Sep 12 – 17, 2010
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Measuring the magnetic properties of monolayers of single molecule magnets

Sep 14, 2010, 3:00 PM
20m
500/1-001 - Main Auditorium (CERN)

500/1-001 - Main Auditorium

CERN

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ORAL CONTRIBUTION Magnetism and Magnetic materials - Bulk and thin layers MAGNETISM AND MAGNETIC MATERIALS: BULK AND THIN FILMS

Speaker

Dr Zaher Salman (Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland)

Description

text

Summary

A promising strategy to encode information in molecular units is provided by single molecule magnets (SMMs), chemically identical nanoscale clusters of exchange-coupled transition metal and associated ligands. SMMs have been used to study a variety of quantum phenomena and may find applications in quantum information processing. The assembly of these systems on surfaces is currently investigated as this represents a necessary prerequisite for magnetic memory applications. However, the effect of the surface on an SMM is still not well understood. This is due to the small quantity of magnetic material contained in a (sub)monolayer which prevents the use of conventional techniques. Here we overcome this obstacle by using a novel proximal magnetometry techniques utilizing polarized muons and nuclei as an implanted local probe to investigate magnetic properties of such monolayers of SMMs. We anticipate that this method will provide a powerful tool to improve our understanding of the influence of the surface on a grafted SMM.

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Primary author

Dr Zaher Salman (Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland)

Co-authors

Dr A. Suter (Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland) Prof. E Morenzoni (Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland) Dr G. D. Morris (TRIUMF, 4004 Wesbrook Mall, Vancouver, BC, Canada, V6T 2A3) Prof. K. H. Chow (Department of Physics, University of Alberta, Edmonton, AB, Canada, T6G 2G7) Dr M Mannini (Dipartimento di Chimica, Universit\'a di Firenze \& INSTM, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy) Dr P. Prokscha (Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland) Prof. R. F. Kiefl (Department of Physics and Astronomy, University of British Columbia, Vancouver, BC, Canada V6T 1Z1) Prof. R. Sessoli (Dipartimento di Chimica, Universit\'a di Firenze & INSTM, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy) Prof. S. J. Blundell (Clarendon Laboratory, Department of Physics, Oxford University, Parks Road, Oxford OX1 3PU, UK) Dr S. R. Giblin (ISIS Facility, Rutherford Appleton Laboratory, Chilton, Oxfordshire, OX11 0QX, UK) Prof. W. A. MacFarlane (Department of Chemistry, University of British Columbia, Vancouver, BC, Canada V6T 1Z1)

Presentation materials