A5018262399- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Magnetism in coordination complexes
- Lanthanide and Transition Metal Complexes
- Metal complexes synthesis and properties
- Electron Spin Resonance Studies
- Luminescence Properties of Advanced Materials
- Molecular spectroscopy and chirality
- Porphyrin and Phthalocyanine Chemistry
- Organic and Molecular Conductors Research
- Advanced NMR Techniques and Applications
- Radiation Detection and Scintillator Technologies
- Metal-Catalyzed Oxygenation Mechanisms
- Metal-Organic Frameworks: Synthesis and Applications
- Zeolite Catalysis and Synthesis
University of Tennessee at Knoxville
2020-2022
Maryville College
2017
Abstract Large separation of magnetic levels and slow relaxation in metal complexes are desirable properties single‐molecule magnets (SMMs). Spin‐phonon coupling (interactions with phonons) is ubiquitous, leading to loss memory SMMs quantum coherence qubits. Direct observation transitions spin‐phonon molecules challenging. We have found that far‐IR spectra (FIRMS) Co(PPh 3 ) 2 X ( Co‐X ; X=Cl, Br, I) reveal rarely observed as avoided crossings between u ‐symmetry phonon transitions....
A combination of inelastic neutron scattering (INS), far-IR magneto-spectroscopy (FIRMS), and Raman (RaMS) has been used to comprehensively probe magnetic excitations in Co(AsPh3)2I2 (1), a reported single-molecule magnet (SMM). With applied field, the zero-field splitting (ZFS) peak (2D') shifts higher energies each spectroscopy. INS placed ZFS at 54 cm-1, as revealed by both variable-temperature (VT) variable-magnetic-field data, giving results that agree well with those from studies. Both...
Two-dimensional (2D) coordination polymer (CP) [CoIII(CN)6]2[CoII(TODA)]3·7H2O (TODA = 1,4,10-trioxa-7,13-diazacyclopentadecane, Co-TODA) was reported earlier to show field-induced slow magnetic relaxation, displaying single-ion magnet (SIM) behaviors. Most SIMs are molecular compounds with fewer adopting or metal–organic framework (MOF) structures. In the current work, and phonon properties of Co-TODA have been studied by advanced spectroscopies computations. The combined use far-IR...