ESR of quantum double-spin-chain systems KCuCl3 and TlCuCl3

K. Takatsu, W. Shiramura, H. Tanaka, T. Kambe, H. Nojiri, M. Motokawa

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Abstract

We have performed ESR measurements on the S = 1/2 double-spin-chain systems KCuCl3 and TlCuCl3 using single crystals. The ground states of these compounds are spin singlet and there are finite gaps in their excitation spectra. The temperature dependence of the paramagnetic resonance intensity is similar to that of susceptibility. The direct transition from the singlet ground state to the excited triplet state is observed for both compounds.

Original languageEnglish
Pages (from-to)697-698
Number of pages2
JournalJournal of Magnetism and Magnetic Materials
Volume177-181
Issue numberPART 1
DOIs
Publication statusPublished - Jan 1998

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Keywords

  • Dzyaloshinsky-Moriya interaction
  • Electron-spin resonance
  • Energy gap
  • Singlet ground state

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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