Nonlinear microwave absorption in ceramic superconducting Y-Ba-Cu-O
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
Novel microwave measurements in ceramic YBa/sub 2/Cu/sub 3/O/sub 7-//sub delta/ reveal that in the superconducting phase the absorption is highly nonlinear in the microwave power. At T = 80 K the surface resistance increases with dc field at a rate of 0.0025 ..cap omega../Oe, and with the microwave rf field at 0.07 ..cap omega../Oe, resulting in an absorption that can be substantial in the absence of an applied dc field.
- Research Organization:
- Departamento de Fiiaasica, Universidade Federal de Pernambuco, 50739, Recife, Brazil
- OSTI ID:
- 6292814
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 39:13; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ABSORPTION SPECTRA
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CERAMICS
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
MICROWAVE SPECTRA
NONLINEAR PROBLEMS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SPECTRA
SUPERCONDUCTIVITY
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ABSORPTION SPECTRA
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CERAMICS
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
MICROWAVE SPECTRA
NONLINEAR PROBLEMS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SPECTRA
SUPERCONDUCTIVITY
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES