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The structural and magnetic properties of holmium/scandium superlattices

BrynJacobsen, C; Cowley, RA; McMorrow, DF; Goff, JP; Ward, RCC; Wells, MR; (1997) The structural and magnetic properties of holmium/scandium superlattices. In: PHYSICA B. (pp. 495 - 497). ELSEVIER SCIENCE BV

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Abstract

The properties of Ho/Sc superlattices grown by molecular beam epitaxy (MBE) have been investigated using X-ray and neutron diffraction techniques. Structural studies reveal the novel existence of more than one a lattice parameter. Examining the magnetic properties, it is found that the Ho 4f moments form a basal-plane helix at all temperatures, with the exception of one sample for which there is a low-temperature transition to a ferromagnetic phase. In the helical phase, some samples exhibit a short-range coherence of an overall antiferromagnetic coupling between adjacent Ho blocks.

Type: Proceedings paper
Title: The structural and magnetic properties of holmium/scandium superlattices
Event: 1st European Conference on Neutron Scattering (ECNS 96)
Location: INTERLAKEN, SWITZERLAND
Dates: 1996-10-08 - 1996-10-11
Keywords: multilayers, helical-magnetic structures, ferromagnetism, short-range order, RARE-EARTH SUPERLATTICES, YTTRIUM, HOLMIUM
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/60094
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