Interaction effects and energy barrier distribution on the magnetic relaxation of nanocrystalline hexagonal ferrites

Physical Review B - Condensed Matter and Materials Physics

Volumn 55, Issue 10, 1997, Pages 6440-6445

  Batlle, X ^a   Garcia del Muro M ^a   Labarta, A ^a  

^a UNIVERSITY OF BARCELONA   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001296779     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.55.6440     Document Type: Article

References (56)

1. R. Street and J. C. Wooley, Proc. Phys. Soc. London A 62, 562 (1949).
2. C. P. Bean and J. D. Livingston, J. Appl. Phys. 30, 120S (1959).
3. E. P. Wohlfarth, J. Phys. F 14, L155 (1984).
4. K. O'Grady, A. Bradbury, J. Popplewell, S. W. Charles and R. W. Chartrell, J. Magn. Magn. Mater. 49, 106 (1985).
5. R. Street, R. K. Day and J. B. Dunlop, J. Magn. Magn. Mater.ibid. 69, 106 (1987).
6. A. M. de Witte, K. O'Grady, G. N. Coverdale and R. W. Chantrell, J. Magn. Magn. Mater.ibid. 88, 183 (1990).
7. for a review see, R. W. Chantrell, J. Magn. Magn. Mater.ibid. 95, 365 (1991).
8. R. Street, P. G. Mc Cormick and L. Folks, J. Magn. Magn. Mater.ibid. 104-107, 368 (1992).
9. R. W. Chantrell, A. Liberatos, M. El-Hilo and K. O'Grady, J. Appl. Phys. 76, 6409 (1994).
10. See, for example, P. J. Flanders and M. P. Sharrock, J. Appl. Phys. 62, 2918 (1987), and references therein.
11. A. Labarta, O. Iglesias, Ll. Balcells and F. Badía, Phys. Rev. B 48, 10 240 (1993). See, for spin glasses, J. J. Préjean and J. Souletie, J. Phys. (France) I 41, 1335 (1980).
12. R. Omari, J.J. Préjean and J. Souletie, J. Phys. (France) Iibid. 45, 1809 (1984).
13. O. Iglesias, F. Badía, A. Labarta and Ll. Balcells, J. Magn. Magn. Mater. 140-144, 399 (1995); Z. Phys. B 100, 173 (1996).
14. R. Ribas and A. Labarta, J. Magn. Magn. Mater. 157-58, 351 (1996).
15. R. Ribas and A. Labarta, J. Appl. Phys. 80, 5192 (1996).
16. M. Uehara and B. Barbara, J. Phys. (France) 47, 235 (1986), E. Chudnovsky and L. Gunter, Phys. Rev. Lett. 60, 661 (1988).
17. X. X. Zhang, Ll. Balcells, J. M. Ruiz, O. Iglesias and J. Tejada, Phys. Lett. A 163, 130 (1992).
18. J. I. Arnaudas, A. Del Moral, C. de la Fuente, and P. A. J. de Groot, Phys. Rev. B 47, 11 924 (1993).
19. M. P. Sharrock and L. Josephson, IEEE Trans. Magn. MAG-22, 723 (1986).
20. T. Fujiwara, IEEE Trans. Magn.ibid. MAG-23, 3125 (1987).
21. M. P. Sharrock, IEEE Trans. Magn.ibid. MAG-25, 4374 (1989).
22. M. H. Kryder, J. Magn. Magn. Mater. 83, 1 (1990).
23. H. Kojima, in Ferromagnetic Materials, edited by E. P. Wohlfarth (North-Holland, Amsterdam, 1982), Vol. 3;
24. J. Smith and H. P. Wijn, in Ferrites (Philips Technical Library, Eindhoven, 1960).
25. E. W. Gorter, Proc. IEEE 104B, 225 (1957).
26. X. Batlle, X. Obradors, J. Rodríguez-Carvajal, M. Pernet, M. V. Caban-baras and M. Vallet, J. Appl. Phys. 70, 1614 (1991), and references therein.
