Oscillatory Exchange Coupling across Cr$_{(1-x)}$V$_x$ Alloy spacers

Details Oscillatory Exchange Coupling across Cr$_{(1-x)}$V$_x$ Alloy spacers Oscillatory Exchange Coupling across Cr$_{(1-x)}$V$_x$ Alloy spacers

1999-08-03

arxiv.org/abs/cond-mat/9908049v1

Physical Review Letters, v. 83, p. 215 (1999)

Physics

Condensed Matter

Materials Science

Scientific paper

10.1103/PhysRevLett.83.215

We have identified the pieces of the Fermi surface responsible for the long
period oscillations of magnetic coupling across Cr and Cr$_{(1-x)}$V$_x$ alloy
spacers in metallic multilayers. Analysing experiments and results of KKR-CPA
calculations we find that the periods are determined by the extremal
wave~vectors of the hole pockets centered on the N-point in the Brillouin zone.

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