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Electronic structure and magnetic properties of the HoCo5-XSix system

D. BENEA1, O. ISNARD2,3, N. COROIAN1,2, V. POP1,*

Affiliation

  1. Babes Bolyai University, Faculty of Physics, 400084 Cluj-Napoca, Romania
  2. Institut Néel, CNRS, associé a Université Joseph Fourier, BP166, 38042 Grenoble cedex, France
  3. Institut Universitaire de France, Maison des Universites, 103 Boulevard Saint Michel, 75005 Paris cedex, France

Abstract

Detailed theoretical and experimental investigations of the electronic and magnetic properties of the HoCo5-xSix compound (x = 0.5 and 1.0) have been performed. All theoretical investigations of the electronic and magnetic properties of the system have been done using the Korringa-Kohn-Rostoker (KKR) band structure method. The calculated magnetic moments range between 1.36 to 1.5 μB per Co atom, depending on the crystal site. The calculations show a spin and orbital moment of Ho of 3.85 μB and 5.46 μB, respectively, oriented antiparallel to the Co moments. These results are in reasonable agreement with macroscopic saturation magnetisation..

Keywords

Band structure calculations, Magnetic moments, Density of states, Intermetallic compounds.

Submitted at: April 1, 2008
Accepted at: July 1, 2008

Citation

D. BENEA, O. ISNARD, N. COROIAN, V. POP, Electronic structure and magnetic properties of the HoCo5-XSix system, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 7, pp. 1767-1770 (2008)