Magnetic superlattices with variable interlayer exchange coupling: a new approach for the investigation of low-dimensional magnetism |
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Authors: | Leiner V Westerholt K Blixt A M Zabel H Hjörvarsson B |
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Institution: | Institut für Experimentalphysik/Festk?rperphysik, Ruhr-Universit?t Bochum, D-44780 Bochum, Germany. vincent.leiner@simeonics.com |
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Abstract: | We have investigated the magnetic order in an Fe(2)/(VHx)(13)] x 200 superlattice as a function of temperature and hydrogen content in the vanadium layers. A J(radially)-T magnetic phase diagram was established where J(radially) denotes the interlayer exchange coupling between adjacent Fe planes. We propose that Fe/V superlattices, in which the ratio of interlayer to intralayer coupling can be tuned continuously and reversibly via hydrogen in the nonmagnetic vanadium, offer a new approach for the study of low-dimensional magnetism and crossover effects near the transition from ferromagnetic to antiferromagnetic order. |
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