Research Article
Strain-Dependence of the Structure and Ferroic Properties of Epitaxial NiTiO3 Thin Films Grown on Different Substrates
Figure 5
(Color online) Optical SHG images of NiTiO3/Al2O3, NiTiO3/Fe2O3, and NiTiO3/LiNbO3 films of similar thicknesses. Images for strongly ferroelectric single crystalline LiNbO3 and nonpolar Al2O3 are shown as reference.