NDLI: Microwave surface resistance of cuprate superconductors

Content Provider	IEEE Xplore Digital Library
Author	Tonkin, B.A. Proykova, Y.G.
Copyright Year	2002
Abstract	Microwave surface resistance measurements have recently been playing an important role in assessing the suitability of superconducting materials for applications. The temperature (10-100K) dependence of the surface resistance of bulk polycrystalline ReBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// (Re=Y, Gd and Sm) specimens at 27.4GHz has been extracted using a resonant cavity end wall replacement technique. The superconducting transition temperature was found to be increasing for rare earth atoms with larger ionic radius. The results seem to show that the surface resistance in the superconducting state is insensitive to the type of the rare earth ion and is mainly governed by the size of the superconducting grains and their alignment. The normal state surface resistance however is dependent on how well the grains are connected.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1257
Ending Page	1259
Page Count	3
File Size	397589
File Format	PDF
ISSN	10518223
Volume Number	7
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Surface resistance Superconductivity Superconducting microwave devices Electrical resistance measurement High temperature superconductors Copper X-ray diffraction Superconducting materials Temperature dependence Frequency measurement
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Modeling the microwave properties of superconductors

The surface resistance of bulk polycrystalline YBa/sub 2/Cu/sub 3/O/sub 7/(-X)

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Microwave surface resistance of cuprate superconductors

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