High Coercive Field for Nanoparticles of CoFe2O4 in Amorphous Silica Sol-Gel

Advanced Materials

Volumn 15, Issue 19, 2003, Pages 1622-1625

  Hutlova, Alzbeta ^a,b,c   Niznansky, Daniel ^b   Rehspringer, Jean Luc ^a   Estournès, Claude ^a   Kurmoo, Mohamedally ^a  

^a INSTITUT DE PHYSIQUE ET CHIMIE DES MATÉRIAUX DE STRASBOURG   (France)

^b INSTITUTE OF INORGANIC CHEMISTRY   (Czech Republic)

^c CHARLES UNIVERSITY   (Czech Republic)

Author keywords

[No Author keywords available]

Indexed keywords

AMORPHOUS MATERIALS; ANISOTROPY; ANNEALING; COBALT COMPOUNDS; COERCIVE FORCE; MAGNETIZATION; SILICA; SOL-GELS;

COERCIVE FIELD;

NANOSTRUCTURED MATERIALS;

EID: 0242334614     PISSN: 09359648     EISSN: None     Source Type: Journal    
DOI: 10.1002/adma.200305305     Document Type: Article

References (26)

1. J. M. D. Coey, Solid State Commun. 1997, 102, 101.
2. a) G. Bertotti, Hysteresis in Magnetism, Academic Press, London 1998.
3. b) E. Della Torre, Magnetic Hysteresis, John Wiley and Sons, New York 1999.
4. Supermagnets, Hard Magnetic Materials (Eds: G. J. Long, F. Grandjean), Vol. C331, NATO ASI series, Kluwer Academic Press, Dordrecht 1990.
5. a) M. Kurmoo, Chem. Mater. 1999, 11, 3370.
6. b) M. Kurmoo, C. J. Kepert, New J. Chem. 1998, 1525.
7. c) M. Kurmoo, H. Kumagai, M. A. Green, B. W. Lovett, S. J. Blundell, A. Ardavan, J. Singleton, J. Solid State Chem. 2001, 159, 343.
8. M. R. Zachariah, R. D. Shull, B. K. McMillin, P. Biswas, in Nanotechnology: Molecularly Designed Materials (Eds: G. M. Chow, K. E. Gonsalves), ACS Symposium Series, Vol. 622, ACS, Washington 1996, p. 42.
9. L. Schultz, M. Katter, in Supermagnets, Hard Magnetic Materials, vol. C331 (Eds: G. J. Long, F. Grandjean), NATO ASI series, Kluwer Academic Press, Dordrecht 1990, p. 227.
10. a) G. Ennas, A. Musinu, G. Piccaluga, D. Zedda, D. Gatteschi, C. Sangregorio, J. L. Stanger, G. Concas, G. Spano, Chem. Mater. 1998, 10, 495.
11. b) J. Ding, H. Hong, R. Melaka, S. Wang, Y. Shi, Y. J. Chen, N. X. Phuc, J. Magn. Magn. Mater. 2001, 226-230, 1382.
12. a) P. C. Dorsey, P. Lubitz, D. B. Chrisey, J. S. Horwitz, J. Appl. Phys. 1996, 79, 6338.
13. b) F. del Monte, M. P. Morales, D. Levy, A. Fernandez, M. Ocana, A. Roing, E. Molins, K. O'Grady, C. J. Serna, Langmuir 1997, 13, 3627.
14. M. Grigorova, H. J. Blythe, V. Blaskov, V. Rusanov, V. Petkov, V. Masheva, D. Nihtianova, L. M. Martinez, J. S. Munoz, M. Mikhov, J. Magn. Magn. Mater. 1998, 183, 163.
15. a) C. Estournès, C. Pham-Huu, N. Keller, M. J. Ledoux, Mater. Res. Soc. Symp. Proc. 2001, 658, GG6.4.1.
16. b) C. Pham-Huu, N. Keller, C. Estournès, G. Ehret, M. J. Ledoux, Chem. Commun. 2002, 1882.
17. I. S. Jacobs, C. P. Bean, in Magnetism (Eds: G. T. Rado, H. Suhl), Vol. 3, Academic Press, New York 1963, Ch. 6.
18. S. Anmar, A. Helfen, N. Jouini, F. Fiévet, I. Rosenman, F. Villain, P. Molinié, M. Donot, J. Mater. Chem. 2001, 11, 186.
19. D. P. Masse, A. Muan, J. Am. Ceram. Soc. 1965, 48, 468.
20. M. M. Schieber, Experimental Magnetochemistry, Selected Topics in Solid State Physics (series Ed: E. P. Wohlfarth), Vol. VIII, North Holland, Amsterdam 1967, p. 157.
21. R. Valenzuela, Magnetic Ceramics, Cambridge University Press, Cambridge 1994.
22. S. Chikazumi, Physics of Ferromagnetism, 2nd ed., Oxford Science Publications, Clarendon Press, Oxford 1997.
23. Magnetic Properties of Fine Particles (Eds: J. L. Dormann, C. Fiorani), North Holland, Amsterdam 1992.
24. V. Russier, C. Petit, J. Legrand, M. P. Pileni, Appl. Surf. Sci. 2000, 164, 193.
25. E. C. Stoner, E. P. Wohlfarth, Philos. Trans. R. Soc. London, Ser. A 1948, 240, 599.
26. R. Skomski, J. M. D. Coey, Phys. Rev. B. 1993, 48, 15812.