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    Asymmetric domain nucleation and unusual magnetization reversal in ultrathin Co films with perpendicular anisotropy 

    Iunin, Y. L.; Kabanov, Y. P.; Nikitenko, V.I.; Cheng, X.M.; Clarke, D.; Tretiakov, O. A.; Tchernyshyov, O.; Shapiro, A. J.; Shull, R. D.; Chien, C.L. (American Physical Society, 2007-03-16)
    We report unexpected phenomena during magnetization reversal in ultrathin Co films and Co/Pt multilayers with perpendicular anisotropy. Using magneto-optical Kerr microscopy and magnetic force microscopy we have observed ...
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    Comparison of surface spin wave modes at Fe/MnF2 and Fe/Mn interfaces 

    Siu, I. L.; Islam, M. N.; Walker, J. C. (American Institute of Physics, 2000-11-01)
    We have studied the thermal demagnetization in semi-infinite ferromagnets in Fe/MnF2 and Fe/Mn bilayers using Mössbauer spectroscopy. We find that the hyperfine field at the Fe/MnF2 interface follows a quasilinear temperature ...
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    Memory effects of exchange coupling in CoO/Ni81Fe19 bilayers 

    Gokemeijer, N.J.; Chien, C.-L. (American Institute of Physics, 1999-04-15)
    By changing the field-cooling procedure, the value and even the sign of the exchange field HE in CoO/Ni81Fe19 bilayers can be greatly altered. The value of HE can be made to vanish at any temperature below TN. We also show ...
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    Doubly exchange-biased NiCoO/NiFe/Cu/NiFe/NiCoO spin valves 

    Ambrose, T.; Liu, K.; Chien, C.-L. (American Institute of Physics, 1999-04-15)
    A new type of doubly exchange-biased Ni50Co50O/NiFe/Cu/NiFe/Ni30Co70O spin-valve structure, with two ferromagnetic layers exchange biased in opposite directions by two different antiferromagnetic layers is demonstrated. ...
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    Comparison of the electron-spin-resonance linewidth in multilayered CuMn spin glasses with insulating versus conducting interlayers 

    Leslie-Pelecky, D. L.; VanWijland, F.; Hoff, C. N.; Cowen, J.A.; Gavrina, A.; Chien, C.-L. (American Institute of Physics, 1994-05-15)
    The temperature-dependent electron-spin-resonance linewidth ΔH(T) may be used to investigate the effect of the geometry and interlayer material on the magnetic properties of multilayered systems. We compare ΔH(T) in ...
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    Longitudinal and perpendicular exchange bias in FeMn/(FeNi/FeMn)n multilayers 

    Sun, L.; Zhou, S.M.; Searson, P.C.; Chien, C.-L. (American Institute of Physics, 2003-05-15)
    Exchange bias in ferromagnetic (FM)/antiferromagnetic (AF) bilayers is usually investigated in the longitudinal configuration with the exchange coupling established in the film plane. In this work, we report on the ...
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    Stripes in thin ferromagnetic films with out-of-plane anisotropy 

    Clarke, David; Tretiakov, O. A.; Tchernyshyov, O. (American Physical Society, 2007-05-01)
    We examine the T=0 phase diagram of a thin ferromagnetic film with a strong out-of-plane anisotropy (e.g., Co/Pt multilayers) in the vicinity of the reorientation phase transition. The phase diagram in the anisotropy-applied-field ...

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    AuthorChien, C.-L. (4)Tchernyshyov, O. (2)Tretiakov, O. A. (2)Ambrose, T. (1)Cheng, X.M. (1)Chien, C.L. (1)Clarke, D. (1)Clarke, David (1)Cowen, J.A. (1)Gavrina, A. (1)... View MoreSubject
    magnetic multilayers (7)
    ferromagnetic materials (4)exchange interactions (electron) (3)iron alloys (3)nickel alloys (3)antiferromagnetic materials (2)Co-Pt (2)cobalt (2)coercivity (2)copper (2)... View MoreDate Issued2000 - 2007 (4)1994 - 1999 (3)Has File(s)Yes (7)

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