Magnetic, transport, and thermal properties of single crystals of the layered arsenide BaMn 2 As 2

作者: Yogesh Singh , A. Ellern , D. C. Johnston

DOI: 10.1103/PHYSREVB.79.094519

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摘要: Abstract Growth of BaMn 2 As 2 crystals using both MnAs and Sn fluxes is reported. Room-temperature crystallography, anisotropic isothermal magnetization M versus field H and magnetic susceptibility χ versus temperature T, electrical resistivity in the ab plane ρ (T), and heat capacity C (T) measurements on the crystals were carried out. The tetragonal ThCr 2 Si 2-type structure of BaMn 2 As 2 is confirmed. After correction for traces of ferromagnetic MnAs impurity phase using M (H) isotherms, the inferred intrinsic χ (T) data of the crystals …

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