High Critical Current YBa2Cu3O7-delta Thick Films on Improved Rolling-Assisted Biaxially Textured Substrates (RABiTStm)

Autor:	S. Kang, Keith J. Leonard, Dominic F. Lee, Donald M. Kroeger, Mariappan Parans Paranthaman, Amit Goyal, N A Rutter
Rok vydání:	2005
Předmět:	Materials science Homogeneous Materials Chemistry Ceramics and Composites Mineralogy Yba2cu3o7 δ Critical current Composite material Microstructure Yttria-stabilized zirconia Pulsed laser deposition
Zdroj:	Journal of the American Ceramic Society. 88:2677-2680
ISSN:	1551-2916 0002-7820
DOI:	10.1111/j.1551-2916.2005.00375.x
Popis:	YBa2Cu3O7−δ (YBCO) films with thicknesses ranging from 1.0 to 6.4 μm were deposited by pulsed laser deposition on rolling-assisted biaxially textured substrates (RABiTS). The RABiTS were of the configuration CeO2/YSZ/Y2O3/Ni–3 at.% W. As the YBCO film thickness increased, Ic continued to increase and reached ∼300 A/cm width for a 4.3 μm-thick YBCO film. Commonly observed mechanisms for Jc decrease with increasing YBCO film thickness were not observed. Homogeneous microstructures obtained in even the thickest YBCO films, suggest that the Ic/width can still be enhanced considerably.
Databáze:	OpenAIRE
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