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    Publications

    good day for the UHV sputtering chamber (see base pressure)

    Book Chapter (in press)

    2014

    Basics of magnetization dynamics

    W.E. Bailey

    Introduction to Magnetic Random Access Memories, to be published by IEEE Press, edited by R.B. Goldfarb and B. Dieny (pdf)


    Refereed Journal Articles


    Submitted, 2014


    Phase-resolved imaging of spin-wave eigenmodes in nanoscale ellipses

    Cheng Cheng, W.E. Bailey
    submitted Apr 2014 (cond-mat)


    Submitted, 2013


    Wavenumber-dependent Gilbert damping in metallic ferromagnets

    Yi Li, W.E. Bailey
    submitted 31 Oct 13 (cond-mat)


    Effect of direct exchange on spin current scattering in Pd and Pt
    A. Ghosh, S. Auffret, U. Ebels, F. Wilhelm, A. Rogalev, W.E. Bailey
    cond-mat (pdf) (cond-mat)

    Direct observation of symmetry-specific precession in a ferrimagnet

    P. Warnicke, E. Stavitski,
    J-.S. Lee, A. Yang, Z. Chen, S. Zohar, W.E. Bailey, V.G. Harris, D.A. Arena
    submitted
    (pdf)


    Published

    2014


    Penetration depth and absorption mechanisms of spin currents in Ir20Mn80 and Fe50Mn50 polycrystalline films by ferromagnetic resonance and spin pumping

    P. Merodio, A. Ghosh, C. Lemonias, E. Gautier, U. Ebels, M. Chshiev, H. Béa, V. Baltz, W.E. Bailey
    Applied Physics Letters 104 032406 (2014) (pdf) (journal)


    2013


    High-efficiency GHz frequency doubling without power threshold in thin-film Ni81Fe19

    C. Cheng, W.E. Bailey
    Applied Physics Letters, 103 (25) 242402 (2013)(pdf) (cond-mat) (journal)


    Detection of microwave phase variation in nanometer-scale magnetic heterostructures

    W.E. Bailey, C. Cheng, R. Knut, O. Karis, S. Auffret, S. Zohar, D. Keavney, P. Warnicke, J-.S. Lee, D.A. Arena
    Nature Communications, 4 2025 (2013) (pdf) (journal)


    Measurement of transport spin polarization in FeV using point-contact Andreev reflection
    M. Osofsky, L. Cheng, W.E. Bailey, K. Bussmann, D. Parker

    Applied Physics Letters
    , 102 212412 (2013)
    (pdf) (journal)


    Single-domain shape anisotropy in near-macroscopic Ni80Fe20 thin-film rectangles

    Y. Li, Y. Lu, W.E. Bailey
    Journal of Applied Physics, 113 17B506 (2013) (pdf) (journal) (cond-mat)


    Exploring the accessible frequency range of phase-resolved ferromagnetic resonance detected with x-rays

    P. Warnicke, R. Knut, E. Wahlstrom, O. Karis, W.E. Bailey, D.A. Arena
    Journal of Applied Physics, 113 033904 (2013) (pdf) (journal)


    Optimization of ultrasoft CoZrTa/SiO2/CoZrTa trilayer elements for integrated inductor structures

    C. Cheng, R. Davies, N. Sturcken, K. Shepard, W.E. Bailey
    Journal of Applied Physics, 113 17A343 (2013) (pdf)(journal)


    Coupled inductors with crossed-anisotropy CoZrTa/SiO2 multilayer cores

    R. Davies, N. Sturcken, C. Cheng, W.E. Bailey, K. Shepard
    IEEE Transactions on Magnetics, 49 7 4009 (2013) (pdf) (journal)



    2012

    Penetration depth of transverse spin current in ultrathin ferromagnets

    A. Ghosh, S. Auffret, U. Ebels, W.E. Bailey

    Physical Review Letters, 109 127202 (2012)  (pdf)  (journal)


    Pd magnetism induced by indirect interlayer exchange coupling

    W.E. BaileyA. Ghosh, S. Auffret, E. Gautier, U. Ebels, F. Wilhelm, A. Rogalev
    Physical Review B (Condensed Matter), 86 144403 (2012) (pdf) (journal) (cond-mat)


    Sub-micron mapping of Ghz magnetic susceptibility using scanning transmission x-ray microscopy

