Abstract
The surface impedance Z s=R s+iX s of samples of Ba0.6K0.4BiO3 in the temperature range 4<T<50 K is measured at 9.42 GHz. The BCS theory completely describes the electrodynamic properties of Nb in the dirty limit, and its application to Ba0.6K0.4BiO3 allows determination of the London penetration depth λ L(0)=3100±100 Å.
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Zh. Éksp. Teor. Fiz. 111, 696–704 (February 1997)
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Trunin, M.R., Zhukov, A.A. & Sokolov, A.T. Microwave impedance of Ba0.6K0.4BiO3 crystals: Comparison with Nb. J. Exp. Theor. Phys. 84, 383–387 (1997). https://doi.org/10.1134/1.558127
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DOI: https://doi.org/10.1134/1.558127