Ferromagnetic Resonance in Fe/Zr Multilayers
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We report our ferromagnetic resonance measurements for three series of Fe/Zr multilayers with thickness ratio of Fe to Zr sublayers equal to 2:1, 1:1, and 1:2, respectively. These measurements may serve as an example of employing ferromagnetic resonance technique as a sensitive probe for monitoring the magnetic phases formed at interfaces in the earliest stages of the interdiffusion reaction in multilayer Fe/Zr films for which the onset of the amorphization takes place during deposition due to thermodynamics of the system. The resulting structure may be regarded as strongly inhomogeneous one that includes distinct ferromagnetic phases related to the Fe atoms in various surroundings.
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