Kazantseva, N., Wieser, R. and Nowak, U. (2005) Transition to Linear Domain Walls in Nanoconstrictions. Physical Review Letters, 94 (3). 037206-1. ISSN 1079-7114
Domain walls in nanoconstrictions are investigated with a focus on thermal properties. In general, the magnetization component perpendicular to the easy axis which in a domain wall usually occurs has a value different from the easy-axis bulk magnetization value with a separate phase transition at a critical temperature below the Curie temperature. Since this effect is the more pronounced the smaller the domain wall width is, we investigate it especially in domain walls with a confined geometry, using analytical arguments, mean-field theory, and Monte Carlo simulations. Our findings may contribute to the understanding of magnetoresistive effects in domain walls with sizes of only a few atomic layers, as, e.g., in nanocontacts or nanoconstrictions.
|Institution:||The University of York|
|Academic Units:||The University of York > Physics (York)|
|Depositing User:||York RAE Import|
|Date Deposited:||23 Feb 2009 14:54|
|Last Modified:||23 Feb 2009 14:54|
|Publisher:||The American Physical Society.|