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No.4(pp.97-127)

Home > Issues > Volume 9 (2004) > No.4(pp.97-127)

Single Crystal Growth and Magnetic Properties of Mn-doped Bi₂Se₃and Sb₂Se₃

Journal of Magnetics, Volume 9, Number 4, 31 Dec 2004, Pages 125-127

Jeong-Yong Choi(Department of Physics, University of Ulsan), Hee-Woong Lee(Advanced Electrical Materials Group, Korea Electrotechnology Research Institute), Bong-Seo Kim(Advanced Electrical Materials Group, Korea Electrotechnology Research Institute), Sung-Youl Choi(Department of Physics, University of Ulsan), Ji-Youn Choi(Department of Physics, University of Ulsan), Sung-Lae Cho*

(Department of Physics, University of Ulsan)

Abstract

We have grown Mn-doped Bi₂Se₃and Sb₂Se₃ single crystals using the temperature gradient solidification method. We report on the structural and magnetic propertis of Mn-doped Bi₂Se₃and Sb₂Se₃compound semi-conductors. The lattice constants of several percent Mn-doped Bi₂Se₃and Sb₂Se₃were slightly smaller than those of the un-doped samples due to the smaller Mn atomic radius (1.40Å) than those of Bi (1.60Å) and Sb (1.45Å). Mn-doped Bi₂Se₃and Sb₂Se₃showed spin glass and paramagnetic properties, respectively.

Keywords: magnetic semiconductor; thermoelectric; Bi_2Se_3; Sb_2Se_3

DOI:

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