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Dielectric relaxation in complex perovskite Ba(Bi1/2Ta1/2)O3

✍ Scribed by Amodini Mishra; S. N. Choudhary; R. N. P. Choudhary; V. R. K. Murthy; Kamal Prasad

Publisher
Springer US
Year
2011
Tongue
English
Weight
875 KB
Volume
23
Category
Article
ISSN
0957-4522

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## Abstract A new lead‐free perovskite ceramic Ba(Bi~1/2~Nb~1/2~)O~3~ was prepared by a conventional ceramic technique at 1185 Β°C in oxygen atmosphere. X‐ray diffraction analysis of the compound indicated the formation of a single‐phase monoclinic structure. Dielectric study revealed a diffuse phas

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Pb(Sc~ ~Tal \_,)O~ ceramics have been characterized by dielectric measurements in a wide range of frequencies (10 2-10'; Hz). A strong dispersion occurs with two low and high frequency contributions below the transition temperature. Only high frequency relaxation is still observed at high temperatur