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Digitale Medien

An experimental investigation of YBa2Cu3O7 films at millimeter-wave frequencies (1990)

Drabeck, L. ; Holczer, K. ; Grüner, G. ; [weitere]

Springer

Journal of superconductivity 3 (1990), S. 317-322

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Details

ISSN: 1572-9605

Schlagwort(e): Superconductor ; millimeter wave ; losses ; BCS

Quelle: Springer Online Journal Archives 1860-2000

Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik

Notizen: Abstract We have measured the millimeter-wave (100 GHz) surface resistance of high-quality laserdeposited YBa2Cu3O7 films on SrTiO3 and LaA103 substrates. Due to finite film thickness, radiation losses are important in the normal state and in the superconducting state nearT c. These effects are calculated andR s characteristic of the ohmics losses in the film are extracted from the data. The surface resistanceR s drops rapidly atT c, and a detailed comparison with calculations which include finite mean free path effects suggests a gap which exceeds the weak coupling BCS limit.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00625274

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