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Persistent URL
http://purl.org/net/epubs/work/66430
Record Status
Checked
Record Id
66430
Title
µSR study of magnetic order in the organic quasi-one-dimensional ferromagnet F4BImNN
Contributors
SJ Blundell
,
JS Möller
,
T Lancaster
,
PJ Baker (STFC Rutherford Appleton Lab.)
,
FL Pratt (STFC Rutherford Appleton Lab.)
,
G Seber
,
PM Lahti
Abstract
The stable organic radical 2-(4,5,6,7-tetrafluorobenzimidazol-2-yl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazole-3-oxide-1-oxyl (F4BImNN) forms hydrogen-bonded chains in the solid state and exhibits one-dimensional ferromagnetic exchange with J/kB=22 K. We use muon-spin rotation to demonstrate that weak interchain interactions drive the system to long-range magnetic order below Tc=0.72 K. We use density-functional calculations of the muon site and compare our results to those obtained on the nonfluorinated analog compound. Our results show that F4BImNN is the best realization of a one-dimensional Heisenberg ferromagnet among purely organic compounds yet discovered.
Organisation
ISIS
,
STFC
,
ISIS-HIFI
Keywords
ISIS 2013
Funding Information
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Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Journal Article
Phys Rev B
88, no. 6 (2013): 064423.
doi:10.1103/PhysRevB.88.064423
2013
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