Mark W. Dowley
Solid State Communications
Paper
Modulated microwave absorption of Nd2-xCexCuO4 single crystals
Abstract
Modulated microwave absorption shows that as-grown crystals of Nd2-xCexCuO4 already contain superconducting regions prior to reduction, which then increases the measured Tc from 7 to 21 K. The temperature dependence of the modulated absorption has a maximum near Tc, indicating the reduced role of weak Josephson junctions in these crystals compared to ceramic samples of the cuprate superconductors. © 1990.
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