%0 Journal Article %K Harmonic generation %K Morphotropic phase boundaries %K Bismuth ferrite %K Theoretical study %K Bismuth %K Ferrite %K Epitaxial strain %K Optical second harmonic generation %K Lead-free ferroelectrics %K Monoclinic distortion %K Monoclinic phasis %K Relative ratios %K Rhombohedral unit cells %K Tetragonal and rhombohedral phasis %K Nonlinear optics %K Optical films %A A Kumar %A S Denev %A R.J Zeches %A E Vlahos %A N.J Podraza %A A Melville %A D.G Schlom %A Ramamoorthy Ramesh %A V Gopalan %B Applied Physics Letters %D 2010 %G eng %R 10.1063/1.3483923 %T Probing mixed tetragonal/rhombohedral-like monoclinic phases in strained bismuth ferrite films by optical second harmonic generation %V 97