ISSN:
1090-6487
Schlagwort(e):
74.72.Hs
;
74.25.Ha
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Physik
Notizen:
Abstract The c-axis penetration depth Δλc in Bi2Sr2CaCu2O8+δ (BSCCO) single crystals as a function of temperature has been determined using two techniques, namely, measurements of the ac-susceptibility at a frequency of 100 kHz and the surface impedance at 9.4 GHz. Both techniques yield an almost linear function Δλc(T)∝T in the temperature range T〈0.5T c. Electrodynamic analysis of the impedance anisotropy has allowed us to estimate λc(0)≈50 µm in BSCCO crystals overdoped with oxygen (T c≈84 K) and λc(0)≈150 µm at the optimal doping level (T c≈90 K).
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1134/1.568288
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