The magnetic properties of rf sputtered amorphous (Co93Zr7)100−xTbx thin films were investigated as a function of Tb content for 0≤x≤2 by transverse biased initial susceptibility measurements. The deposition was performed in a magnetic field. This films exhibit a very well-defined in-plane anisotropy with negligible long-range fluctuations and a small coercive field Hc, in accordance with the experimental data. The overall variations of the transverse susceptibility are related to the ripple, and the variations of the structure factor S with composition was measured. The local anisotropy Kloc, deduced from S, increases with the increasing amount of Tb in the layers. The results are discussed in terms of the single-ion anisotropy of the rare earth.

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Frequency and field dependence of magnetoelectric interactions in layered ferromagnetic transition metalpiezoelectric lead zirconate titanate Appl. Phys. Lett. 87, 222507 (2005); 10.1063/1.2137450 Fluctuation field and time dependence of magnetization in TbFeCo amorphous rare earth-transition metal thin films for perpendicular magnetic recording A study of complex permeability in rare earthsubstituted cobalt/nonmagnetic transition metal amorphous thin films J. Appl. Phys. 73, 5592 (1993); 10.1063/1.353661 Microstructure and magnetism in amorphous rare earth-transition metal thin films

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The saturation magnetization, uniaxial anisotropy, and the dynamical magnetic properties of amorphous ( Co,,Zrs j loo.. .~ (RE), thin films have been studied for various magnetic rare earths and for 0