Role of magnetostatic interactions in assemblies of Fe nanoparticles

Journal of Applied Physics

Volumn 89, Issue 11 II, 2001, Pages 7594-7596

  Schulthess, T C ^a   Benakli, M ^b   Visscher, P B ^c   Sorge, K D ^a   Thompson, J R ^a   Modine, F A ^a   Haynes, T E ^a   Boatner, L A ^a   Stocks, G M ^a   Butler, W H ^a  

^a OAK RIDGE NATIONAL LABORATORY   (United States)

^b Quantum Corporation   (United States)

^c UNIVERSITY OF ALABAMA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0035356757     PISSN: 00218979     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.1363608     Document Type: Article

References (11)

1. H. Neal Bertram and Arun K. Bhatia, IEEE Trans. Magn. MAG-9, 127 (1973).
2. R. W. Chantrell and E. P. Wolfarth, J. Magn. Magn. Mater. 40, 1 (1983).
3. C. L. Chien, J. Appl. Phys. 69, 5267 (1991).
4. L. Maya, J. R. Thompson, K. J. Song, and R. J. Warmack, J. Appl. Phys. 83, 905 (1998); C. Chen, O. Kitakami, and Y. Shimada, ibid. 84, 2184 (1998).
5. L. Maya, J. R. Thompson, K. J. Song, and R. J. Warmack, J. Appl. Phys. 83, 905 (1998); C. Chen, O. Kitakami, and Y. Shimada, ibid. 84, 2184 (1998).
6. S. Honda, F. A. Modine, A. Meldrun, J. D. Budai, T. E. Haynes, L. A. Boatner, and L. A. Gea, Mater. Res. Soc. Symp. Proc. 540, 225 (1999).
7. -14.
8. 7 Note that in the present calculations, the damped LL equation is merely used to find the local energy minimum.
9. F. Bodker, S. Morup, and S. Linderoth, Phys. Rev. Lett. 72, 282 (1994).
10. The hysteresis curve for each of the ten samples looks much like the ensemble average, but is somewhat more noisy. The ensemble average is a better approximation to a real nanocomposite with a much larger number of particles. 10 It should be noted that this argument is most valid for short ranged interactions - it is possible that the long range of dipolar interactions may wash out the frustration effect.
11. K. D. Sorge et al. (these proceedings).