nmtdonor210.3.17

 

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Materials Engineering Seminar

Date: Wed. 1 Mar, 2017 3:00 pm - 4:00 pm
Duration: 1 Hour
Location: Cramer Hall

Dr. Peter Dickens., Sandia National Laboratories, will present the Materials Engineering Seminar Series. His talk is titled "Increased Vacancy Formation and Improved Decay Kinetics in Cerium and Calcium Co-doped Yttrium Aluminum Garnet." Dickens will discuss the scintillation and defect properties of three Ce,Ca:Y3Al5O12 single crystals grown by the Czochralski method at the Center for Materials Research, Washington State University, which were co-doped with different amounts of calcium. Among the characterization methods used, positron annihilation spectroscopy, x-ray absorption spectroscopy, and photoluminescence combined with YAG's crystal field splitting of the Ce 5d levels help to elucidate the mechanism for improved scintillation decay times in the scintillator. 3 p.m. Wednesday, March 1, in Cramer 124

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