Microwave absorption in YBa2Cu3O7−
-manganite superlattices
Appl. Phys. Lett. 95, 172511 (2009); doi:10.1063/1.3255012
Published 29 October 2009
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We report on results of direct microwave absorption measurements of Re1−xBxMnO3/YBa2Cu3O7−
half metal/d-wave superconductor superlattices (where Re–La and Pr) and (B–Sr and Ca) for microwave frequencies in the range from 9 to 20 GHz. The measurements of the entire heterostructure were performed mostly at temperatures below the superconducting transition. The obtained results strongly depend on the microwave frequency and can be qualitatively described within the theoretical model of high-frequency properties of Josephson junctions with a ferromagnetic barrier proposed by Takahashi et al. [Phys. Rev. Lett. 99, 057003 (2007)].
©2009 American Institute of Physics
half metal/d-wave superconductor superlattices (where Re–La and Pr) and (B–Sr and Ca) for microwave frequencies in the range from 9 to 20 GHz. The measurements of the entire heterostructure were performed mostly at temperatures below the superconducting transition. The obtained results strongly depend on the microwave frequency and can be qualitatively described within the theoretical model of high-frequency properties of Josephson junctions with a ferromagnetic barrier proposed by Takahashi et al. [Phys. Rev. Lett. 99, 057003 (2007)].
©2009 American Institute of Physics
| History: | Received 30 April 2009; accepted 6 October 2009; published 29 October 2009 |
| Permalink: |
http://link.aip.org/link/?APPLAB/95/172511/1 |
KEYWORDS and PACS
barium compounds,
calcium compounds,
ferromagnetic materials,
high-frequency effects,
high-temperature superconductors,
Josephson effect,
lanthanum compounds,
praseodymium compounds,
strontium compounds,
superconducting superlattices,
superconducting thin films,
superconducting transitions,
yttrium compounds
- 74.50.+r
Superconductor tunneling phenomena; point contacts, weak links, Josephson effects - 75.50.Dd
Nonmetallic ferromagnetic materials - 74.72.-h
Cuprate superconductors - 74.62.-c
Transition temperature variations (superconductivity) - 74.78.Fk
Superconducting multilayers, superlattices, heterostructures - YEAR: 2009
RELATED DATABASES
PUBLICATION DATA
0003-6951 (print)
1077-3118 (online)
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