2003/12/18 by A. B. Shick, Alexander B. Shick, F. Máca +2 · 1 citation
Physics and Astronomy · #Condensed matter physics #Electron #Enhanced Data Rates for GSM Evolution #Ferromagnetism #Geometry #Magnetic field #Magnetic moment #Magnetic properties of thin films #Magnetization #Monatomic ion #Physics #Physics of Superconductivity and Magnetism #Quantum and electron transport phenomena #Quantum mechanics #Spin (aerodynamics) #Symmetry (geometry) #cond-mat.mtrl-sci
paper · pdf · doi:10.1103/physrevb.69.212410
Presented at MRS Meeting in Boston, Dec. 2003; 4 pages including 3 figures
arxiv created 2003/12/18 · openalex publication_date 2004/06/24 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
A first-principles investigation of the anomalous ferromagnetism of a quasi-one-dimensional Co chain at the Pt(111) step edge is reported. Our calculations show that the symmetry breaking at the step leads to an easy magnetization axis at an odd angle of \ensuremath∼20\ifmmode^∘\else\textdegree\fi towards the Pt step, in agreement with experiment [P. Gambardella et al., Nature (London) 416, 301 (2002)]. Also, the Co spin and orbital moments become noncollinear, even in the case of a collinear ferromagnetic spin arrangement. A significant enhancement of the Co orbital magnetic moment is achieved when modest electron correlations are treated within LSDA+U calculations.