Magnetoresistance due to domain walls in micron scale fe wires with stripe domains

IEEE Transactions on Magnetics

Volumn 34, Issue 4 PART 1, 1998, Pages 900-902

  Kent, A D ^c   Ruediger, U ^b,c   Yu, J ^a,c   Zhang, S ^a,c   Levy, P M ^b,c   Zhong, Y ^a,b,c   Parkin, S S P ^b,c  

^a NEW YORK UNIVERSITY   (United States)

^b CITY UNIVERSITY OF NEW YORK   (United States)

^c IBM ALMADEN RESEARCH CENTER   (United States)

Author keywords

Domain walls; Fe; MR

Indexed keywords

IRON; MAGNETIC ANISOTROPY; MAGNETIC DOMAINS; MAGNETORESISTANCE;

CONTROLLED STRIPE DOMAINS;

FERROMAGNETIC MATERIALS;

EID: 0032118380     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/20.706305     Document Type: Article

References (11)

1. J. F. Gregg, et. al. , "Giant magnetoresistance effects in a single element magnetic thin film," Phys. Rev. Lett. , vol. 77, pp. 1580-1583, August 1996.
2. M. Viret, et. al. , "Spin scattering in ferromagnetic thin films,'' Phys. Rev B, vol. 53, pp. 8464-8468, April 1996.
3. P.M. Levy and S. Zhang, "Resistivity due to domain wall scattering," Phys. Rev. Lett. , vol. 79, pp. 5110-5113, Dec. 1997.
4. K. IIong and N. Giordano, "Approach to mesoscopic magnetic measurements," Phys. Rev. B, vol. 51, pp. 9855-9862, April 1995 and K. Hong and N. Giordano, preprint 1997.
5. G. Tatara and H. Fukuyama, "Resistivity due to a domain wall in ferromagnetic metal," Phys. Rev. Lett. , vol. 78, pp. 3773-3776, May 1997.
6. B.M. Clemens, et. al. , "In-situ observation of anisotropic strain relaxation in expitaxial Fe (110) films on Mo (110),'' J. of Mag. and Mag. Mat. , vol. 121, pp. 37-41 January 1993.
7. In the case of a 0. 65 μm wire there were noticable differences in MR after this temperature and field cycling.
8. U. Ruediger, J. Yu, S. Zhang, A. D. Kent, and S. S. P. Parkin, "Negative domain wall contribution to the resistivity of micro-fabricated Fe wires," to be published (1998).
9. see, for example, I. A. Campbell and A. Pert, "Transport Properties of Ferromagnets," in Ferromagnetic Materials vol. 3, E. P. Wohlfarth, Ed. , North-Holland Pub. Co. 1982, pp. 747-806.
10. F.C. Schwerer and J. Silcox, "Electrical resistivity of Nickel at low temperatures," Phys. Rev. Lett. , vol. 20, pp. 101-103, January 1968.
11. Since the current density in each domain is to a good approximation independent of the domain configuration this weighted average is appropriate.