Structure and dielectric behavior of the (1-x)La(Mg1/2Ti1/2)O-3-xBa(Mg1/2W1/2 )O-3 microwave ceramics
authors Salak, AN; Khalyavin, DD; Senos, AMR; Mantas, PQ; Ferreira, VM
nationality International
journal FERROELECTRICS
author keywords structure phase transitions; oxygen octahedral tilting; microwave dielectric ceramics
keywords COMPLEX PEROVSKITES; SYSTEM
abstract The sequence of structure transformations, P2(1) n - I2/m - Fm (3) over barm , involving oxygen octahedral tilting has been revealed in the ceramics of the whole-range B -site ordered perovskite system ( 1 - x )La(Mg1/2Ti1/2 )O-3 = x Ba(Mg1/2W1/2 )O-3 . Microwave dielectric characteristics of the ceramics have been evaluated as a function of their composition. The observed structure sequence and structure-dependent dielectric behavior are discussed in respect to an order of the transition between anti-phase tilted and untilted configurations as well as a likely clustering in the system.
publisher TAYLOR & FRANCIS LTD
issn 0015-0193
year published 2006
volume 333
beginning page 213
ending page 219
digital object identifier (doi) 10.1080/00150190600701277
web of science category Materials Science, Multidisciplinary; Physics, Condensed Matter
subject category Materials Science; Physics
unique article identifier WOS:000238989200025
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journal impact factor 0.728
5 year journal impact factor 0.590
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