AgBiI 4 as a Lead-Free Solar Absorber with Potential Application in Photovoltaics Controlling Phase Assemblage in a Complex Multi-Cation System: Phase-Pure Room Temperature Multiferroic (1-x)BiTi(1-y)/2FeyMg(1-y)/2O3-xCaTiO3 La3Li3W2O12: Ionic Diffusion in a Perovskite with Lithium on both A- and 6-Sites Room Temperature Magnetically Ordered Polar Corundum GaFeO3 Displaying Magnetoelectric Coupling Computational Identification and Experimental Realization of Lithium Vacancy Introduction into the Olivine LiMgPO4 Designing switchable polarization and magnetization at room temperature in an oxide Morphotropic Phase Boundary in the Pb-Free (1-x)BiTi3/8Fe2/8Mg3/8O3-xCaTiO(3) System: Tetragonal Polarization and Enhanced Electromechanical Properties Tilt engineering of spontaneous polarization and magnetization above 300 K in a bulk layered perovskite Control of Co content and SOFC cathode performance in Y1-ySr2+yCu3-xCoxO7+delta