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Magnetic and transport properties of epitaxial Co2MnSi films

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6 Author(s)
Wang, W.H. ; Nat. Inst. for Mater. Sci., Ibaraki, Japan ; Ren, X.B. ; Wu, G.H. ; Przybylski, M.
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We report on magnetic and magnetotransport properties of single-crystalline Co2MnSi films grown by using conventional pulsed laser deposition (PLD) method on moderately heated semiconductor GaAs(001) substrates. The films exhibit the expected high Curie temperature and a strong in-plane uniaxial magnetic anisotropy with the easy axis of magnetization along the [1-10] direction. A saturation magnetization of 950 emu/cm3 was measured at 5 K. The temperature dependence of the resistivity shows metallic behavior down to low temperatures. At 5 K, a rather large negative magnetoresistance (MR) of 1.26% has also been observed.

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Magnetics, IEEE Transactions on  (Volume:41 ,  Issue: 10 )