%0 Journal Article %K Thin films %K Substrates %K Degradation %K Electric fields %K Ferroelectric materials %K Epitaxial growth %K Single crystals %K Piezoelectric materials %K Substrate clamping %K Multi-domain single crystals %K Orientations %K Rhombohedral films %A J Ouyang %A D.M Kim %A C.B Eom %A Ramamoorthy Ramesh %A A.L Roytburd %B Smart Materials and Structures %D 2005 %G eng %P 524-528 %R 10.1088/0964-1726/14/4/010 %T Orientation dependence of the intrinsic converse longitudinal piezoelectric constant for 0.67Pb(Mg1/3Nb2/3)O3-0. 33PbTiO3 ferroelectric films with a rhombohedral structure %V 14