- Abstract:
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We report muon spin relaxation (μSR) and magnetic susceptibility investigations of two Ti3+ (S=1/2) chain compounds, NaTiSi2O6 and TiOCl, each of which exhibits a spin gap at low temperature. From these we conclude that the spin gap in NaTiSi2O6, which arises from orbital ordering at Too, with a value of 2Δ =700(100) K. In TiOCl, we find thermally activated spin fluctuations corresponding to a spin gap 2Δ=440(60) K below Tcl=67 K. We can describe both the μSR and susceptibility data in terms ...
Expand abstract - Publication status:
- Published
- Peer review status:
- Peer reviewed
- Files:
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(pdf, 313.8kb)
-
- Publisher copy:
- 10.1103/PhysRevB.75.094404
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- Publisher:
- American Physical Society Publisher's website
- Journal:
- Physical Review B Journal website
- Volume:
- 75
- Issue:
- 9
- Pages:
- Article: 094404
- Publication date:
- 2007-03-05
- DOI:
- EISSN:
-
1550-235x
- ISSN:
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1098-0121
- URN:
-
uuid:07d87e4d-d670-4a2c-9586-545fd5f076a0
- Local pid:
- ora:2209
- Language:
- English
- Keywords:
- Subjects:
- Copyright holder:
- American Physical Society
- Copyright date:
- 2007
- Notes:
- Citation: Baker, P. J. et al. (2007). 'Muon-spin relaxation measurements on the dimerized spin-1/2 chains NaTiSi2O6 and TiOCl', Physical Review B, 75, 094404. [Available at http://prb.aps.org/].
Journal article
Muon-spin relaxation measurements on the dimerized spin-1/2 chains NaTiSi2O6 and TiOCl
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