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SM ISO690:2012 ARUSHANOV, Ernest, IVANENKO, L., VINZELBERG, H., ECKERT, Dieter, BEHR, Gunther U., RÓßLER, Ulrich K., MÜLLER, Karl Hartmut, SCHNEIDER, Claus Michael, SCHUMANN, Joachim. Magnetic and electrical properties of Mn-doped p-type β-FeSi 2 single crystals. In: Journal of Applied Physics, 2002, vol. 92, pp. 5413-5419. ISSN 0021-8979. DOI: https://doi.org/10.1063/1.1511274 |
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Journal of Applied Physics | |
Volumul 92 / 2002 / ISSN 0021-8979 /ISSNe 1089-7550 | |
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DOI:https://doi.org/10.1063/1.1511274 | |
Pag. 5413-5419 | |
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We investigated the temperature and magnetic field dependence of the Hall effect, the magnetization and the resistivity of Mn-doped β-FeSi 2 single crystals in the temperature range of 4-300 K in magnetic fields up to 5 T. A negative magnetoresistance as well as strong nonlinear magnetic field dependence of the Hall resistivity and magnetization were observed. The anomalous contribution to the Hall resistivity is found to be important. We also observed the value of the anomalous Hall coefficient to increase with decreasing temperature as the square of the resistivity. It was shown that the magnetization of Mn-doped samples cooled in zero-external field and in a field are different. This resembles the properties of spin glasses. The dominant scattering mechanisms are determined by analyzing the Hall mobility data. The value of the valence band deformation potential is estimated. A particularly important role is played by the anomalous Hall effect which is the microscopic mechanism involving the spin dependent scattering on Mn ions and spin-orbit coupling in the Mn-doped β-FeSi 2 single crystals. |
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Cuvinte-cheie Engineering controlled terms Electric properties, Hall effect, Magnetic fields, magnetization, manganese, Single crystals Engineering uncontrolled terms Anomalous hall effects, Band deformation, Hall coefficient, Hall resistivity, Magnetic and electrical properties, Magnetic field dependences, Microscopic mechanisms, Mn ions, Mn-doped, Negative magneto-resistance, Nonlinear magnetic fields, p-Type, Scattering mechanisms, Spin dependent scattering, Spin-orbit couplings, Temperature range Engineering main heading Doping (additives) |
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