Complex microwave conductivity of YBa sub 2 Cu sub 3 O sub 7 in magnetic fields up to 500 T

Complex microwave conductivity of YBa sub 2 Cu sub 3 O sub 7 in magnetic fields up to 500 T

The complex microwave conductivity of thin, oriented YBa sub 2 Cu sub 3 O sub 7 films was measured at 94 GHz in pulsed, ultrahigh-magnetic fields up to 500 T. The c-axis of the film was perpendicular to the magnetic field. We estimate the upper critical field of the film at absolute zero as B sub c2...

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Veröffentlicht in:Physica. B, Condensed matter Condensed matter, 1995-05, Vol.211 (1-4), p.248-250
Hauptverfasser: Bykov, A I, Dolotenko, M I, Fowler, C M, Freeman, B L, Goettee, J D, King, J C, Kolokolchikov, N P, Kudasov, Y U B, Lewis, W, Marshall, B R, Papatheofanis, B J, Platonov, V V, Rodriguez, P J, Tatsenko, O M, Veeser, L R, Zerwekh, W D
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Sprache:eng
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Zusammenfassung:The complex microwave conductivity of thin, oriented YBa sub 2 Cu sub 3 O sub 7 films was measured at 94 GHz in pulsed, ultrahigh-magnetic fields up to 500 T. The c-axis of the film was perpendicular to the magnetic field. We estimate the upper critical field of the film at absolute zero as B sub c2 (0)=340plus/minus40 T. Dynamics of the transition into a normal state and connection with previous measurements of the reversibility line are discussed.
ISSN:0921-4526