Energy minimization and ac demagnetization in a nanomagnet array

Physical Review Letters

Volumn 101, Issue 3, 2008, Pages

  Ke, X ^a   Li, J ^a   Nisoli, C ^a   Lammert, Paul E ^a   McConville, W ^a   Wang, R F ^a   Crespi, V H ^a   Schiffer, P ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DEMAGNETIZATION; MAGNETIC DOMAINS; MAGNETISM; NANOSTRUCTURED MATERIALS;

AMERICAN PHYSICAL SOCIETY (APS); ENERGY MINIMIZATIONS; FERROMAGNETIC ISLANDS; GROUND-STATE ENERGIES; MAGNETIC DEGREE OF FREEDOM; MAGNETIC STATES; MAGNETOSTATIC ENERGY; NANO MAGNETS; NEAREST NEIGHBOR (NN); SINGLE DOMAINS; STEP SIZE;

MAGNETIC MATERIALS;

EID: 47949096138     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.101.037205     Document Type: Article

References (27)

1. T. Aign, Phys. Rev. Lett. 81, 5656 (1998). PRLTAO 0031-9007 10.1103/PhysRevLett.81.5656
2. R.P. Cowburn, Phys. Rev. B PRBMDO 0163-1829 65, 092409 (2002). 10.1103/PhysRevB.65.092409
3. M. Hwang, J. Appl. Phys. 87, 5108 (2000). JAPIAU 0021-8979 10.1063/1.373264
4. R.F. Wang, J. Appl. Phys. 101, 09J104 (2007). JAPIAU 0021-8979 10.1063/1.2712528
5. R.F. Wang, Nature (London) NATUAS 0028-0836 439, 303 (2006); 10.1038/nature04447
6. R.F. Wang Nature (London) NATUAS 0028-0836 446, 102 (2007). 10.1038/nature05607
7. M. El-Hilo, IEEE Trans. Magn. 28, 3282 (1992); IEMGAQ 0018-9464 10.1109/20.179784
8. M. El-Hilo, K. O'Grady, and R.W. Chantrell, J. Magn. Magn. Mater. 120, 244 (1993); JMMMDC 0304-8853 10.1016/0304-8853(93)91333-3
9. P.R. Bissell, M. Cerchez, and A. Stancu, J. Appl. Phys. 87, 5660 (2000). JAPIAU 0021-8979 10.1063/1.372481
10. F. Preisach, Z. Phys. 94, 277 (1935); ZEPYAA 0044-3328 10.1007/BF01349418
11. E. Della Torre, Magnetic Hysteresis (IEEE, Piscataway, NJ 1999).
12. G. Zaránd, Phys. Rev. Lett. 89, 150201 (2002). PRLTAO 0031-9007 10.1103/PhysRevLett.89.150201
13. M.J. Alava, Phys. Rev. B PRBMDO 0163-1829 71, 064423 (2005). 10.1103/PhysRevB.71.064423
14. K.F. Pal, Physica (Amsterdam) 360A, 525 (2006). PHYADX 0378-4371 10.1016/j.physa.2005.05.040
15. E.Y. Tsymbal, Appl. Phys. Lett. 77, 2740 (2000). APPLAB 0003-6951 10.1063/1.1320016
16. R. Alvarez-Sanchez, J.L. Costa-Kramer, and F. Briones, J. Magn. Magn. Mater. 307, 171 (2006). JMMMDC 0304-8853 10.1016/j.jmmm.2006.03.065
17. R.P. Cowburn and M.E. Welland, Science 287, 1466 (2000). SCIEAS 0036-8075 10.1126/science.287.5457.1466
18. A. Imre, Science 311, 205 (2006). SCIEAS 0036-8075 10.1126/science. 1120506
19. See EPAPS Document No. E-PRLTAO-101-078828 for computational details. For more information on EPAPS, see http://www.aip.org/pubservs/epaps.html.
20. E.T. Jaynes, Phys. Rev. 106, 620 (1957); PHRVAO 0031-899X 10.1103/PhysRev.106.620
21. Robert Ash, Information Theory (Dover, Mineola NY, 1990).
22. OOMMF NIST code. http://math.nist.gov/oommf/ (2005).
23. H.T. Diep, Frustrated Spin Systems (World Scientific, Singapore, 2004).
24. C.S. O'Hern, Phys. Rev. E 68, 011306 (2003); PLEEE8 1063-651X 10.1103/PhysRevE.68.011306
25. E.I. Corwin, H.M. Jaeger, and S.R. Nagel, Nature (London) NATUAS 0028-0836 435, 1075 (2005); 10.1038/nature03698
26. T.S. Majmudar, Phys. Rev. Lett. 98, 058001 (2007). PRLTAO 0031-9007 10.1103/PhysRevLett.98.058001
27. E.R. Nowak, Phys. Rev. E 57, 1971 (1998). PLEEE8 1063-651X 10.1103/PhysRevE.57.1971