Now showing items 1-6 of 6
In Pursuit of Extraordinarily Twisted Acenes
Longitudinally twisted acenes are a topologically interesting class of polycyclic aromatic hydrocarbons (PAHs), and it could be argued that they have quite beautiful chemical structures, too. X-ray crystal analysis of many ...
Positron interactions with oriented polymers and with chiral quartz crystals
(University of Missouri--Kansas City, 2017)
Positron annihilation in various materials has been applied to characterize microstructure for decades. In this work, PALS was used to study material nanostructure, with a focus on the size and density of free volume ...
Photoemission Spectroscopy Studies of New Topological Insulator Materials
As the size of a solid shrinks, the ratio of surface area to bulk volume grows and surface effects become more important. In a world where technologies advance with the shrinking size of electronic devices, one phase of ...
Uranium Oxides for Solid-State Direct-Conversion Neutron Detection
to achieve absorption probabilities of a few percentages: 1.5–4% for 10 MeV neutrons for natural uranium oxides, ∼2% for 1 MeV neutrons for ²³⁵U-based uranium oxides, and 7–9% for thermal neutrons for natural uranium oxides, assuming each detector is 1 cm...
Effects of pressure and temperature on the yield strength of tantalum and rhenium
The effects of pressure and temperature on the yield strength of tantalum and the effects of pressure on the yield strength of rhenium were investigated using ruby fluorescence. A new Raman system with a motorized stage ...
Mathematical Analysis of Compressive/Tensile Molecular and Nuclear Structures
Mathematical analysis in chemistry is a fascinating and critical tool to explain experimental observations. In this dissertation, mathematical methods to present chemical bonding and other structures for many-particle ...