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Page 1: Ho 4 Pt Ga 12

NSF CAREER: Crystal-Chemical Relationships of Correlated Electronic Materials Julia Chan, Louisiana State University, DMR 0237664

Ln

Ga

M

Ho4PtGa12

0

200

400

600

800

1000

0 2 4 6 8 10

/

0 x 1

00

(%

)

H (Tesla)

Ln4PtGa

12 Ho

Er

Dy

Cho, et al., J. Phys.: Condens. Matter, 2007, 19, 266224 Thomas, E.L. Chem. Mater. 2005, 17, 5810-5816

Δρ

/ρo x

10

0 %

Δρ

/ρo x

10

0 %

GdNiSb2

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.

1mm

Page 2: Ho 4 Pt Ga 12

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 minoritiesGraduate & Undergraduates performing materials chemistry demonstrations to > 100 children

Julia Chan, Louisiana State University, DMR 0237664