The competition between staggered field and antiferromagnetic interactions in CuGeO3:Fe

Sergey Demishev, Alexey Semeno, Alexey Pronin, Nikolay Sluchanko, Nikolay Samarin, Hitoshi Ohta, Susumu Okubo, Motoi Kimata, Keiichi Koyama, Mitsuhiro Motokawa

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

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 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.

Original languageEnglish
Pages (from-to)387-391
Number of pages5
JournalProgress of Theoretical Physics Supplement
Volume159
DOIs
Publication statusPublished - 2005

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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