Research Papers in Physics and Astronomy


Date of this Version



JOURNAL OF APPLIED PHYSICS 111, 07E326 (2012); doi:10.1063/1.3675615


Copyright VC 2012 American Institute of Physics.


The structural, magnetic, and electron transport properties of Mn55=xFexBi45 (x¼0, 2, 4, 5, 8, 11, 13, 16) films prepared by multilayer deposition and annealing using e-beam evaporation have been investigated. Fe doping has produced a significant change in the magnetic properties of the samples including the decrease in saturation magnetization and magnetocrystalline anisotropy and increase in coercivity. Although the magnetization shows a smooth decrease with increasing Fe concentration, the coercivity jumps abruptly from 8.5 kOe to 22 kOe as Fe content changes from 4% to 5%, but the change in coercivity is small as the concentration goes beyond 5%. The temperature dependence of resistivity shows that the samples with low Fe concentration (

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