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Modeling the effect of interactions in granular magnetic films.
- Source :
-
Journal of Applied Physics . 3/1/2001, Vol. 89 Issue 5, p2861. 7p. 2 Diagrams, 7 Graphs. - Publication Year :
- 2001
-
Abstract
- The effect of interactions on the blocking temperature of granular magnetic films is modeled using a variable time step Monte Carlo method. Both magnetostatic and exchange interactions are considered in the calculation of field cooled magnetization curves. Cubic grains with 28 Å side lengths are randomly packed within a larger cubic volume. Each grain has a random crystalline easy axis. For the parameters simulated, magnetostatic interactions do not have an effect on the blocking temperature, and exchange interactions cause average blocking temperatures to increase. © 2001 American Institute of Physics. [ABSTRACT FROM AUTHOR]
- Subjects :
- *MAGNETIC films
*MAGNETOSTATICS
*EXCHANGE reactions
Subjects
Details
- Language :
- English
- ISSN :
- 00218979
- Volume :
- 89
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- Journal of Applied Physics
- Publication Type :
- Academic Journal
- Accession number :
- 4712562
- Full Text :
- https://doi.org/10.1063/1.1340601