Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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Composition-dependent Magnetic Properties of Si1-xMnx (0.1 < x <0.9) Single Crystals

  • Received : 2010.05.27
  • Accepted : 2010.06.18
  • Published : 20100600
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Abstract

In this study, we investigated the optical, magnetic, and electrical transport properties of $Si_{1-x}Mn_x$ (0.1 < x < 0.9) single crystals grown by the vertical Bridgman method. The alloys with a Mn concentration of up to 64% demonstrated weak ferromagnetic ordering around $T_C=30\;K$. The $Si_{0.25}Mn_{0.75}$ and $Si_{0.18}Mn_{0.82}$ alloys showed weak ferromagnetic ordering at 70 K and antiferromagnetic ordering at 104 K, as confirmed by magnetization, neutron diffraction, and transport studies.

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