Spontaneous polarization and domain reversal in new ferroelectric LaBGeO5статья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:We obtained the temperature dependence of a pyroelectric current and spontaneous polarization in a single-domain state of the ferroelectric LaBGeO5 (LBGO) (Tc=532degreesC). Hystresis loops, the temperature dependence of a coercive field were obtained for frequencies 0.05-1 Hz. It is shown that the coercive field increases exponentially with the lowering of a temperature and is about 150 kV/cm at room temperature and 0.1 Hz. Polarization change and switching characteristics were obtained under a step field.