J. Phys. I France
Volume 7, Numéro 7, July 1997
Page(s) 865 - 875
DOI: 10.1051/jp1:1997202
J. Phys. I France 7 (1997) 865-875

Temperature Dependence of Spin Density in Ni $\mathsf{_3}$Al: Comparison with Pure Ni

A. Paciaroni, C. Petrillo and F. Sacchetti

Istituto Nazionale per la Fisica della Materia, Unitá di Perugia, Perugia, Italy and Dipartimento di Fisica, Université di Perugia, Via A. Pascoli, 06123 Perugia, Italy

(Received 14 February 1997, received in final form and accepted 1 April 1997)

The results of a spin density measurement in the compound Ni 3Al as functions of both temperature and magnetic field are reported. A comparative analysis of the present data with those measured in both Ni 3Al at 4.2 K (Felcher G.P. et al., Phys. Rev. B16 (1977) 2124) and pure Ni at various temperatures (Brown P.J. et al., J. Phys. I France 1 (1991) 1529) is presented. By means of this analysis, the deformation of the electron distribution is deduced and the connection with the formation of a magnetic phase in Ni-based systems is enhanced.

© Les Editions de Physique 1997

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