Study of spin gap excitations in SrCu2(BO3)2 by submillimeter wave ESR

H. Nojiri, H. Kageyama, K. Oniduka, Y. Ueda, M. Motokawa

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Spin gap excitations have been observed directly in two-dimensional dimer system SrCu2(BO3)2 by means of submillimeter wave ESR. The zero-field energy gap shows an unexpected splitting into two branches due to the anisotropy of the inter-dimer coupling. The average coincides with the energy gap value estimated from the high field magnetization process.

Original languageEnglish
Pages (from-to)1450-1451
Number of pages2
JournalPhysica B: Condensed Matter
Volume284-288
Issue numberPART II
DOIs
Publication statusPublished - 2000

Keywords

  • ESR
  • Quantum spin system
  • Spin gap

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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