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Crystal-Chemical Relationships of Correlated Electronic Materials Julia Y. Chan (Department of Chemistry, Louisiana State University) DMR-0237664. 1mm. Many useful properties of known extended structure materials suggest that enhanced or new behavior remain to be discovered

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  1. Crystal-Chemical Relationships of Correlated Electronic MaterialsJulia Y. Chan (Department of Chemistry, Louisiana State University)DMR-0237664 1mm • Many useful properties of known extended structure materials suggest that enhanced or new behavior remain to be discovered • Greater structure and electronic degrees of freedom in complicated structures Ln3Co4Sn13 (Ln = La, Ce) have been grown in single crystalline form from a Sn flux. Their crystal structures are compared to the A′A′′3B4O12-type perovskites. The La compound displays conventional type II superconductivity below Tc = 2.8 K. Evidence of a heavy fermionic character is seen in the heat capacity data for the Ce compound which has a large enhanced specific heat coefficient at low temperatures.

  2. Crystal-Chemical Relationships of Correlated Electronic MaterialsDMR-0237664 Education & Outreach: Graduate & Undergraduates performing chemistry demonstrations to > 100 children Current Graduate Students: Willa Williams, Evan Thomas, Jasmine Millican, Dixie Gautreaux, Edem Okudzeto, Jung Young Cho (3 Female, 3 African Americans) Undergraduates: Andrew Bankston, Michael Parent, Shayla Thomas, Shirley Lui, Daniel Hembree Summer Visitors: Daniel Jang (High school student) and Gerald R. Weatherspoon (George Mason University) See recent article: http://www.lsu.edu/highlights/061/chem.html

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