Brillouin light scattering observation of the transition from the superparamagnetic to the superferromagnetic state in nanogranular (SiO2) Co films

Journal of Applied Physics

Volumn 104, Issue 9, 2008, Pages

  Stashkevich, A A ^a   Roussign Y ^a   Djemia, P ^a   Billet, D ^a   Stognij, A I ^b   Novitskii, N N ^b   Wurtz, G A ^c   Zayats, A V ^c   Viau, G ^d   Chaboussant, G ^e   Ott, F ^e   Gautrot, S ^e   Kostylev, M P ^f   Lutsev, L V ^g   Belotelov, V ^h  

^a UNIVERSITÉ PARIS 13   (France)

^b INSTITUTE OF SOLID STATE AND SEMICONDUCTOR PHYSICS   (Belarus)

^c QUEEN'S UNIVERSITY BELFAST   (United Kingdom)

^d UNIVERSITÉ DE TOULOUSE   (France)

^e LABORATOIRE LÉON BRILLOUIN   (France)

^f UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

^g Research Institute Ferrite Domen   (Russian Federation)

^h MOSCOW STATE UNIVERSITY   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

BRILLOUIN SCATTERING; COBALT; LIGHT SCATTERING; MAGNETIC DOMAINS; MAGNETIC FORCE MICROSCOPY; MICROSCOPIC EXAMINATION; NEUTRON SCATTERING; REFRACTION; SCATTERING; SPIN WAVES; SUPERPARAMAGNETISM;

BRILLOUIN LIGHT SCATTERINGS; CO FILMS; EXCHANGE CONSTANTS; EXCHANGE SPIN WAVES; GRAZING INCIDENCE SMALL ANGLE NEUTRON SCATTERINGS; MAGNETIC EXCITATIONS; MAGNETIC FORCE MICROSCOPY IMAGING; MAGNETOSTATIC MODES; MAGNETOSTATIC WAVES; NANOGRANULAR; STATIC CHARACTERIZATIONS; STRIPE DOMAINS; SUPERPARAMAGNETIC;

MAGNETOSTATICS;

EID: 56349146547     PISSN: 00218979     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.3009339     Document Type: Article

References (53)

