ISSN:
1572-9605
Schlagwort(e):
microwave
;
surface impedance
;
highT c
;
La2CuO4
;
YBa2Cu3O7
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Elektrotechnik, Elektronik, Nachrichtentechnik
,
Physik
Notizen:
Abstract We have investigated the 9- and 10-GHz microwave properties of bulk samples of strontium and barium substituted La2CuO4 and YBa2Cu3O7 and one YBa2Cu3O7 MBE film on SrTiO3. Anomalous microwave absorption is seen especially for poorly compacted bulk ceramic samples. Transitions were generally broadened nearT c and the residual losses were high. The real part of the surface impedance could be fit belowT c to the empirical equation with an added term linear in temperature. The microwave response of the film was masked by paraelectric absorption and acoustic resonances in the substrate.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF00617660
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