Dimensional crossover effect in jc characteristics of chemical vapor deposition processed yba2cu3o7-δ films

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

doi:10.1143/JJAP.31.L1532

Dimensional crossover effect in j_c characteristics of chemical vapor deposition processed yba₂cu₃o_7-δ films

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

Research output: Contribution to journal › Article

9 Citations (Scopus)

Abstract

The critical current densities of chemical vapor deposition (CVD) processed YBa₂Cu₃0₇-<5 films were resistively measured in fields up to 13 T and in a temperature range from 4.2 to 77.3 K. For B perpendicular to the c-axis (2?_L c), an anomaly in the temperature dependence of J_c was observed at T_d = 50-60 K and the field dependence of J_c drastically changed at T_d. Since T_d was almost in agreement with the estimated dimensional crossover temperature T_co, it is sug gested that the change of dimensionality influences the J_c properties.

Original language	English
Pages (from-to)	L1532-L1535
Journal	Japanese journal of applied physics
Volume	31
Issue number	11
DOIs	https://doi.org/10.1143/JJAP.31.L1532
Publication status	Published - 1992 Nov

Keywords

2D Flux pinning
3D conventional flux pinning
Anisotropy
Chemical vapor deposition
Critical current density
Dimensional crossover
YBaCu0_^ film

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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Awaji, S., Watanabe, K., Kobayashi, N., Yamane, H., & Hirai, T. (1992). Dimensional crossover effect in j_c characteristics of chemical vapor deposition processed yba₂cu₃o_7-δ films. Japanese journal of applied physics, 31(11), L1532-L1535. https://doi.org/10.1143/JJAP.31.L1532

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title = "Dimensional crossover effect in jc characteristics of chemical vapor deposition processed yba2cu3o7-δ films",

abstract = "The critical current densities of chemical vapor deposition (CVD) processed YBa2Cu307-<5 films were resistively measured in fields up to 13 T and in a temperature range from 4.2 to 77.3 K. For B perpendicular to the c-axis (2?_L c), an anomaly in the temperature dependence of Jc was observed at Td = 50-60 K and the field dependence of Jc drastically changed at Td. Since Td was almost in agreement with the estimated dimensional crossover temperature Tco, it is sug gested that the change of dimensionality influences the Jc properties.",

keywords = "2D Flux pinning, 3D conventional flux pinning, Anisotropy, Chemical vapor deposition, Critical current density, Dimensional crossover, YBaCu0_^ film",

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

year = "1992",

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doi = "10.1143/JJAP.31.L1532",

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AU - Awaji, Satoshi

AU - Watanabe, Kazuo

AU - Kobayashi, Norio

AU - Yamane, Hisanori

AU - Hirai, Toshio

PY - 1992/11

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N2 - The critical current densities of chemical vapor deposition (CVD) processed YBa2Cu307-<5 films were resistively measured in fields up to 13 T and in a temperature range from 4.2 to 77.3 K. For B perpendicular to the c-axis (2?_L c), an anomaly in the temperature dependence of Jc was observed at Td = 50-60 K and the field dependence of Jc drastically changed at Td. Since Td was almost in agreement with the estimated dimensional crossover temperature Tco, it is sug gested that the change of dimensionality influences the Jc properties.

AB - The critical current densities of chemical vapor deposition (CVD) processed YBa2Cu307-<5 films were resistively measured in fields up to 13 T and in a temperature range from 4.2 to 77.3 K. For B perpendicular to the c-axis (2?_L c), an anomaly in the temperature dependence of Jc was observed at Td = 50-60 K and the field dependence of Jc drastically changed at Td. Since Td was almost in agreement with the estimated dimensional crossover temperature Tco, it is sug gested that the change of dimensionality influences the Jc properties.

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KW - 3D conventional flux pinning

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KW - Chemical vapor deposition

KW - Critical current density

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