Journal
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
Volume 241, Issue 7, Pages 1541-1544Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssb.200304527
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We have fabricated Mn-doped Bi2Te3 and Sb2Te3 single crystals by the vertical gradient solidification method. The compositions and crystal structures of Bi2-xMnxTe3 and Sb2-xMnxTe3 were determined using Electron Probe Micro-Analyzer (EPMA) and powder X-ray diffraction (XRD) patterns, respectively. Both crystal structures were rhombohedral with smaller lattice constants because of the smaller atomic radius of Mn than those of Bi and Sb. Based on the magnetization measurements, Mn-doped Bi2Te3 and Sb2Te3 compounds have ferromagnetic ordering at T-C = 10 and 17 K, respectively. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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