Jc enhancement of YBa2Cu3O7 films on polycrystalline silver substrates by metalorganic chemical vapor deposition in high magnetic fields

Yanwei Ma; Kazuo Watanabe; Satoshi Awaji; Mitsuhiro Motokawa

doi:10.1063/1.1330227

J_c enhancement of YBa₂Cu₃O₇ films on polycrystalline silver substrates by metalorganic chemical vapor deposition in high magnetic fields

Yanwei Ma, Kazuo Watanabe, Satoshi Awaji, Mitsuhiro Motokawa

High Field Laboratory for Superconducting Materials

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

46 Citations (Scopus)

Abstract

High-quality YBa₂Cu₃O₇ (YBCO) films were grown on polycrystalline silver substrates by a metalorganic chemical vapor deposition process in high magnetic fields. Property characterizations revealed that the YBCO films deposited in high magnetic fields have excellent structural and superconducting properties. At 77 K, the transport critical current densities of such films were over 10 000 A/cm² in the field of 1 T (H∥c axis). The improvement of the critical currents in YBCO films deposited in high magnetic fields is correlated with the better intergrain connections, as observed by scanning electron microscopy.

Original language	English
Pages (from-to)	3633-3635
Number of pages	3
Journal	Applied Physics Letters
Volume	77
Issue number	22
DOIs	https://doi.org/10.1063/1.1330227
Publication status	Published - 2000 Nov 27

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "High-quality YBa2Cu3O7 (YBCO) films were grown on polycrystalline silver substrates by a metalorganic chemical vapor deposition process in high magnetic fields. Property characterizations revealed that the YBCO films deposited in high magnetic fields have excellent structural and superconducting properties. At 77 K, the transport critical current densities of such films were over 10 000 A/cm2 in the field of 1 T (H∥c axis). The improvement of the critical currents in YBCO films deposited in high magnetic fields is correlated with the better intergrain connections, as observed by scanning electron microscopy.",

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AU - Watanabe, Kazuo

AU - Awaji, Satoshi

AU - Motokawa, Mitsuhiro

PY - 2000/11/27

Y1 - 2000/11/27

N2 - High-quality YBa2Cu3O7 (YBCO) films were grown on polycrystalline silver substrates by a metalorganic chemical vapor deposition process in high magnetic fields. Property characterizations revealed that the YBCO films deposited in high magnetic fields have excellent structural and superconducting properties. At 77 K, the transport critical current densities of such films were over 10 000 A/cm2 in the field of 1 T (H∥c axis). The improvement of the critical currents in YBCO films deposited in high magnetic fields is correlated with the better intergrain connections, as observed by scanning electron microscopy.

AB - High-quality YBa2Cu3O7 (YBCO) films were grown on polycrystalline silver substrates by a metalorganic chemical vapor deposition process in high magnetic fields. Property characterizations revealed that the YBCO films deposited in high magnetic fields have excellent structural and superconducting properties. At 77 K, the transport critical current densities of such films were over 10 000 A/cm2 in the field of 1 T (H∥c axis). The improvement of the critical currents in YBCO films deposited in high magnetic fields is correlated with the better intergrain connections, as observed by scanning electron microscopy.

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J_c enhancement of YBa₂Cu₃O₇ films on polycrystalline silver substrates by metalorganic chemical vapor deposition in high magnetic fields

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