1. J. Inoue and S. Maekawa, Phys. Rev. B 0163-1829 10.1103/PhysRevB.53. R11927 53, R11927 (1996).
2. K. Yakushiji, S. Mitani, K. Takanashi, J. -G. Ha, and H. Fujimori, J. Magn. Magn. Mater. 0304-8853 10.1016/S0304-8853(99)00813-6 212, 75 (2000).
3. J. S. Micha, B. Dieny, J. R. Ŕgnard, J. F. Jacquot, and J. Sort, J. Magn. Magn. Mater. 272-276, E967 (2004).
4. S. Sankar, D. Dender, J. A. Borchers, D. J. Smith, R. W. Erwin, S. R. Kline, and A. E. Berkowits, J. Magn. Magn. Mater. 0304-8853 10.1016/S0304- 8853(00)00391-7 221, 1 (2000).
5. L. Ńel, Ann. Geophys. (C.N.R.S.) 5, 99 (1949). 0003-4029
6. W. F. Brown, Jr., Phys. Rev. 130, 1677 (1963).
7. J. Hesse, H. Bremers, O. Hupe, M. Veith, E. W. Fritscher, and K. Valtchev, J. Magn. Magn. Mater. 0304-8853 10.1016/S0304-8853(99)00599-5 212, 153 (2000).
8. M. Azeggagh and H. Kachkachi, Phys. Rev. B 75, 174410 (2007).
9. C. Djurberg, P. Svedlindh, P. Nordblad, M. F. Hansen, F. Bødker, and S. Mørup, Phys. Rev. Lett. 0031-9007 10.1103/PhysRevLett.79.5154 79, 5154 (1997).
10. T. Jonsson, P. Nordblad, and P. Svedlindh, Phys. Rev. B 0163-1829 10.1103/PhysRevB.57.497 57, 497 (1998).
11. P. E. Jönsson, S. Felton, P. Svedlindh, P. Nordblad, and M. F. Hansen, Phys. Rev. B 0163-1829 10.1103/PhysRevB.64.212402 64, 212402 (2001).
12. F. Luis, F. Petroff, J. M. Torres, L. M. García, J. Bartoloḿ, J. Carrey, and A. Vaur̀s, Phys. Rev. Lett. 0031-9007 10.1103/PhysRevLett.88.217205 88, 217205 (2002).
13. J. Nogús, V. Skumryev, J. Sort, S. Stoyanov, and D. Givord, Phys. Rev. Lett. 0031-9007 10.1103/PhysRevLett.97.157203 97, 157203 (2006).
14. L. F. Schelp, A. Fert, F. Fettar, P. Holody, S. F. Lee, J. L. Maurice, F. Petroff, and A. Vaur̀s, Phys. Rev. B 0163-1829 10.1103/PhysRevB.56.R5747 56, R5747 (1997).
15. W. Kleemann, O. Petracic, Ch. Binek, G. N. Kakazei, Yu. G. Pogorelov, J. B. Sousa, S. Cardoso, and P. P. Freitas, Phys. Rev. B 0163-1829 10.1103/PhysRevB.63.134423 63, 134423 (2001).
16. X. Chen, S. Bedanta, O. Petracic, W. Kleemann, S. Sahoo, S. Cardoso, and P. P. Freitas, Phys. Rev. B 0163-1829 10.1103/PhysRevB.72.214436 72, 214436 (2005).
17. S. Bedanta, T. Eimüller, W. Kleemann, J. Rhensius, F. Stromberg, E. Amaladass, S. Cardoso, and P. P. Freitas, Phys. Rev. Lett. 0031-9007 10.1103/PhysRevLett.98.176601 98, 176601 (2007).
18. A. Butera, J. N. Zhou, and J. A. Barnard, Phys. Rev. B 0163-1829 10.1103/PhysRevB.60.12270 60, 12270 (1999).
19. F. Yildiz, S. Kazan, B. Aktas, S. I. Tarapov, and B. Granovsky, J. Magn. Magn. Mater. 0304-8853 10.1016/j.jmmm.2005.11.023 305, 24 (2006).
20. J. Gómez, A. Butera, and J. A. Barnard, Phys. Rev. B 70, 054428 (2004).
21. Y. Roussigń, S. M. Ch́rif, C. Dugautier, and P. Moch, Phys. Rev. B 0163-1829 10.1103/PhysRevB.63.134429 63, 134429 (2001).
22. S. O. Demokritov, B. Hillebrands, and A. N. Slavin, Phys. Rep. 0370-1573 10.1016/S0370-1573(00)00116-2 348, 441 (2001).
23. G. Gubbiotti, P. Candeloro, L. Businaro, E. Di Fabrizio, A. Gerardino, R. Ziveri, M. Conti, and G. Carlotti, J. Appl. Phys. 0021-8979 10.1063/1.1544478 93, 7595 (2003).
24. S. L. Vysotskii, S. A. Nikitov, and Yu. A. Filimonov, JETP 1063-7761 10.1134/1.2103224 101, 547 (2005).
25. M. P. Kostylev, A. A. Stashkevich, and N. A. Sergeeva, Phys. Rev. B 69, 064408 (2004).
