Weak ferromagnetism and exchange biasing in cobalt oxide nanoparticle systems

Journal of Applied Physics

Volumn 99, Issue 12, 2006, Pages

  Tomou, A ^a   Gournis, D ^a   Panagiotopoulos, I ^a   Huang, Y ^b   Hadjipanayis, G C ^b   Kooi, B J ^c  

^a UNIVERSITY OF IOANNINA   (Greece)

^b UNIVERSITY OF DELAWARE   (United States)

^c UNIVERSITY OF GRONINGEN   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

ANTIFERROMAGNETIC CORE; EXCHANGE BIASING; EXCHANGE COUPLING; NANOPARTICLE SYSTEMS;

COBALT COMPOUNDS; COERCIVE FORCE; FERROMAGNETISM; MAGNETIC ANISOTROPY; MAGNETIC MOMENTS; OXIDES; REDUCTION; SYNTHESIS (CHEMICAL);

NANOSTRUCTURED MATERIALS;

EID: 33745711565     PISSN: 00218979     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.2207809     Document Type: Article

References (14)

1. See, for instance, A. H. Morrish, The Physical Principles of Magnetism (Wiley, New York, 1965).
2. H. Ohldag, A. Scholl, F. Nolting, E. Arenholz, S. Maat, A. T. Young, M. Carey, and J. Stohr, Phys. Rev. Lett. 91, 017203 (2003).
3. T. Ambrose and C. L. Chien, Phys. Rev. Lett. 76, 1743 (1996).
4. Y. J. Tang, D. J. Smith, B. L. Zink, F. Hellman, and A. E. Berkowitz, Phys. Rev. B 67, 054408 (2003).
5. B. Dieny, V. S. Speriosu, S. Metin, S. S. P. Parkin, B. A. Gurney, and P. Baumgart, J. Appl. Phys. 69, 4774 (1991).
6. V. Skumryev, S. Stoyanov, Y. Zhang, G. Hadjipanayis, D. Givord, and J. Nogues, Nature (London) 423, 850 (2003).
7. K. Takano, R. H. Kodama, A. E. Berkowitz, W. Cao, and G. Thomas, Phys. Rev. Lett. 79, 1130 (1997).
8. R. H. Kodama, S. A. Makhlouf, A. E. Berkowitz, Phys. Rev. Lett. 79, 1393 (1997).
9. W. H. Meiklejohn and C. P. Bean, Phys. Rev. 102, 1413 (1956).
10. S. Sun, C. B. Murray, D. Weller, L. Folks, and A. Moser, Science 287, 1989 (2000).
11. G. K. Williamson and W. H. Hall, Acta Metall, 1, 22 (1953).
12. R. A. McCurrie and P. Gaunt, Philos. Mag. 13, 567 (1966).
13. J. Nogues and I. K. Shuller, J. Magn. Magn. Mater. 192, 203 (1999).
14. U. Wiedwald, J. Lindner, M. Spasova, Z. Frait, and M. Farle, Phase Transitions 78, 85 (2005).