Absorption of electromagnetic waves in Y- and La-based HTS metaloxides
V. V. EremenkoPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskD. É. ZherebchevskiǐPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskT. N. MoiseevaPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, DonetskV. V. ChabanenkoPhysicotechnical Institute, Academy of Sciences of the Ukrainian SSR, Donetsk
ABI
Abstract
The effect of an external rf and a constant magnetic field on the temperature dependence of the surface impedance of metaloxide ceramic plates based on Y- and lanthanoids has been studied experimentally in the frequency range 103−107 Hz. The peak observed in the temperature dependence of impedance is attributed to the size effect when the skin-depth δ becomes comparable with the half-thickness of the sample. A contactless method is proposed for a quick quality control of the ceramic samples and for determining the critical temperature.
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