The Competition between Staggered Field and Antiferromagnetic Interactions in Cugeo3:Fe

S. V Demishev; A. V. Semeno; A. A. Pronin; N. E. Sluchanko; N. A. Samarin; H. Ohta; S. Okubo; M. Kimata; K. Koyama; M. Motokawa

doi:10.1143/PTPS.159.387

The Competition between Staggered Field and Antiferromagnetic Interactions in Cugeo3:Fe

Strongly Correlated Electrons 2015-06-24 v1

Authors: S. V Demishev , A. V. Semeno , A. A. Pronin , N. E. Sluchanko , N. A. Samarin , H. Ohta , S. Okubo , M. Kimata , K. Koyama , M. Motokawa

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Abstract

The EPR spectra along different crystallographic axes for single crystals of CuGeO3 containing 1% of Fe impurity have been studied in the frequency range 60-360 GHz at temperatures 0.5-30 K. The analysis based on the Oshikawa-Affleck (OA) theory suggests that the temperature dependences of the line width and g-factor are formed as a result of the competition between interchain antiferromagnetic interactions and staggered Zeeman energy. It is found that staggered magnetic moments in CuGeO3:Fe are located predominantly along b axis.

Keywords

EPR spectroscopy antiferromagnetic interactions staggered field CuGeO3 Oshikawa-Affleck theory

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@article{arxiv.cond-mat/0411438,
  title  = {The Competition between Staggered Field and Antiferromagnetic Interactions in Cugeo3:Fe},
  author = {S. V Demishev and A. V. Semeno and A. A. Pronin and N. E. Sluchanko and N. A. Samarin and H. Ohta and S. Okubo and M. Kimata and K. Koyama and M. Motokawa},
  journal= {arXiv preprint arXiv:cond-mat/0411438},
  year   = {2015}
}

Comments

9 pages, 4 figures; submitted to QSS04 symposium

The Competition between Staggered Field and Antiferromagnetic Interactions in Cugeo3:Fe

Abstract

Keywords

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