Catalytic Response and Stability of Nickel/Alumina for the Hydrogenation of 5-Hydroxymethylfurfural in Water 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 Morphotropic Phase Boundary in the Pb-Free (1-x)BiTi3/8Fe2/8Mg3/8O3-xCaTiO(3) System: Tetragonal Polarization and Enhanced Electromechanical Properties Twofold role of Hexadecyltrimethylammonium Bromide in photochemical synthesis of gold nanorods