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This dissertation has focused on studying the electron spin dynamics in the quantum and classical limit and, most importantly, at the quantum-classical boundary. We have successfully used high frequency electron paramagnetic resonance ...
Extended Metal Atom Chains (EMACs) are compounds that consist of three or more metal atoms that are directly bonded with the support of equatorial organic ligands. This dissertation is focused on the high frequency electron magnetic...
The focus of this dissertation is to study the magnetic properties of several novel transition metal complexes, with particular emphasis on using SQUID magnetometry alongside electron paramagnetic resonance (EPR) and spectral simulations...
Spin-polarized unrestricted density functional theory is used to calculate the molecular properties of magnetic semiconductor quantum dots doped with 3d-metal atoms. We calculate total energies of the low spin antiferromagnetically...
This dissertation presents EPR spectroscopic, dc magnetic susceptibility, and thermo-magnetic studies of three spin S = 1 systems. This work is primarily focused on the complexes [(CH3CN)5VOV(CH3CN)][BF4]4, Cr(C4H13N3)((O2)2.H2O and Cr...
This dissertation details the synthesis and characterization of a new multiferroic family, (NH4)xK(1-x)CuCl3, where (0 <= x <= 1.00). The incentive for investigation of this family arose from the need for a set of unique multiferroic...
This dissertation reports on the synthesis of a new magnetic ferroelectric family of crystals, M3-x(NH4)xCr(O2)4 (M= K, Rb and Cs), and their characterization by variable temperature x-ray crystallography, specific heat, dielectric...
This dissertation is focused on the study of a series of paramagnetic materials from molecular to nanoscale with increasing number of transition metal ions. We have successfully used techniques like SQUID magnetometry, high frequency...
This dissertation details the use of solid state 1H nuclear magnetic resonance (NMR) to investigate three compounds exhibiting phase transitions. The metal-organic framework (MOF) [(CH3)2NH2]Zn(HCOO)3 has a ferroelectric (FE) transition...
The focus of this dissertation is a detailed study of magnetic materials based on the (rare) pentavalent oxidation state of Chromium, Cr5+, represented by M3CrO8 and M1M2'CrO 8 where M = Li+, Na+, K+, Rb+, Cs+ (pure peroxychromates), M1 ...
This dissertation is composed into two primary portions defined by the material types investigated. The first part is concerned with the magneto- and thermo-optical properties of trivalent lanthanide-doped metal-oxides using europium as...
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