Direction of magnetization and domain wall mobility in (Dy,Y)Fe2 |
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| Authors: | K M B Alves E Baggio-Saitovitch A P Guimarães |
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| Institution: | (1) Centro Brasileiro de Pesquisas Físicas, R. Xavier Sigaud 150, 22290 Rio de Janeiro RJ, Brazil;(2) Present address: Departamento de Física e Química, UFES, 29069 Vitória, ES, Brazil |
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| Abstract: | Magnetization measurements in the (Dy
x
Y1−x
)Fe2 intermetallic compounds show evidence of blocking of domain wall motion. This effect is a function of concentrationx. The direction of magnetization is also dependent on the Dy concentration. We have used the Mossbauer spectroscopy of57Fe to verify the direction of magnetization in the series as a function ofx and temperature. The results show that this change in easy direction occurs at higher temperatures than those where the blocking
is detected through DC magnetization measurements.
supported by RHAE/SCT. |
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