NDLI: High superconductor YBCO thin film evaporated on Ni metal layers

Content Provider	IEEE Xplore Digital Library
Author	Verdyan, A. Azoulay, J.
Copyright Year	2000
Description	Author affiliation: Dept. of Sci., Holon Acad. Inst. of Technol., Israel (Verdyan, A.)
Abstract	A report on our experimental study of the fabrication of YBCO thin film on Ni metal is presented. A simple inexpensive conventional vacuum system consists of a turbomolecular pump and featuring a base pressure better than 10/sup -3/ Pa was used for the YBCO thin film preparation. No device of any kind was applied to control or regulate the thickness or stoichiometry of the film during the evaporation process. During this stage of the evaporation process the substrate temperature was kept at 200/spl deg/C monitored by a chromel-alumel thermocouple attached to a nearby dummy substrate. The solid phase reaction was subsequently carried out at a temperature of 720/spl deg/C under low oxygen partial pressure of about 10 Pa for 20 minutes after which a further heat treatment was done at 490/spl deg/C for 40 minutes. The films thus obtained were evaluated for their electrical and structural properties.
Starting Page	49
Ending Page	52
File Size	165121
Page Count	4
File Format	PDF
ISBN	0780358422
DOI	10.1109/EEEI.2000.924315
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-04-11
Publisher Place	Israel
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Superconducting epitaxial layers Yttrium barium copper oxide Superconducting thin films Substrates Temperature Fabrication Vacuum systems Transistors Thickness control Monitoring
Content Type	Text
Resource Type	Article

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