Systematic study for magnetization dependence of exchange anisotropy strength in Mn-Ir/FM (FM=Ni-Co, Co-Fe, Fe-Ni) bilayer system

IEEE Transactions on Magnetics

Volumn 45, Issue 10, 2009, Pages 3877-3880

  Tsunoda, Masakiyo ^a   Takahashi, Hirokazu ^a   Takahashi, Migaku ^a  

^a TOHOKU UNIVERSITY   (Japan)

Author keywords

Body centered cubic structure; Compositional dependence; Exchange bias; Mn Ir; Saturation magnetization; Unidirectional anisotropy constant

Indexed keywords

ANISOTROPY; BINARY ALLOYS; COBALT ALLOYS; CRYSTAL STRUCTURE; FREQUENCY MODULATION; IRIDIUM ALLOYS; MANGANESE ALLOYS; SATURATION MAGNETIZATION;

BODY-CENTERED CUBIC; BODY-CENTERED CUBIC (BCC) STRUCTURE; COMPOSITIONAL DEPENDENCE; EXCHANGE ANISOTROPY; EXCHANGE BIAS; FACE-CENTERED CUBIC; MAGNETIZATION DEPENDENCE; UNIDIRECTIONAL ANISOTROPY;

IRON ALLOYS;

EID: 70350599657     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2009.2024323     Document Type: Article

References (8)

1. F. T. Parker, K. Takano, and A. E. Berkowitz, "Exchange coupling mechanism at ferromagnetic/CoO interface," Phys. Rev. B, vol.61, p. R866, 2000.
2. S. M. Zhou and C. L. Chien, "Dependence of exchange coupling on magnetization in Co-Ni/FeMn bilayers," Phys. Rev. B, vol.63, p. 104406, 2001.
3. S. J. Yuan, L. Wang, S. M. Zhou, M. Lu, J. Du, and A. Hu, "Magnetization dependence of training effect of exchange coupling in ferromagnet/FeMn bilayers," Appl. Phys. Lett., vol.81, p. 3428, 2002.
4. H. S. Jung, O. Traistaru, and H. Fujiwara, "Effect of the kinds of ferromagnetic layers on exchange coupling strength in IrMn/FM films," J. Appl. Phys., vol.95, p. 6849, 2004.
5. M. Tsunoda, K. Nishikawa, T. Damm, T. Hashimoto, and M. Taka- hashi, "Extra large unidirectional anisotropy constant of Co-Fe/Mn-Ir bilayers with ultra-thin antiferromagnetic layer," J. Magn. Magn. Mater., vol.239, p. 182, 2002.
6. K. Komagaki, M. Tsunoda, H. Takahashi, K. Noma, H. Kanai, K. Kobayashi, Y. Uehara, and M. Takahashi, "Enhanced exchange anisotropy by ultra-thin CoxFe100-x(x->80) layer insertion at the interface of Ll2-ordered Mn3lr/Co65Fe35, bilayers," IEEE Trans. Magn., vol.44, no.11, p. 2832, Nov. 2008.
7. D. Mauri, H. C. Siegmann, P. S. Bagus, and E. Kay, "Simple model for thin ferromagnetic films exchange coupled to an antiferromagnetic substrate," J. Appl. Phys., vol.62, p. 3047, 1987.
8. A. P. Malozemoff, "Random-field model of exchange anisotropy at rough ferromagnetic-antiferromagnetic interfaces," Phys. Rev. B, vol.35, p. 3679, 1987.