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Now showing items 1-14 of 14
In Pursuit of Extraordinarily Twisted Acenes
(2015-05-26)
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 ...
Design of Instrumentation and Methodologies for Determination of Free Neutron Characteristics
(University of Missouri -- Kansas City, 2017)
Measuring neutron source‐dependent free neutron properties over a large neutron energy range, with human‐portable instrumentation, continues to push the frontier of neutron detection instrumentation design and analysis ...
Constructing massive blue elliptical galaxies in the local universe
(2013)
Over cosmic time, galaxy mass assembly has transitioned from low-mass, starforming
disk galaxies to massive, quiescent elliptical galaxies. The merger hypothesis for
the formation of new elliptical galaxies provides one ...
Photoemission Spectroscopy Studies of New Topological Insulator Materials
(2015-08-04)
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
(2020)
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
(2013)
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 ...
The role of the tribal elder in teaching calculus through an ethnomathematics lens
(University of Missouri--Kansas City, 2012-04-19)
In action research study I was the classroom teacher of high school-aged African American students participating in the six-week summer portion of the Reach Up program. The purpose of Reach Up is to help students improve ...
Mathematical Analysis of Compressive/Tensile Molecular and Nuclear Structures
(2015-06-19)
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 ...
Characteristic Mode Analysis of Crumpled Graphene Flakes and A New Green’s Functions Evaluation Method for Layered Media
(University of Missouri -- Kansas City, 2019)
Graphene flakes (GFs) in real composites are rarely perfectly flat, and often exhibit complicated crumpled shapes. Therefore, the goal of this work was to quantify the electromagnetic scattering characteristics of individual ...
Application of ab initio calculations to collagen and brome mosaic virus
(2014-07-17)
In bio-related research, large proteins are of important interest. We study two such proteins. Collagen contains one such protein, the collagen triple-helix, which forms part of the structural matrix for animals, such as ...
Frequency and Field Strength Materials Characterization with Complementary Split-ring Resonators, Coplanar Waveguides, and the Virtual Ground Method
(University of Missouri -- Kansas City, 2019)
In the radiofrequency bands, measuring the power-dependent complex permittivity
and permeability of materials that undergo metal–insulator transitions is a significant
challenge which is important for defense and ...
Neutron Response Vectorization and Optimization of Moderating Neutron Spectrometers for Active Interrogation
(University of Missouri–Kansas City, 2015)
The detection of special nuclear material (SNM) is no trivial task; the low activity of isotopes such as 235U and the ease of shielding make their passive detection virtually impossible in the maritime environment. Active ...
Spatiotemporal Modeling and Analysis of Disease Spread in Wildlife
(University of Missouri--Kansas City, 2018)
Wildlife and wildlife diseases have been frequent topics in mathematical epidemiology. However, due to the complexity of real-world systems and the varying degree of randomness in the behavior of any one individual organism, ...