26. G. Gubbiotti, S. Tacchi, G. Carlotti, P. Vavassori, N. Singh, S. Goolaup, A. O. Adeyeye, A. Stashkevich, and M. Kostylev, Phys. Rev. B 0163-1829 10.1103/PhysRevB.72.224413 72, 224413 (2005).
27. A. I. Stognij, N. N. Novitskii, and O. M. Stukalov, Tech. Phys. Lett. 1063-7850 10.1134/1.1448630 28, 17 (2002).
28. A. I. Stognij, N. N. Novitskii, and O. M. Stukalov, Tech. Phys. Lett. 1063-7850 10.1134/1.1558752 29, 147 (2003).
29. SIMULREFLEC, package available at http://www-llb.cea.fr/prism/programs/ programs.html.
30. R. W. Damon and J. R. Eshbach, J. Phys. Chem. Solids 0022-3697 10.1016/0022-3697(61)90041-5 19, 308 (1961).
31. B. A. Kalinikos, N. V. Kozhus, M. P. Kostylev, and A. N. Slavin, J. Phys.: Condens. Matter 0953-8984 10.1088/0953-8984/2/49/012 2, 9861 (1990).
32. J. L. Menendez, B. Bescos, G. Armelles, R. Serna, J. Gonzalo, R. Doole, A. K. Petford-Long, and M. I. Alonso, Phys. Rev. B 0163-1829 10.1103/PhysRevB.65.205413 65, 205413 (2002).
33. D. A. G. Bruggeman, Ann. Phys. 24, 636 (1935).
34. Handbook of Optical Constants of Solids, edited by, E. D. Palik, (Academic, New York, 1985).
35. B. A. Kalinikos, in Linear and Nonlinear Spin Waves in Magnetic Films and Superlattices, edited by, M. G. Cottam, (World Scientific, Singapore, 1994), pp. 90-156.
36. M. Buchmeier, H. Dassow, D. E. Bürgler, and C. M. Schneider, Phys. Rev. B 0163-1829 10.1103/PhysRevB.75.184436 75, 184436 (2007).
37. C. Cohen-Tannoudji, Lectures on Theoretical Physics (College de France, Paris, 1964).
38. Y. Roussigń, F. Ganot, C. Dugautier, P. Moch, and D. Renard, Phys. Rev. B 0163-1829 10.1103/PhysRevB.52.350 52, 350 (1995).
39. R. E. Camley and D. L. Mills, Phys. Rev. B 18, 4821 (1978).
40. M. G. Cottam, J. Phys. C 0022-3719 10.1088/0022-3719/12/9/014 12, 1709 (1979).
41. R. E. Camley, T. S. Rahman, and D. L. Mills, Phys. Rev. B 0163-1829 10.1103/PhysRevB.23.1226 23, 1226 (1981).
42. P. Grünberg, in Light Scattering from Spin-Waves in Thin Films and Layered Magnetic Structures, Light Scattering in Solids Vol. 5, edited by, M. Cordona, and, G. Güntherrodt, (Springer-Verlag, Berlin, 1989), p. 303.
43. J. C. Slonczewski, Phys. Rev. B 0163-1829 10.1103/PhysRevB.39.6995 39, 6995 (1989).
44. P. Bruno, Phys. Rev. B 0163-1829 10.1103/PhysRevB.49.13231 49, 13231 (1994).
45. J. Faure-Vincent, C. Tuisan, C. Bellouard, E. Popova, M. Hehn, F. Montagne, and A. Schuhl, Phys. Rev. Lett. 0031-9007 10.1103/PhysRevLett.89. 107206 89, 107206 (2002).
46. J. F. Hu, V. Ng, J. P. Wang, and T. C. Chong, J. Magn. Magn. Mater. 268, 114 (2004).
47. A. Butera, J. N. Zhou, and J. A. Barnard, J. Appl. Phys. 87, 5627 (2000).
48. M. Vohl, J. Barnas, and P. Grünberg, Phys. Rev. B 0163-1829 10.1103/PhysRevB.39.12003 39, 12003 (1989).
49. S. Rohart, V. Repain, A. Thiaville, and S. Rousset, Phys. Rev. B 0163-1829 10.1103/PhysRevB.76.104401 76, 104401 (2007).
50. F. Wegelin, D. Valdaitsev, A. Krasiuk, S. A. Nepijko, G. Schönhense, H. J. Elmers, I. Krug, and C. M. Schnieder, Phys. Rev. B 0163-1829 10.1103/PhysRevB.76.134410 76, 134410 (2007).
51. A. A. Timopheev and S. M. Ryabchenko, Ukr. J. Phys. 53, 261 (2008).
52. M. W. Müller, Phys. Rev. 122, 1485 (1961).
53. F. Dumas-Bouchiat, H. S. Nagaraja, F. Rossignol, C. Champeaux, G. Trolliard, A. Catherinot, and D. Givord, J. Appl. Phys. 0021-8979 10.1063/1.2335670 100, 064304 (2006).