Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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Single Crystal Growth and Magnetic Properties of Mn-doped Bi2Se3 and Sb2Se3

  • Choi, Jeong-Yong (Department of Physics, University of Ulsan) ;
  • Lee, Hee-Woong (Advanced Electrical Materials Group, Korea Electrotechnology Research Institute) ;
  • Kim, Bong-Seo (Advanced Electrical Materials Group, Korea Electrotechnology Research Institute) ;
  • Choi, Sung-Youl (Department of Physics, University of Ulsan) ;
  • Choi, Ji-Youn (Department of Physics, University of Ulsang) ;
  • Cho, Sung-Lae (Department of Physics, University of Ulsan)
  • Published : 2004.12.01
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Abstract

We have grown Mn-doped $Bi_2Se_3$ and $Sb_2Se_3$ single crystals using the temperature gradient solidification method. We report on the structural and magnetic propertis of Mn-doped $Bi_2Se_3$ and $Sb_2Se_3$ compound semi-conductors. The lattice constants of several percent Mn-doped $Bi_2Se_3$ and $Sb_2Se_3$ were slightly smaller than those of the un-doped samples due to the smaller Mn atomic radius ($1.40 {\AA}$) than those of Bi ($1.60 {\AA}$) and Sb ($1.45 {\AA}$). Mn-doped $Bi_2Se_3$ and $Sb_2Se_3$ showed spin glass and paramagnetic properties, respectively.

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