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Thermal Spontaneous Magnetization in Y2Ni7

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Recent Developments in Condensed Matter Physics

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Abstract

An original magnetic behaviour has been evidenced in the Y2Ni7 compound: at low temperature it is an exchange enhanced Pauli paramagnet. At Ts = 7 K, a spontaneous magnetization appears which reaches a maximum of 0.02 µβ/Ni near 40 K and becomes zero at Tc = 58 K. This behaviour that we have called “thermal spontaneous magnetization” had been predicted theoretically but had not been observed up to now. It can be obtained if the Stoner criterion is almost fullfilled and if the Fermi level lies in a zone where the density of states has a strong positive curvature. In Y2Ni7 such conditions are fullfilled because of the formation of 3d − 4d hybridized states when alloying 3d and 4d metals.

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References

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Author information

Authors and Affiliations

  1. Laboratoire Louis Néel, C.N.R.S., 166X, 38042, Grenoble-Cédex, France

    D. Gignoux, R. Lemaire & P. Molho

  2. Institut Laue-Langevin, 156X, 38042, Grenoble-Cédex, France

    F. Tasset

Authors
  1. D. Gignoux
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  2. R. Lemaire
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  3. P. Molho
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  4. F. Tasset
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Editor information

Editors and Affiliations

  1. University of Antwerpen (RUCA and UIA), Belgium

    J. T. Devreese (Chairman of the Conference) (Chairman of the Conference)

  2. University of Antwerpen (RUCA), Belgium

    L. F. Lemmens  & V. E. Van Doren  & 

  3. University of Antwerpen (UIA), Belgium

    J. Van Royen

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© 1981 Plenum Press, New York

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Gignoux, D., Lemaire, R., Molho, P., Tasset, F. (1981). Thermal Spontaneous Magnetization in Y2Ni7 . In: Devreese, J.T., Lemmens, L.F., Van Doren, V.E., Van Royen, J. (eds) Recent Developments in Condensed Matter Physics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-1086-0_32

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  • DOI: https://doi.org/10.1007/978-1-4684-1086-0_32

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4684-1088-4

  • Online ISBN: 978-1-4684-1086-0

  • eBook Packages: Springer Book Archive

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