High-field ESR systems in Kobe

S. Okubo, H. Ohta, Y. Inagaki, T. Sakurai

研究成果: Contribution to journalConference article

7 引用 (Scopus)

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Recent developments of the high-field facility in Kobe University are presented. A far infrared radiation (FIR) laser system, which can generate electromagnetic waves from 500 GHz to 3 THz has been installed. Now the frequency region for high-field ESR is extended from 30 GHz to 3 THz using Gunn oscillators, BWOs and a FIR laser. Recent high-field ESR results of quantum spin systems CsFeBr3 and Cu3(CO3) 2(OH)2 using these light sources are presented. CsFeBr3 is known as a field-induced antiferromagnetic ordering substance, and we found new ESR modes in the high-field phase of CsFeBr 3 for B//c at 2.0 K. Cu3(CO3) 2(OH)2 is the model substance for the S=1/2 quantum diamond chain, and we observed the direct transition in the ESR measurement at 1.9 K for B//c.

元の言語英語
ページ(範囲)627-632
ページ数6
ジャーナルPhysica B: Condensed Matter
346-347
発行部数1-4
DOI
出版物ステータス出版済み - 4 30 2004
外部発表Yes
イベントProceedings of the 7th International Symposium on Research - Toulouse, フランス
継続期間: 7 20 20037 23 2003

All Science Journal Classification (ASJC) codes

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

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