Spin-valves with antiferromagnetic /spl alpha/-Fe/sub 2/O/sub 3/ layers
作者： N. Hasegawa , A. Makino , F. Koike , K. Ikarashi
DOI: 10.1109/20.539097
关键词:
摘要: We report that the spin-valve films using antiferromagnetic /spl alpha/-Fe/sub 2/O/sub 3/ layers show good MR response due to coercivity difference in an as-deposited state and unidirectional biasing field after magnetic annealing. Both high of pinned layer is caused by exchange coupling. The obtained ratio 6.1% higher than those other spin-valves Fe-Mn or Ni-Mn owing resistivity 3/. Further 10% achieved imposing 1 nm-thick Co at Ni-Fe/Cu interfaces. It was found free these smaller Co-Pt/Cu/Ni-Fe sandwiches having similar layer. High thermal stability corrosion resistance were also confirmed spin-valves.
elsevier.com
sci-hub.se 参考文章(8)
William C. Cain, William H. Meiklejohn, Mark H. Kryder, Effects of temperature on exchange coupled alloys of Ni80Fe20‐FeMn, Ni80Fe20‐αFe2O3, and Ni80Fe20‐TbCo Journal of Applied Physics. ,vol. 61, pp. 4170- 4172 ,(1987) , 10.1063/1.338494
S. S. P. Parkin, Origin of enhanced magnetoresistance of magnetic multilayers: Spin-dependent scattering from magnetic interface states. Physical Review Letters. ,vol. 71, pp. 1641- 1644 ,(1993) , 10.1103/PHYSREVLETT.71.1641
B. Dieny, V. S. Speriosu, S. S. P. Parkin, B. A. Gurney, D. R. Wilhoit, D. Mauri, Giant magnetoresistive in soft ferromagnetic multilayers. Physical Review B. ,vol. 43, pp. 1297- 1300 ,(1991) , 10.1103/PHYSREVB.43.1297
Hiroshi Sakakima, Mitsuo Satomi, Spin-valve effect in [{Co-Pt/Cu/Ni-Fe-Co}/Cu] multilayers Japanese Journal of Applied Physics. ,vol. 33, ,(1994) , 10.1143/JJAP.33.L1668
Tsann Lin, Daniele Mauri, Norbert Staud, Cherngye Hwang, J. Kent Howard, Grace L. Gorman, Improved exchange coupling between ferromagnetic Ni‐Fe and antiferromagnetic Ni‐Mn‐based films Applied Physics Letters. ,vol. 65, pp. 1183- 1185 ,(1994) , 10.1063/1.112140
R. Hempstead, S. Krongelb, D. Thompson, Unidirectional anisotropy in nickel-iron films by exchange coupling with antiferromagnetic films IEEE Transactions on Magnetics. ,vol. 14, pp. 521- 523 ,(1978) , 10.1109/TMAG.1978.1059838
C. Bajorek, D. Thompson, Permanent magnet films for biasing of magnetoresistive transducers IEEE Transactions on Magnetics. ,vol. 11, pp. 1209- 1211 ,(1975) , 10.1109/TMAG.1975.1058908
H. Hoshiya, M. Komuro, K. Mitsuoka, Y. Sugita, Giant Magnetoresistance of Spin Valve Films with NiO Antiferromagnetic Films. Journal of The Magnetics Society of Japan. ,vol. 18, pp. 355- 359 ,(1994) , 10.3379/JMSJMAG.18.355