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Rare earth superlattices

McMorrow, DF; (1997) Rare earth superlattices. In: McMorrow, DF and Jensen, J and Ronnow, HM, (eds.) MAGNETISM IN METALS. (pp. 97 - 112). ROYAL DANISH ACADEMY SCIENCES & LETTERS

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Abstract

A review is given of recent experiments on the magnetism of rare earth superlattices. Early experiments in this field were concerned mainly with systems formed by combining a magnetic and a non-magnetic element in a superlattice structure. From results gathered on a variety of systems it has been established that the propagation of magnetic order through the non-magnetic spacer can be understood mostly on the basis of an RKKY-like model, where the strength and range of the coupling depends on the details of the conduction electron susceptibility of the spacer. Recent experiments on more complex systems indicate that this model does not provide a complete description. Examples include superlattices where the constituents can either be both magnetic, adopt different crystal structures (Fermi surfaces), or where one of the constituents has a non-magnetic singlet ground state. The results from such systems are presented and discussed in the context of the currently accepted model.

Type: Proceedings paper
Title: Rare earth superlattices
Event: Symposium in Memory of Allan Mackintosh - Magnetism in Metals
Location: COPENHAGEN, DENMARK
Dates: 1996-08-26 - 1996-08-29
ISBN: 87-7304-287-0
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/60099
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