Publication Type
Conference Paper
Journal Name
Journal of Applied Physics
Publication Date
Page Number
17E1121
Volume
113
Issue
17
Conference Name
12th Joint MMM-Intermag Conference
Conference Location
Chicago, Illinois, United States of America
Conference Date
Abstract
First principle calculations are performed to study the longitudinal degree of freedom of the magnetic moment in BCC iron. A model of the Heisenberg type of exchange interaction is proposed, which couples the spin and lattice degrees of freedom. Monte Carlo simulations are then applied to study the effect of thermal displacements on the magnetic phase transition in BCC Iron. The reason for the surprising success of fixed lattice Heisenberg models is explained.
