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Exploring Large Magnetoresistance in Intermetallic Compounds: A Study on Single Crystals

This research examines intermetallic compounds showcasing large magnetoresistance (MR) values through single crystal measurements. The MR is defined as ( MR% = frac{ho_H - ho_0}{ho_0} times 100% ). Focused on materials synthesized in our laboratory, the study highlights crystals such as Ln GdNiSb2 and Ho4PtGa12. The project is led by Julia Chan at Louisiana State University under NSF CAREER award DMR 0237664, emphasizing the education and outreach of underrepresented minority students in materials chemistry, involving both graduate and undergraduate participants.

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Exploring Large Magnetoresistance in Intermetallic Compounds: A Study on Single Crystals

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  1. 1mm M Examples of compounds showing large magnetoresistance (MR % = (ρH-ρ0)/ρ0 × 100 %). All measurements were performed on single crystals. Shown below are single crystals of intermetallic compounds discovered in our laboratory. Ga NSF CAREER: Crystal-Chemical Relationships of Correlated Electronic MaterialsJulia Chan, Louisiana State University, DMR 0237664 Ln GdNiSb2 Ho4PtGa12 Δρ/ρo x 100 % Δρ/ρo x 100 % Cho, et al., J. Phys.: Condens. Matter, 2007,19, 266224 Thomas, E.L. Chem. Mater.2005,17, 5810-5816

  2. Julia Chan, Louisiana State University, DMR 0237664 Education & Outreach Former Graduate Students: Robin Macaluso (Univ of N. Colorado),Evan Thomas (NIST, NRC Postdoc, Jasmine Millican (NIST, NRC Postdoc), Willa Williams (MS Valley, HBCU) Current Graduate Students: Dixie Gautreaux, Edem Okudzeto, Jung Young Cho , Stacie Lesure, Kandace Thomas Undergraduates: Michael Parent, Shirley Lui, Daniel Hembree, Cedric McCall Summer Visitors: Chad Thibodeaux Blue = Under-represented minorities Graduate & Undergraduates performing materials chemistry demonstrations to > 100 children

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