27. X. Batlle, X. Obradors, M. Medarde, J. Rodríguez-Carvajal, M. Pernet and M. Vallet, J. Magn. Magn. Mater. 124, 228 (1993), and references therein.
28. X. Batlle, M. García del Muro, J. Tejada, H. Pfeiffer, P. Görnert and E. Sinn, J. Appl. Phys. 74, 3333 (1993).
29. A. Labarta, X. Batlle, B. Martínez and X. Obradors, Phys. Rev. B 46, 8994 (1992).
30. X. Batlle, A. Labarta, B. Martínez, X. Obradors, M. V. Cabañas and M. Vallet, J. Appl. Phys. 70, 6172 (1991).
31. O. Kubo, T. Ido and H. Yokoyama, IEEE Trans. Magn. MAG-18, 1112 (1982).
32. O. Kubo, T. Ido, H. Yokoyama and Y. Koike, J. Appl. Phys. 57, 4280 (1985).
33. P. Görnert, E. Sinn and M. Rösler, Key Eng. Mater. 58, 129 (1991).
34. P. Görnert, E. Sinn, W. Schüppel, H. Pfeiffer, M. Rösler, Th. Schubert, M. Jurisch and R. Sellger, IEEE Trans. Magn. MAG-26, 12 (1990).
35. M. Rösler, P. Görnert and E. Sinn, Z. Phys. D 19, 279 (1991).
36. B. T. Shirk and W. R. Buessem, J. Am. Ceram. Soc. 53, 192 (1970).
37. P. Görnert, H. Pfeiffer, E. Sinn, R. Müller, W. Shüppel, M. Rösler, X. Batlle, M. García del Muro, J. Tejada and S. Galí, IEEE Trans. Magn. MAG-30, 714 (1994).
38. S. Galí (private communication).
39. T. Ido, O. Kubo and H. Yokoyama, IEEE Trans. Magn. MAG-22, 704 (1986).
40. P. I. Mayo, R. M. Erkkila, A. Bradbury and R. W. Chantrell, IEEE Trans. Magn. MAG-26, 1894 (1990).
41. M. El-Hilo, K. O' Grady and R. W. Chantrell, IEEE Trans. Magn. MAG-27, 4666 (1991).
42. M. El-Hilo, H. Pfeiffer, K. O'Grady, W. Schüppel, E. Sinn, P. Görnert, M. Rösler, D. P. E. Dickson and R. W. Chantrell, J. Magn. Magn. Mater. 129, 339 (1994).
43. C. Djega-Mariadassou, J. L. Dormann, M. Nogues, G. Villers and S. Sayouri, IEEE Trans. Magn. MAG-26, 1819 (1990).
44. J. L. Dormann, M. Nogues and J. Jové, J. Magn. Magn. Mater. 104-107, 1567 (1992).
45. See, for example, Magnetic Properties of Fine Particles, edited by J. L. Dormann and D. Fiorani (North-Holland, Amsterdam, 1992).
46. Science and Technology of Nanostructured Magnetic Materials, edited by G. C. Hadjipanayis and G. A. Prinz (Pleum Press, New York, 1991).
47. X. Batlle, M. García del Muro, A. Labarta and P. Görnert, J. Magn. Magn. Mater. 157-58, 191 (1996); X. Batlle, M. García del Muro, and A. Labarta (unpublished).
48. M. El-Hilo, K. O' Grady and R. W. Chantrell, J. Magn. Magn. Mater. 117, 21 (1992).
49. E. P. Wohlfarth, J. Appl. Phys. 29, 595 (1958).
50. O. Henkel, Phys. Status Solidi 7, 919 (1974).
51. G. W. D. Spratt, P. R. Bissell, R. W. Chantrell and E. P. Wohlfarth, J. Magn. Magn. Mater. 75, 309 (1988).
52. P. E. Kelly, K. O'Grady, P. I. Mayo and R. W. Chantrell, IEEE Trans. Magn. MAG-25, 3881 (1989).
53. H. Pfeiffer, Phys. Status Solidi A 118, 295 (1990).
54. H. Pfeiffer and W. Schüppel, Phys. Status Solidi Aibid. 119, 259 (1990), H. Pfeiffer, ibid. 120, 233 (1990).
55. L. Néel, Ann. Geophys. 5, 99 (1949).
56. T. Jonsson, J. Mattsson, C. Djurberg, F. A. Khan, P. Nordblad and P. Svedlindh, Phys. Rev. Lett. 75, 4138 (1995).