    C. Cheng and W.E. Bailey
    Applied Physics Letters101 182407 (2012) (500 Mhz AVI) (2 Ghz AVI) (pdf)  (journal)



    Vector control of induced magnetic anisotropy using an in-situ quadrupole electromagnet in ultra-high vacuum sputtering

    C. Cheng, N. Sturcken, K. Shepard, W.E. Bailey

    Review of Scientific Instruments, 83 063903 (2012) (pdf)  (journal)


    Stochastic limits in synchronous imaging of submicron magnetization dynamics using scanning transmission x-ray microscopy

    C. Cheng, K. Kaznatcheev, W.E. Bailey
    Journal of Applied Physics
    111 07E321 (2012) (pdf) (journal)


    2011

    Dependence of Gilbert damping on the ferromagnetic layer type in ferromagnet/Cu/Pt heterostructures
    A. Ghosh, J.F. Sierra, S. Auffret, U. Ebels, W.E. Bailey
    Applied Physics Letters 98 052508 (2011)
    (pdf) (journal)
     


    2009

    A compact apparatus for studies of element- and phase-resolved ferromagnetic resonance
    D. Arena, Y. Ding, E. Vescovo, S. Zohar, Y. Guan, W.E. Bailey
    Review of Scientific Instruments 80 083903 (2009)
    (pdf) (journal)
     

    Interface-related damping in polycrystalline Ni81Fe19/Cu/Co93Zr7
    S. Zohar and W.E. Bailey
    Journal of Applied Physics 105 07D309 (2009)
    (pdf) (journal)
     

    Element-specific spin and orbital moments in Fe1-xVx thin films
    Y. Guan, C. Scheck, and W.E. Bailey
    Journal of Magnetism and Magnetic Materials 321 1039 (2009)
    (pdf) (journal)

     
    2008

    Thin-film superparamagnetic resonance in a self-assembled g-Fe203 nanocrystal array
    S. Zohar, K. Hultman, S. O'Brien, W.E. Bailey
    Journal of Applied Physics 103 07D510 (2008)
    (pdf) (journal)
     


    2007

    Combined time-resolved XMCD and ferromagnetic resonance studies of magnetic alloys and multilayers
    D.A. Arena, E. Vescovo, C.-C. Kao, Y. Guan and W.E. Bailey
    Journal of Applied Physics 101 09C109 
    (2007) (pdf) (journal) 

     

    Ferromagnetic relaxation in (Ni81Fe19)1-xCux thin films: band filling at high Z
    Y. Guan and W.E. Bailey
    Journal of Applied Physics 101 101D94 
    (2007) (pdf) (journal)  

     

    Low relaxation rate in epitaxial vanadium-doped ultrathin iron films
    Editors' Suggestion
    C. Scheck, L. Cheng, I. Barsukov, Z. Frait, and W.E. Bailey
    Physical Review Letters 98(11) 117601 (2007) (pdf) (journal) 
    (cond-mat) 
     


    2006

    Phase and amplitude of element-specific moment precession in Ni81Fe19
    Y. Guan, W.E. Bailey, E. Vescovo, C.-C. Kao, and D.A. Arena
    Journal of Magnetism and Magnetic Materials 312(2) 374 (2006) (pdf) (journal) 
    (cond-mat)
     

    Weakly coupled motion of individual layers in ferromagnetic resonance
    D.A. Arena, E. Vescovo, C.-C. Kao, Y. Guan, and W.E. Bailey
    Physical Review B (Condensed Matter) 74(6) 064409 (2006) 
    (pdf) (journal)

     

    Low damping in epitaxial sputtered iron films 
    C. Scheck, L. Cheng, and W.E. Bailey
    Applied Physics Letters 88(25) 252510 (2006) (pdf) (journal) 
    (cond-mat)
     

    Dual-frequency ferromagnetic resonance
    Y. Guan and W.E. Bailey
    Review of Scientific Instruments 77 (6) (2006)
    (pdf) (journal) (cond-mat)

     

    Ion implantation of rare-earth dopants in ferromagnetic thin films 
    V. Dasgupta*, N. Litombe, W. E. Bailey, and H. Bakhru
    Journal of Applied Physics 99 08G312 (2006) (pdf) (journal)

     

    Comparison of time-resolved XMCD measurements in reflection and transmission
    for layer-specific precessional dynamics measurements
     
