Femtosecond dynamics of quasi-particles in YBa/sub 2/Cu/sub 3/O/sub 7- delta / superconductor films

Femtosecond dynamics of quasi-particles in YBa/sub 2/Cu/sub 3/O/sub 7- delta / superconductor films

The transient electronic response of epitaxially grown YBa/sub 2/Cu/sub 3/O/sub 7- delta / superconductor thin films in the femtosecond time domain was investigated using transient photoinduced reflectivity ( Delta R) with 60-fs time resolution. For temperatures T>T/sub c/, only a bolometric sign...

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Veröffentlicht in:IEEE transactions on magnetics 1991-03, Vol.27 (2), p.1548-1551
Hauptverfasser: Han, S.G., Vardeny, Z.V., Symko, O.G., Koren, G.
Format: Artikel
Sprache:eng
Schlagworte:
Optical films
Quadratic programming
Reflectivity
Signal resolution
Spontaneous emission
Superconducting epitaxial layers
Superconducting thin films
Temperature
Ultrafast electronics
Ultrafast optics
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Zusammenfassung:The transient electronic response of epitaxially grown YBa/sub 2/Cu/sub 3/O/sub 7- delta / superconductor thin films in the femtosecond time domain was investigated using transient photoinduced reflectivity ( Delta R) with 60-fs time resolution. For temperatures T>T/sub c/, only a bolometric signal was observed with Delta R>0. For T
ISSN:0018-9464
1941-0069
DOI:10.1109/20.133479