Submillimeter wave ESR study on triangular lattice antiferromagnet CuFeO2

T. Fukuda; H. Nojiri; M. Motokawa; T. Asano; M. Mekata; Y. Ajiro

doi:10.1016/S0921-4526(97)00989-7

Submillimeter wave ESR study on triangular lattice antiferromagnet CuFeO₂

T. Fukuda, H. Nojiri, M. Motokawa, T. Asano, M. Mekata, Y. Ajiro

Institute for Materials Research (IMR) (institute affiliation only)

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

The first submillimeter wave ESR on triangular lattice antiferromagnet, CuFeO₂ has been performed in frequencies up to 762 GHz. The changes of AFMR modes were observed for H∥c, corresponding to the metamagnetic transition which occurred below T_N2. In a phase between T_N1 and T_N2, we observed an easy-plane type AFMR mode which could not explain a partially disordered model suggested by neutron diffraction experiments.

Original language	English
Pages (from-to)	569-571
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	246-247
DOIs	https://doi.org/10.1016/S0921-4526(97)00989-7
Publication status	Published - 1998 May 29

Keywords

CuFeO
Easy-plane anisotropy
SDW
Submillimeter wave ESR

ASJC Scopus subject areas

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

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Cite this

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AU - Fukuda, T.

AU - Nojiri, H.

AU - Motokawa, M.

AU - Asano, T.

AU - Mekata, M.

AU - Ajiro, Y.

PY - 1998/5/29

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AB - The first submillimeter wave ESR on triangular lattice antiferromagnet, CuFeO2 has been performed in frequencies up to 762 GHz. The changes of AFMR modes were observed for H∥c, corresponding to the metamagnetic transition which occurred below TN2. In a phase between TN1 and TN2, we observed an easy-plane type AFMR mode which could not explain a partially disordered model suggested by neutron diffraction experiments.

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KW - Easy-plane anisotropy

KW - SDW

KW - Submillimeter wave ESR

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