Incommensurate and commensurate antiferromagnetic spin fluctuations in Cr and Cr alloys from ab initio dynamical spin susceptibility calculations
UNSPECIFIED. (1999) Incommensurate and commensurate antiferromagnetic spin fluctuations in Cr and Cr alloys from ab initio dynamical spin susceptibility calculations. PHYSICAL REVIEW LETTERS, 82 (16). pp. 3340-3343. ISSN 0031-9007Full text not available from this repository.
A scheme for making nb initio calculations of the dynamic paramagnetic spin susceptibilities of solids at finite temperatures is described. It is based on time-dependent density functional theory and employs an electronic multiple scattering formalism. Incommensurate and commensurate antiferromagnetic spin fluctuations in paramagnetic Cr and compositionally disordered Cr95V5 and Cr95Re5 alloys are studied together with the connection with the nesting of their Fermi surfaces. We find that the spin fluctuations can be described rather simply in terms of an overdamped oscillator model. Good agreement with inelastic neutron scattering data is obtained. [S0031-9007(99)08949-8].
|Item Type:||Journal Article|
|Subjects:||Q Science > QC Physics|
|Journal or Publication Title:||PHYSICAL REVIEW LETTERS|
|Publisher:||AMERICAN PHYSICAL SOC|
|Date:||19 April 1999|
|Number of Pages:||4|
|Page Range:||pp. 3340-3343|
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