PREPARATION AND CHARACTERIZATION OF ULTRA-PURE SOLIDS.

Abstract : Contents: Alkali halide crystals, with emphasis on potassium bromide (Physical methods of purification, Chemical methods of purification, Crystal growth, Characterization and analysis); Refractory metal crystals (Growth and characterization of single crystals of niobium, Crystallography of bicrystals, Sintering of intergranular porosity in bicrystals, Grain boundary energy, Grain boundary self-diffusion in niobium); Transition metal and intermetallic compound single crystals (Properties of liquid metals, Production and purification of Nb single crystals, Low temperature thermal conductivity of hafnium, magnetoacoustic oscillations in single crystal copper); Magnetic materials (Crystal synthesis of A2BF4 and Ga2-xFexO3, Crystal characterization of K2CoF4, K2ZnF4: Co(2+), doped Al2O3, and Fe(3+) doped beta-G-a2O3).