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Meeting Materials Science & Technology 2015
Symposium Ceramic Optical Materials
Presentation Title NMR Spectroscopy of Paramagnetic Doped Ceramics to Determine Site Occupancy and Distribution
Author(s) Ryan J McCarty, Jonathan F Stebbins
On-Site Speaker (Planned) Ryan J McCarty
Abstract Scope High resolution solid state Nuclear Magnetic Resonance (NMR) spectroscopy has been widely used to investigate structure and ordering in diamagnetic ceramic solids. A novel approach is to examine compounds doped with paramagnetic cations, in which unpaired electrons can in some cases produce distinct resonances in the spectra of NMR active nuclides. These resonances are can be quantified for 1st and 2nd neighbor interactions, placing bounds on paramagnetic cation site preference and distribution. This approach may be valuable when structurally characterizing optical materials such as photonics and phosphors. Examples of the successful applications of this approach include REE in Y, La phosphates (31P), transition metals in silicate garnets (27Al and 29Si) and in olivines (29Si), and new work on Nd in YAG (27Al).
Proceedings Inclusion? Planned: MS&T all conference proceedings CD

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Cladded Single Crystal Fibers
Creation of New Material Science on Optical Ceramics
Effects of Varied Heat Treatments on Precipitation of Alumina in Astoichiometric Magnesium Aluminate Spinel
Fabrication of Transparent Magnesium Aluminate Spinel Ceramics using Two Kinds of Spinel Powder with Different Particle Sizes
Fundamental Study in the Processing of Transparent Ceramics
Highly Transparent Polycrystalline YAG Ceramics for Optical Applications
Laser Oscillation of Lu-based Oxide Ceramics by Spark Plasma Sintering
Low Absorption Spinel Windows for High Energy Lasers
NMR Spectroscopy of Paramagnetic Doped Ceramics to Determine Site Occupancy and Distribution
Novel Glass and Glass Ceramic Scintillators for Gamma-ray and Neutron Detection
Polycrystalline Transparent Yttrium Aluminum Garnet for Optical Applications
Praseodymium-doped SiAlON Red Phosphors Prepared by Polymer-derived Method
Processes and Characterizations of Ceramic Optical Fibers
Spark Plasma Sintering of Transparent Ceramics and Unusual Grain Growth
Synthesis and Processing of Transparent Ceramic Scintillators for Nuclear Radiation Detection
The Role of Scattering and Absorption on the Optical Properties of Birefringent Polycrystalline Ceramics: Modeling and Experiments
Transparent Ceramic Scintillators
Transparent Magnesium Aluminate Spinel Prepared via Microfluidization and Aqueous Slip-casting
Transparent Spinel by Microwave Sintering

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