DiP230: Dielectric spectroscopy of some Ba(B′1/2B″1/2)O3complex perovskites in the 1011–1014Hz range
- 1 August 1992
- journal article
- research article
- Published by Taylor & Francis in Ferroelectrics
- Vol. 133 (1) , 205-210
- https://doi.org/10.1080/00150199208218000
Abstract
Five Ba(B′1/2B1/2″)O3 ceramic compounds (B′ = Y3+, Gd3+, Nd3+, In3+; B″ = Ta and B′ = Mg2+; B″ = W6+) have been prepared to investigate the origin of microwave losses. Infrared reflectivity and submillimetre transmission measurements as well as low-frequency dielectric measurements were performed and evaluated. An attempt was undertaken to divide the submillimetre losses into intrinsic lattice losses (multiphonon absorption) proportional to temperature and extrinsic temperature independent loss contributions.Keywords
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