Charged domain walls acting as conductive channels are created in barium titanate by combined light and electric field, with bulk photovoltaic effect providing screening as confirmed by phase-field simulations.
Physical Review B92, 214112 (2015)
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Photovoltaic creation of charged domain walls in barium titanate
Charged domain walls acting as conductive channels are created in barium titanate by combined light and electric field, with bulk photovoltaic effect providing screening as confirmed by phase-field simulations.