X-ray dichroism is a powerful tool to investigate magnetic properties of a large range of interesting materials. It appears however that also crystal fields play an important role in determining dichroism, especially at surfaces and interfaces. We examined the influence of a magnetic substrate on thin overlayers of Dy. We conclude that the role of the surface in the dichroism is greatly dominating over an eventual magnetic interaction with the substrate.
X-ray dichroism of Dy overlayers on a magnetic substrate / J. Vogel, M. Sacchi, F. Sirotti, G. Rossi. - In: APPLIED SURFACE SCIENCE. - ISSN 0169-4332. - 65-66:C(1993), pp. 170-174. ((Intervento presentato al 6. convegno International Conf on solid films and surfaces tenutosi a Paris nel 1992.
X-ray dichroism of Dy overlayers on a magnetic substrate
G. RossiUltimo
1993
Abstract
X-ray dichroism is a powerful tool to investigate magnetic properties of a large range of interesting materials. It appears however that also crystal fields play an important role in determining dichroism, especially at surfaces and interfaces. We examined the influence of a magnetic substrate on thin overlayers of Dy. We conclude that the role of the surface in the dichroism is greatly dominating over an eventual magnetic interaction with the substrate.
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