- Abstract:
-
In LiNiO2, the Ni3+ ions, with S=1/2 and twofold orbital degeneracy, are arranged on a triangular lattice. Using muon-spin relaxation and electron-spin resonance (ESR), we show that magnesium doping does not stabilize any magnetic or orbital order despite the absence of interplane Ni2+. A disordered, slowly fluctuating state develops below 12 K. In addition, we find that magnons are excited on the time scale of the ESR experiment. At the same time, a g factor anisotropy is observed, in agreem...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1103/PhysRevB.78.104409
-
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- Journal:
- PHYSICAL REVIEW B
- Volume:
- 78
- Issue:
- 10
- Publication date:
- 2008-09-05
- DOI:
- EISSN:
-
1550-235X
- ISSN:
-
1098-0121
- URN:
-
uuid:fa373de3-ae49-401b-be24-f6d5234bb28d
- Source identifiers:
-
26644
- Local pid:
- pubs:26644
- Language:
- English
- Copyright date:
- 2008
Journal article
Effect of magnesium doping on the orbital and magnetic order in LiNiO(2)
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