%0 Journal Article %K Electronics %K Light absorption %K Electric potential %K Semiconductor %K Electric fields %K Iron compounds %K Domain walls %K Ferroelectric materials %K Bismuth compounds %K Energy conversion %K Energy gap %K Ferroelectricity %K Electric field %K Article %K Priority journal %K Ferroelectric domains %K Electric-field control %K Electrostatic potentials %K Semiconductor electronics %K Semiconductor devices %K Photovoltaic effects %K Photovoltaic devices %K Solid state %K Nanomaterial %K Optoelectronic devices %K Charge separations %K Different mechanisms %K Electron hole pairs %K Photovoltaic device %A S.Y Yang %A J Seidel %A S.J Byrnes %A P Shafer %A C.-H Yang %A M.D Rossell %A P Yu %A Y.-H Chu %A J.F Scott %A Joel W Ager %A L.W Martin %A Ramamoorthy Ramesh %B Nature Nanotechnology %D 2010 %G eng %I Nature Publishing Group %P 143-147 %R 10.1038/nnano.2009.451 %T Above-bandgap voltages from ferroelectric photovoltaic devices %V 5