Journal
APPLIED PHYSICS LETTERS
Volume 91, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2753390
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Electric polarization loops are measured at room temperature on highly pure BiFeO3 single crystals synthesized by a flux growth method. Because the crystals have a high electrical resistivity, the resulting low leakage currents allow the authors to measure a large spontaneous polarization in excess of 100 mu C cm(-2), a value never reported in the bulk. During electric cycling, the slow degradation of the material leads to an evolution of the hysteresis curves eventually preventing full saturation of the crystals. (C) 2007 American Institute of Physics.
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