Ferromagnetic multilayers of Permalloy and TiN

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Ferromagnetic multilayers of Permalloy (Ni 81%, Fe 19%) alternated with TiN were prepared by magnetically confined plasma dc sputtering. Rutherford backscattering spectroscopy and x-ray diffraction analysis showed high structural quality for our samples. The easy- and hard-coercivity field values and the anisotropy field values were reduced by the lamination and were almost independent of the number of layers. Electrical resistivity versus temperature and resistivity ratio measurements were also made.