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ELSEVIER Physica B 223&224 (1996) 256 259 Studies of the correlated electron system SmB6

Summary: ELSEVIER Physica B 223&224 (1996) 256 259
Studies of the correlated electron system SmB6
A. Kebede a, M.C. Aronson b, C.M. Buford a, P.C. Canfield c, Jin Hyung Cho d, B. R. Coles e,
J.C. Cooley b, J.Y. Coulter d, Z. Fisk f, J.D. Goettee d, W.L. Hults d, A. Lacerda d'f,
T.D. McLendon a, P. Tiwari ~, J.L. Smith d'*
"Department of Physics, North Carolina A&T State University, Greensboro, NC 27411, USA
bDepartment of Physics, University of Michigan, Ann Arbor, MI 48109, USA
CAmesLaboratory, Iowa State University, Ames, 1A 50011, USA
dLos Alamos National Laboratory, Los Alamos, NM 87545, USA
CDepartment of Physics, Imperial College, Prince Consort Road, London SW7 2BZ, UK
fNational High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32306, USA
We have prepared high-quality, single crystals of SmB6 under various conditions to improve sample quality. We have
measured the resistivity and magnetic susceptibility from room to liquid-helium temperatures to sort samples. We have
applied pulsed magnetic fields as high as 50 T at temperatures as low as 40 mK while measuring resistivity. Our samples
are of higher quality than previously known. All solvent-grown, single-crystal samples should be etched to remove
a surface conductivity.
1. Introduction
The heavy-fermion materials have properties that are
now reasonably well established [1]. The quality of sam-


Source: Aronson, Meigan - Department of Physics and Astronomy, SUNY at Stony Brook


Collections: Materials Science; Physics