%0 Journal Article %K Thin films %K Polarization %K Epitaxial growth %K Bismuth compounds %K Surface charge %K Gallium nitride %K (0001) BiFe O3 %K (0001) GaN %K Out of plane polarization %K Single crystal surfaces %A W Tian %A V Vaithyanathan %A D.G Schlom %A Q Zhan %A S.Y Yang %A Y.H Chu %A Ramamoorthy Ramesh %B Applied Physics Letters %D 2007 %G eng %R 10.1063/1.2730580 %T Epitaxial integration of (0001) BiFe O3 with (0001) GaN %V 90