mu SR study of organic systems: ferromagnetism, antiferromagnetism, the spin-crossover effect, and fluctuations in magnetic nanodiscs
We present the results of recent muSR experiments on a variety of novel organic and molecular magnetic systems. Muons are sensitive to local static fields and magnetic fluctuations, but can probe much more than just the onset of long-range magnetic order. We review our work on nitronyl nitroxide org...
Main Authors: | , , , , , , , , , , |
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Format: | Conference item |
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2003
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author | Blundell, S Pratt, F Lancaster, T Marshall, I Steer, C Hayes, W Sugano, T Letard, J Caneschi, A Gatteschi, D Heath, S |
author_facet | Blundell, S Pratt, F Lancaster, T Marshall, I Steer, C Hayes, W Sugano, T Letard, J Caneschi, A Gatteschi, D Heath, S |
author_sort | Blundell, S |
collection | OXFORD |
description | We present the results of recent muSR experiments on a variety of novel organic and molecular magnetic systems. Muons are sensitive to local static fields and magnetic fluctuations, but can probe much more than just the onset of long-range magnetic order. We review our work on nitronyl nitroxide organic ferromagnets and anti ferromagnets. We describe a muon study of the spin-crossover phenomenon which has been studied in Fe(PM-PEA)(2)(NCS)(2), and which shows Gaussian and root-exponential muon relaxation in the high-spin and low-spin phases, respectively. Experiments on a disc-shaped molecular complex containing Fe-19 (with spin 31/2) reveal the effects of quantum tunneling of magnetization and allow an estimate of the quantum tunneling rate. (C) 2002 Elsevier Science B.V. All rights reserved. |
first_indexed | 2024-03-07T06:03:07Z |
format | Conference item |
id | oxford-uuid:ece88246-cc60-492b-a9db-7e1456c990e4 |
institution | University of Oxford |
last_indexed | 2024-03-07T06:03:07Z |
publishDate | 2003 |
record_format | dspace |
spelling | oxford-uuid:ece88246-cc60-492b-a9db-7e1456c990e42022-03-27T11:20:55Zmu SR study of organic systems: ferromagnetism, antiferromagnetism, the spin-crossover effect, and fluctuations in magnetic nanodiscsConference itemhttp://purl.org/coar/resource_type/c_5794uuid:ece88246-cc60-492b-a9db-7e1456c990e4Symplectic Elements at Oxford2003Blundell, SPratt, FLancaster, TMarshall, ISteer, CHayes, WSugano, TLetard, JCaneschi, AGatteschi, DHeath, SWe present the results of recent muSR experiments on a variety of novel organic and molecular magnetic systems. Muons are sensitive to local static fields and magnetic fluctuations, but can probe much more than just the onset of long-range magnetic order. We review our work on nitronyl nitroxide organic ferromagnets and anti ferromagnets. We describe a muon study of the spin-crossover phenomenon which has been studied in Fe(PM-PEA)(2)(NCS)(2), and which shows Gaussian and root-exponential muon relaxation in the high-spin and low-spin phases, respectively. Experiments on a disc-shaped molecular complex containing Fe-19 (with spin 31/2) reveal the effects of quantum tunneling of magnetization and allow an estimate of the quantum tunneling rate. (C) 2002 Elsevier Science B.V. All rights reserved. |
spellingShingle | Blundell, S Pratt, F Lancaster, T Marshall, I Steer, C Hayes, W Sugano, T Letard, J Caneschi, A Gatteschi, D Heath, S mu SR study of organic systems: ferromagnetism, antiferromagnetism, the spin-crossover effect, and fluctuations in magnetic nanodiscs |
title | mu SR study of organic systems: ferromagnetism, antiferromagnetism, the spin-crossover effect, and fluctuations in magnetic nanodiscs |
title_full | mu SR study of organic systems: ferromagnetism, antiferromagnetism, the spin-crossover effect, and fluctuations in magnetic nanodiscs |
title_fullStr | mu SR study of organic systems: ferromagnetism, antiferromagnetism, the spin-crossover effect, and fluctuations in magnetic nanodiscs |
title_full_unstemmed | mu SR study of organic systems: ferromagnetism, antiferromagnetism, the spin-crossover effect, and fluctuations in magnetic nanodiscs |
title_short | mu SR study of organic systems: ferromagnetism, antiferromagnetism, the spin-crossover effect, and fluctuations in magnetic nanodiscs |
title_sort | mu sr study of organic systems ferromagnetism antiferromagnetism the spin crossover effect and fluctuations in magnetic nanodiscs |
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