Double loop hysteresis in direct current dependent dielectric permittivity of SrTiO3
作者： Spartak Gevorgian , Anders Eriksson , Anatoli Deleniv , D Pandey , None
DOI: 10.1063/1.1516255
关键词:
摘要: Experimental double loop hysteresis in dc field dependent dielectric permittivity bulk single crystal SrTiO3 is reported. Small signal measurements of the are performed frequency range 0.5-1.5 GHz at temperatures below 77 K using electrically thin circular parallel-plate resonators. The extracted form measured resonant frequency. may be caused by induced local paraelectric/ferroelectric phase transitions, and/or switching (polarization reversal) opposing ferroelectric domains associated with symmetry breaking impurities/structural defects.
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