu3O7films deposited on SrTiO3(100) substrates were measured by a 4-probe resistive method. A kink in the temperature dependence of Jcwas found for B_c, while there was no kink in Jcfor Bl/c. This kink can be explained as the dimensional crossover effect from three-dimensional (3D) pinning to two-dimensional (2D) pinning. Below the temperature at which the kink appears, the 2D pinning affects the Jcproperties. The pinning model for 3D and 2D cases is explored, considering the extrinsic pinning and the intrinsic one, respectively.

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KW - Dimensional crossover of pinning

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