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Diffused phase transition in fine-grained bismuth vanadate ceramics
1999
Journal of Materials Research
Nanocrystalline powders of ferroelectric bismuth vanadate, Bi 4 V 2 O 11 (n-BiV), with crystallite size less than 50 nm, were obtained by mechanical milling of a stoichiometric mixture of bismuth oxide and vanadium pentoxide. The n-BiV powders on sintering yielded high-density, fine-grained ceramics with improved dielectric and polar characteristics. Dielectric studies on samples obtained from milled powders indicated that the ferroelectric-to-paraelectric phase transition temperature is
doi:10.1557/jmr.1999.0629
fatcat:cttfepoedba7xoljvkfi7dbha4