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First-order Field-Induced Magnetization Processes and Magnetostriction in Tb2Co12Fe5

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Abstract

We report the results of magnetization and magnetostriction measurements performed by pulsed-magnetic-field techniques on the intermetallic compound Tb2Co12Fe5. The temperature dependence of the critical field at which the first-order magnetization process takes place was measured by a singular point detection technique on aligned powders. Magnetostriction measurements were performed by a strain-gauge-based technique at different temperatures. The obtained results are compared with observations recently made for the closely related compound Pr2Co12Fe5, allowing to clarify the crucial role of both the rare-earth and the transition-metal sublattices in the peculiar behaviour of the latter.

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Authors and Affiliations

  1. Joint Research Centre, Institut for Transuranium Elements, European Commission, Postfach 2340, 76125, Karlsruhe, Germany

    N. Magnani

  2. Instituto de Ciencia de Materiales de Aragón, Facultad de Ciencias, Universidad de Zaragoza-CSIC and Departamento de Fisica de la Materia Condensada, 50009, Zaragoza, Spain

    P. A. Algarabel & M. R. Ibarra

  3. Consiglio Nazionale delle Ricerche, Istituto dei Materiali per l’Elettronica ed il Magnetismo, Parco Area delle Scienze 37/A, 43010, Parma, Italy

    A. Paoluzi

Authors
  1. N. Magnani
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  2. P. A. Algarabel
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  3. A. Paoluzi
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  4. M. R. Ibarra
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Correspondence to N. Magnani.

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Magnani, N., Algarabel, P.A., Paoluzi, A. et al. First-order Field-Induced Magnetization Processes and Magnetostriction in Tb2Co12Fe5 . J Low Temp Phys 159, 72–75 (2010). https://doi.org/10.1007/s10909-009-0071-0

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  • DOI: https://doi.org/10.1007/s10909-009-0071-0

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