1998•Journal of Physics Condensed MatterOpen access

Magnetic properties of Ni clusters embedded in AlN by x-ray magnetic circular dichroism

Didier Zanghi, Anne Delobbe, A. Traverse, G. Krill

Abstract

Magnetic Ni clusters, with an average diameter of 1.9 nm, were prepared by ion implantation in a sintered AlN matrix. X-ray magnetic circular dichroism measurements were performed on this sample at 100 K and 300 K, by measuring the edges of Ni under a magnetic field of T. Using the sum rules currently applied to the bulk transition metals, we deduce a total magnetic moment and the orbital and spin contributions to this moment. The magnetic moment is in good agreement with the values measured by SQUID magnetometry at the same temperatures.

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Key concepts: Magnetic circular dichroism, Magnetometer, X-ray magnetic circular dichroism, Magnetic moment, Squid, Materials science, Condensed matter physics, Magnetic field