Antiferromagnetic resonance modes for the S = 1/2 kagome antiferromagnet Cs2Cu3SnF12

S. Sharmin, I. Umegaki, H. Tanaka, T. Ono, G. Tanaka, H. Nojiri, M. Fujisawa, N. Matsumi, M. Tomoo, S. Okubo, H. Ohta, T. Sakurai

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Abstract

We have investigated the antiferromagnetic resonance modes of the kagome antiferromagnet Cs2Cu3SnF12 both theoretically and experimentally. High-field electron spin resonance experiments on single crystals were conducted in the ordered phase at different frequencies and temperatures with the external magnetic field parallel to the c axis. Considering three sublattices, we calculated the resonance modes for the motions of the sublattice magnetizations within the framework of the mean field approximation. It was found that the frequency-field diagram is in good agreement with the experimental results.

Original languageEnglish
Article number012011
JournalJournal of Physics: Conference Series
Volume302
Issue number1
DOIs
Publication statusPublished - 2011

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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