51V-NMR study of honeycomb lattice antiferromagnet InCu 2/3V1/3O3

Y. Fujii, D. Takahashi, Y. Kubo, H. Kikuchi, A. Matsuo, K. Kindo, S. Okubo, H. Ohta

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)

Abstract

We report here the results of 51V-NMR experiments as well as susceptibility and high-filed magnetization measurements on a spin-1/2 honeycomb lattice antiferromagnet InCu2/3V1/3O3. The magnetization curve at 4.2 K showed no anomaly up to 54 T. A small anomaly around 38 K was found in the nuclear spin-latteice relaxation rate T -11 as well as the susceptibility, while NMR spectrum was temperature independent. Further, T-11 showed a broad maximum around 15 K and a tendency to be constant towards the lowest temperature of 2 K. Our results suggest that a large spin fluctuation remains until 2 K without a specific magnetic long-range ordering. Preliminary NMR results for an oriented sample are also shown.

Original languageEnglish
Article number022010
JournalJournal of Physics: Conference Series
Volume200
Issue numberSECTION 2
DOIs
Publication statusPublished - 2010
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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