Microstructural Properties -- Precipitation of Disordered Ni-X Solid Solution Phases in Off-Stoichiometric Ordered Ni3X Alloys -- An Atomic Scale Study of The Physical Properties of Delta Plutonium and Pu:Al Alloys -- Ab Initio Thermodynamic and Structural Studies of Cationic Disordered MgAl2O4 Spinel -- Computer Simulation of Molten and Glassy Silica and its Mixtures with Sodium Oxide and Alum…