TITLE

Microwave properties of superconducting MgB[sub 2]

AUTHOR(S)
Hakim, N.; Parimi, P. V.; Kusko, C.; Sridhar, S.; Canfield, P. C.; Bud'ko, S. L.; Finnemore, D. K.
PUB. DATE
June 2001
SOURCE
Applied Physics Letters;6/25/2001, Vol. 78 Issue 26, p4160
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Measurements of 10 GHz microwave surface resistance, R[sub s], of dense MgB[sub 2] wire and pellet are reported. Significant improvements are observed in the wire with reduction of porosity. The data lie substantially above the theoretical estimates for a pure Bardeen-Cooper-Schrieffer s-wave superconductor. However, the R[sub s] (20 K) of the wire is an order of magnitude lower than that of polycrystal YBa[sub 2]Cu[sub 3]O[sub 6.95] and matches with single-crystal YBa[sub 2]Cu[sub 3]O[sub 6.95]. The results show promise for the use of MgB[sub 2] in microwave applications. © 2001 American Institute of Physics.
ACCESSION #
4711064

 

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