Magnetocrystalline anisotropy of Fe3Ge single crystal: Effect of pressure and Mn substitution for Fe (Articolo in rivista)

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  • Magnetocrystalline anisotropy of Fe3Ge single crystal: Effect of pressure and Mn substitution for Fe (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.1768613 (literal)
Alternative label
  • Albertini F., Negri D., Pareti L., Watts E. B., Arnold Z., Kamarad J., Calestani G., Deriu A., Besseghini S. (2004)
    Magnetocrystalline anisotropy of Fe3Ge single crystal: Effect of pressure and Mn substitution for Fe
    in Journal of applied physics; American Institute of Physics, Woodbury [NY] (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Albertini F., Negri D., Pareti L., Watts E. B., Arnold Z., Kamarad J., Calestani G., Deriu A., Besseghini S. (literal)
Pagina inizio
  • 2110 (literal)
Pagina fine
  • 2114 (literal)
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  • 96 (literal)
Rivista
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  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • [ 1 ] CNR IMEM, I-43010 Fontanini Parma, Italy [ 2 ] Acad Sci Czech Republ, Inst Phys, Prague 18221 8, Czech Republic [ 3 ] Univ Parma, Dipartimento Chim, I-43100 Parma, Italy [ 4 ] Univ Parma, Dipartimento Fis, I-43100 Parma, Italy [ 5 ] Univ Parma, INFM, I-43100 Parma, Italy [ 6 ] CNR IENI, I-23900 Lecce, Italy (literal)
Titolo
  • Magnetocrystalline anisotropy of Fe3Ge single crystal: Effect of pressure and Mn substitution for Fe (literal)
Abstract
  • The temperature dependence of the magnetocrystalline anisotropy and the effects of pressure on the intrinsic magnetic properties of the hexagonal DO19 phase of Fe3Ge single crystals have been studied. The easy-magnetization direction is in the basal plane at low temperatures and a spin reorientation transition from plane to axis occurs at 377 K, with increasing temperature. The thermal dependence of the magnetic anisotropy of Fe3Ge has been determined and described in the frame of the Carr model for localized moments. The partial substitution of Fe by Mn, besides reducing both the saturation magnetization and Curie temperature, extends the axial region widely. Pressure has little influence on the magnetic moment but it markedly affects the crystalline anisotropy. The planar character of the anisotropy is indeed reduced in both pure and substituted compounds. The application of high pressure, the partial substitution of Fe by Mn and the increase of temperature have similar effects on the magnetocrystalline anisotropy of Fe3Ge-all induce a reduction of its planar character, favoring a plane to axis spin reorientation transition. (C) 2004 American Institute of Physics. (literal)
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