- Abstract:
-
We report muon spin relaxation (μSR) and magnetic susceptibility investigations of two Ti3+ (S=1/2) chain compounds, NaTi Si2 O6 and TiOCl, each of which exhibits a spin gap at low temperature. From these we conclude that the spin gap in NaTi Si2 O6, which arises from orbital ordering at TOO =210 K, is temperature independent below 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 Tc1 =67 K. We can desc...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1103/PhysRevB.75.094404
-
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- Journal:
- PHYSICAL REVIEW B
- Volume:
- 75
- Issue:
- 9
- Publication date:
- 2007-03-05
- DOI:
- EISSN:
-
1550-235X
- ISSN:
-
1098-0121
- URN:
-
uuid:2574f947-0973-43a3-980c-8ecf994667d9
- Source identifiers:
-
27943
- Local pid:
- pubs:27943
- Language:
- English
- Copyright date:
- 2007
Journal article
Muon-spin relaxation measurements on the dimerized spin-1/2 chains NaTiSi2O6 and TiOCl
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