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Structural and Magnetic Properties of RE2Fe17Hx (RE = Nd,Sm) Hydrides and Iron-Rich Compounds Nd(Co1-xFex)9Si2 and Gd(FexAl1-x)12

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Concerted European Action on Magnets (CEAM)

Abstract

The influence of the hydrogen absorption on the magnetic properties of RE2Fe17 (RE = Nd,Sm) compounds has been studied. After hydrogenation, the Curie temperature increases by well over 100°C for both intermetallic materials. On the other hand the new compounds Gd(FexAl1-x) and Nd(Co1-xFex)9Si2 have been obtained by melt-spinning or arc-melting. For x < 0.83, the Gd(FexAl1-x)12 materials crystallize in tetragonal ThMn12 structure type arid are ferrimagnetic. The tetragonal BaCd11 structure type is found for Nd(Co1-xFex)9Si2 silicides. In this system, the Curie temperature goes through a maximum as x increases (Tc ≃ 560 K for x = 0.22).

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Authors and Affiliations

  1. Laboratoire de Chimie du Solide du C.N.R.S., Université de Bordeaux I, 351 cours de la Libération, 33405, Talence Cedex, France

    B. Chevalier & J. Etourneau

  2. Physics Department, Trinity College, Dublin 2, Ireland

    J. M. D. Coey

Authors
  1. B. Chevalier
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  2. J. Etourneau
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  3. J. M. D. Coey
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Editor information

Editors and Affiliations

  1. Commission of the European Communities, Brussels, Belgium

    I. V. Mitchell

  2. Trinity College, Dublin, Ireland

    J. M. D. Coey

  3. Laboratoire Louis Néel, CNRS, Grenoble, France

    D. Givord

  4. University of Birmingham, UK

    I. R. Harris

  5. Technische Universität Berlin, Federal Republic of Germany

    R. Hanitsch

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© 1989 ECSC, EEC, EAEC, Brussels and Luxembourg

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Chevalier, B., Etourneau, J., Coey, J.M.D. (1989). Structural and Magnetic Properties of RE2Fe17Hx (RE = Nd,Sm) Hydrides and Iron-Rich Compounds Nd(Co1-xFex)9Si2 and Gd(FexAl1-x)12 . In: Mitchell, I.V., Coey, J.M.D., Givord, D., Harris, I.R., Hanitsch, R. (eds) Concerted European Action on Magnets (CEAM). Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1135-2_11

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  • DOI: https://doi.org/10.1007/978-94-009-1135-2_11

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-7003-4

  • Online ISBN: 978-94-009-1135-2

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