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Characterisation of spin-waves in copper(II) deuteroformate tetradeuterate: a square S=1/2 Heisenberg antiferromagnet
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UNSPECIFIED (1999) Characterisation of spin-waves in copper(II) deuteroformate tetradeuterate: a square S=1/2 Heisenberg antiferromagnet. SOLID STATE COMMUNICATIONS, 112 (10). pp. 561-564. ISSN 0038-1098.
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Abstract
Copper(II) formate tetrahydrate (CFTH) is a model square S = 1/2 Heisenberg antiferromagnet with T-N = 16.54 +/- 0.05 K. The dispersion of spin-waves in the magnetic layers of a fully deuterated sample of this material has been mapped at 4.3 K by inelastic neutron scattering from the zone centre at 0.38 meV to the zone boundary at 14.8 meV, The data are described well by spin-wave theory with a small correction for quantum fluctuations, yielding a nearest-neighbour in-plane exchange constant of 6.3 +/- 0.2 meV, (C) 1999 Elsevier Science Ltd, All rights reserved.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Journal or Publication Title: | SOLID STATE COMMUNICATIONS | ||||
| Publisher: | PERGAMON-ELSEVIER SCIENCE LTD | ||||
| ISSN: | 0038-1098 | ||||
| Official Date: | 1999 | ||||
| Dates: |
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| Volume: | 112 | ||||
| Number: | 10 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | pp. 561-564 | ||||
| Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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