Перевод заглавия: Исследование сегнетоэлектрического и магнитного фазовых переходов в мультиферроике PbFe0.5Ta0.5O3
Рубрики:
NEUTRON POWDER DIFFRACTION
Pb(Fe1/2Ta1/2)O-3
Кл.слова (ненормированные):
Lead iron tantalate -- multiferroic -- ferroelectric -- lattice parameters -- phase transition
NEUTRON POWDER DIFFRACTION
Pb(Fe1/2Ta1/2)O-3
Кл.слова (ненормированные):
Lead iron tantalate -- multiferroic -- ferroelectric -- lattice parameters -- phase transition
Аннотация: X-ray, magnetic, and Mossbauer studies of a PbFe0.5Ta0.5O3 powder have been carried out. For the first time temperature dependence of the unit cell parameters was obtained. Antiferromagnetic Neel temperature T-N approximate to 180K was determined using the results of Mossbauer studies. In the vicinity of T-N an anomaly in the temperature dependence of the monoclinic angle beta was revealed in PFT. This anomaly seems to be due to the magnetoelectric coupling.
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Доп.точки доступа:
Raevski, I. P.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Misyul, S. V.; Мисюль, Сергей Валентинович; Eremin, E. V.; Еремин, Евгений Владимирович; Blazhevich, A. V.; Kubrin, S. P.; Sarychev, D. A.; Titov, V. V.; Chen, H.; Chou, C. -C.; Raevskaya, S. I.; Malitskaya, M. A.; Russian Foundation for Basic Research (RFBR) [12-08-00887_a, 14-02-90438_Ucr_a]; Ministry of education and science of Russian Federation [2132, 2014/174]; Southern Federal University [213.01-2014/012-VG]; Research Committee of the University of Macau under Research & Development Grant for Chair Professor; International Conference of Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials(14-17 July 2014 ; Ekaterinburg, Russia)