NDLI: Microwave absorption of YBa/sub 2/Cu/sub 3/O/sub 7/ thin films with columnar defects

Content Provider	IEEE Xplore Digital Library
Author	Lofland, S.E. Huang, M.X. Bhagat, S.M. Rajeswari, M. Venkatesan, T. Kanjilal, D. Senapati, L. Mehta, G.K.
Copyright Year	2002
Abstract	We have measured the microwave magnetoabsorption of both pristine and irradiated c-axis-oriented YBa/sub 2/Cu/sub 3/O/sub 7/ thin films. The irradiation was done using 270-MeV Ag ions and produces columnar defects along the film normal. The angular dependence of the absorption for pristine films can be described by sin/spl theta/; where /spl theta/ is the inclination of the field from the film plane. However, there is a minimum in the magnetoabsorption of the irradiated films when the applied field is parallel to the columns. This minimum is indicative of vortex localization as predicted by Nelson and Vinokur. We believe that this is the first high-frequency measurement of this phenomenon.<>
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1428
Ending Page	1431
Page Count	4
File Size	296201
File Format	PDF
ISSN	10518223
Volume Number	5
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electromagnetic wave absorption Transistors Magnetic field measurement Superconducting thin films Superconductivity Superconducting magnets Nuclear and plasma sciences Superconducting microwave devices Yttrium barium copper oxide Pulse measurements
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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