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Has files: Yes × search.filters.applied.f.series: New Journal of Physics, Volume 11 × Subject: A densities ×

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    Electric-field control of surface magnetic anisotropy: A density functional approach
    (Milton Park : Taylor & Francis, 2009) Zhang, Hongbin; Richter, Manuel; Koepernik, Klaus; Opahle, Ingo; Tasnádi, Ferenc; Eschrig, Helmut
    In a recent experiment, Weisheit et al (2007 Science 315 349) demonstrated that the coercivity of thin L10 FePt and FePd films can be modified by the external electric field in an electrochemical environment. Here, this observation is confirmed by density functional calculations for the intrinsic magnetic anisotropy. The origin of the effect is clarified by means of a general and simple method to simulate charged metal surfaces. It is predicted that the coercivity of thin CoPt films is much more susceptible to electric field than that of FePt films.