Microwave properties of superconducting MgB2
Microwave properties of superconducting MgB2
Date
2001-06-25
Authors
Hakim, N.
Parimi, P.
Canfield, Paul
Kusko, C.
Sridhar, S.
Canfield, Paul
Bud'ko, Sergey
Finnemore, Douglas
Parimi, P.
Canfield, Paul
Kusko, C.
Sridhar, S.
Canfield, Paul
Bud'ko, Sergey
Finnemore, Douglas
Major Professor
Advisor
Committee Member
Journal Title
Journal ISSN
Volume Title
Publisher
Altmetrics
Authors
Canfield, Paul
Person
Research Projects
Organizational Units
Journal Issue
Series
Department
Ames LaboratoryPhysics and Astronomy
Abstract
Measurements of 10 GHz microwavesurface resistance, Rs, of dense MgB2wire 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 Rs (20 K) of the wire is an order of magnitude lower than that of polycrystalYBa2Cu3O6.95 and matches with single-crystal YBa2Cu3O6.95. The results show promise for the use of MgB2 in microwave applications.
Comments
The following article appeared in Applied Physics Letters 78 (2001): 4160 and may be found at http://dx.doi.org/10.1063/1.1379366.