David Hobbs
Professor
Fully unconstrained non-collinear magnetism in triangular Cr and Mn monolayers and overlayers on Cu(111) substrates
Author
Summary, in English
A recently developed fully unconstrained approach to non-collinear magnetism has been applied to the investigation of the magnetic ground state of triangular free-standing Cr and Mn monolayers and overlayers on Cu(111) substrates. Such systems represent a physical realization of a frustrated two-dimensional antiferromagnet. We find that the ground state of the Cr monolayers is non-collinear; it shows (3)1/2×(3)1/2 periodicity with ±120° angles between the directions of the magnetic moments on neighbouring sites. Mn monolayers on the other hand have a collinear ground state with antiferromagnetically coupled rows and c(2×2) periodicity. The fully unconstrained description allows for a detailed investigation of the spin densities in the interstitial regions.
Publishing year
2000
Language
English
Pages
7025-7025
Publication/Series
Journal of Physics: Condensed Matter
Volume
12
Document type
Journal article
Publisher
IOP Publishing
Status
Published
ISBN/ISSN/Other
- ISSN: 1361-648X