Ferroelectric properties of (Pb-Bi-Sr-Ca-Cu-O) ceramics in normal and superconducting states (original) (raw)

Ferroelectrics, 1994

Abstract

Ferroelectric hysteresis studies have been carried out on the pellets of Pb0.6Bi1.4Sr2Ca2Cu3O10 superconductor selected out of sixteen samples prepared. The results suggest that the sample behaved like a normal dielectric ceramic between room temperature and 211 K. Below 211 K, its behaviour has been interpreted as that of a relaxor ferroelectric. At 118 K, the (2223) phase is known to

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