Study of spin-Peierls CuGeO3 by high-field ESR

H. Nojiri, H. Ohta, N. Miura, M. Motokawa

研究成果: Article査読

18 被引用数 (Scopus)

抄録

An inorganic spin-Peierls compound CuGeO3 has been studied by high-field ESR combining pulsed magnetic fields and far-infrared lasers. In EPR measurements under megagauss fields, an exchange splitting is observed and the interchain exchange coupling is evaluated. In the dimerized spin-Peierls phase, a direct transition between the singlet ground and the triplet excited states is observed. This result supports the existence of the second gap between the triplet state and the continuum. Collective spin wave modes in the field-induced magnetic phase and in the antiferromagnetic phase of the impurity-doped system have been also studied.

本文言語English
ページ(範囲)16-21
ページ数6
ジャーナルPhysica B: Condensed Matter
246-247
DOI
出版ステータスPublished - 1998 5 29

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学

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