    Y. Guan*, W.E. Bailey, C.-C. Kao, E. Vescovo, and D.A. Arena
    Journal of Applied Physics 99 08J305 (2006) (pdf) (journal)

     


    2005

    Transmission-mode XMCD characterization of moment alignment in Tb-doped Ni81Fe19 
    Y. Guan, Z. Dios, D.A. Arena, L. Cheng, and W. E. Bailey
    Journal of Applied Physics 97 10A719 (2005) (pdf) (journal)

     

    Experimental separability of channeling GMR in Co/Cu/Co 
    W.E. Bailey, S.E. Russek, X.-G. Zhang, W. H. Butler
    Physical Review B (Condensed Matter) 72 012409 (2005) (pdf) (journal)

     


    2004

    Precessional dynamics of elemental moments in a ferromagnetic alloy 
    W. E. Bailey, L. Cheng, D. Keavney, C.-C. Kao, E. Vescovo, D. Arena
    Physical Review B (Condensed Matter) 70 172403 (2004) (pdf) (journal)

     

    Systematic control of magnetic damping in doped / undoped bilayer thin films
    H. Song, L. Cheng, W.E. Bailey
    Journal of Applied Physics; 95(11), 6592 (2004) (pdf) (journal)

     

    Precessional frequency tuning in Ni81Fe19/Ni81Fe19:Eu bilayers
    L. Cheng, H. Song, W.E. Bailey
    IEEE Transactions on Magnetics 40(4) 2350 (2004)(pdf) (journal)

     


    2003

    Dopants for independent control of precessional frequency and damping in Ni81Fe19(50nm)

    S.G. Reidy, L. Cheng, W. E. Bailey
    Applied Physics Letters 82, 1254 (2003) (pdf) (journal)
       

    Refereed Conference Proceedings

    Design of coupled power inductors with crossed-anisotropy magnetic core for integrated power conversion

    N. Sturcken, R. Davies, C. Cheng, W.E. Bailey, K. Shepard
    IEEE Applied Power Electronics Conference and Exposition (APEC), 417 (2012) 
    (pdf) (journal) 


    Synchronous (lock-in) measurement techniques for magnetic contrast enhancement in STXM

    K. Kaznatcheev, D. Bertwistle, C. Cheng, S. Zohar, W.E. Bailey

    AIP Conference Proceedings (USA) 1365 333 (2011)



    Ph.D. Dissertations:

    Ultrafast magnetization dynamics in ferromagnetic ultrathin films and heterostructures
    Yongfeng Guan, Ph.D. dissertation, Applied Physics, Columbia University, Deposited Jan. 2008
    (pdf)

     

    Materials-based control of ultrafast relaxation in magnetic thin films
    Lili Cheng, Ph.D. dissertation, Materials Science, Columbia University, Deposited Jan. 2006
    (pdf)


    E-prints

    XMCD characterization of rare-earth dopants in Ni81Fe19(50nm): microscopic basis of engineered damping
    W.E. Bailey, L. Cheng, H. Song
    e-print: http://arxiv.org/abs/cond-mat/0403627

     

     

    Selected doctoral / postdoctoral papers (pre-Columbian) 
     

    "Magnetostriction and angular dependence of ferromagnetic resonance linewidth in Tb-doped Ni81Fe19 thin films," S.E. Russek, P. Kabos, R.D. McMichael, C.G. Lee, W.E. Bailey,  R. Ewasko, R.; S.C. Sanders, Journal of Applied Physics 91, pp. 8859-62 (2002)(pdf) (journal)
     

    "Control of magnetization dynamics in Ni81Fe19(50nm) through the use of rare-earth dopants," W. Bailey, P. Kabos, F. Mancoff, S.E. Russek,IEEE Transactions on Magnetics 37(4), pp. 1749-55 (2001) (pdf) (journal)
     

    "Electronic scattering from Co/Cu interfaces: in-situ measurement and comparison with theory,"  W.E. Bailey, S.X. Wang, E. Yu. Tsymbal Physical Review B (Condensed Matter) 61, pp. 1330-5 (2000) (pdf) (journal)

    "Surface scattering and giant magnetoresistance: in-situ resistance and magnetoresistance experiments,"  W.E. Bailey Ph.D. Dissertation, Stanford University Deposited May 2000 (pdf)