Magnetic transitions in botallackite-structure Cu
                        2
                        (OH)
                        3
                        Br and Cu
                        2
                        (OH)
                        3
                        I

X. G. Zheng; T. Yamashita; M. Hagihala; M. Fujihala; Tatsuya Kawae

doi:10.1016/j.physb.2008.11.221

Magnetic transitions in botallackite-structure Cu ₂ (OH) ₃ Br and Cu ₂ (OH) ₃ I

X. G. Zheng, T. Yamashita, M. Hagihala, M. Fujihala, Tatsuya Kawae

Applied Physics

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

25 Citations (Scopus)

Abstract

The deformed pyrochlore lattice compound clinoatacamite, Cu ₂ (OH) ₃ Cl, shows intriguing frustrated magnetism and 1/4 substitution of Cu with nonmagnetic Zn leads to the two-dimensional kagome lattice ZnCu ₃ Cl ₂ (OH) ₆ that exhibits spin liquid behaviour. These findings renewed interest in botallackite Cu ₂ (OH) ₃ Cl, which is a polymorphous structure of clinoatacamite Cu ₂ (OH) ₃ Cl possessing a two-dimensional triangular lattice. The present work investigates the effect of halogen ions on the magnetic transitions in the botallackite structure. Similar to the antiferromagnetic Cu ₂ (OH) ₃ Cl (T _N =7.2 K), Cu ₂ (OH) ₃ Br and Cu ₂ (OH) ₃ I both showed antiferromagnetic transitions at T _N =10 and 14 K, respectively. Long-range order also exists in Cu ₂ (OH) ₃ Br as exemplified by the μSR study. The experimental results suggest that the magnetic coupling on the triangular lattice is dominated by the super-exchange interaction through the halogen ions. Further detailed comparison studies on these botallackite-structure compounds are expected to clarify the spin configuration on this triangular lattice.

Original language	English
Pages (from-to)	680-682
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	404
Issue number	5-7
DOIs	https://doi.org/10.1016/j.physb.2008.11.221
Publication status	Published - Apr 15 2009

All Science Journal Classification (ASJC) codes

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

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10.1016/j.physb.2008.11.221

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Zheng, X. G., Yamashita, T., Hagihala, M., Fujihala, M., & Kawae, T. (2009). Magnetic transitions in botallackite-structure Cu ₂ (OH) ₃ Br and Cu ₂ (OH) ₃ I Physica B: Condensed Matter, 404(5-7), 680-682. https://doi.org/10.1016/j.physb.2008.11.221

Magnetic transitions in botallackite-structure Cu ₂ (OH) ₃ Br and Cu ₂ (OH) ₃ I . / Zheng, X. G.; Yamashita, T.; Hagihala, M. et al.
In: Physica B: Condensed Matter, Vol. 404, No. 5-7, 15.04.2009, p. 680-682.

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

Zheng, XG, Yamashita, T, Hagihala, M, Fujihala, M & Kawae, T 2009, ' Magnetic transitions in botallackite-structure Cu ₂ (OH) ₃ Br and Cu ₂ (OH) ₃ I ', Physica B: Condensed Matter, vol. 404, no. 5-7, pp. 680-682. https://doi.org/10.1016/j.physb.2008.11.221

Zheng XG, Yamashita T, Hagihala M, Fujihala M, Kawae T. Magnetic transitions in botallackite-structure Cu ₂ (OH) ₃ Br and Cu ₂ (OH) ₃ I Physica B: Condensed Matter. 2009 Apr 15;404(5-7):680-682. doi: 10.1016/j.physb.2008.11.221

Zheng, X. G. ; Yamashita, T. ; Hagihala, M. et al. / Magnetic transitions in botallackite-structure Cu ₂ (OH) ₃ Br and Cu ₂ (OH) ₃ I In: Physica B: Condensed Matter. 2009 ; Vol. 404, No. 5-7. pp. 680-682.

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abstract = " The deformed pyrochlore lattice compound clinoatacamite, Cu 2 (OH) 3 Cl, shows intriguing frustrated magnetism and 1/4 substitution of Cu with nonmagnetic Zn leads to the two-dimensional kagome lattice ZnCu 3 Cl 2 (OH) 6 that exhibits spin liquid behaviour. These findings renewed interest in botallackite Cu 2 (OH) 3 Cl, which is a polymorphous structure of clinoatacamite Cu 2 (OH) 3 Cl possessing a two-dimensional triangular lattice. The present work investigates the effect of halogen ions on the magnetic transitions in the botallackite structure. Similar to the antiferromagnetic Cu 2 (OH) 3 Cl (T N =7.2 K), Cu 2 (OH) 3 Br and Cu 2 (OH) 3 I both showed antiferromagnetic transitions at T N =10 and 14 K, respectively. Long-range order also exists in Cu 2 (OH) 3 Br as exemplified by the μSR study. The experimental results suggest that the magnetic coupling on the triangular lattice is dominated by the super-exchange interaction through the halogen ions. Further detailed comparison studies on these botallackite-structure compounds are expected to clarify the spin configuration on this triangular lattice.",

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AB - The deformed pyrochlore lattice compound clinoatacamite, Cu 2 (OH) 3 Cl, shows intriguing frustrated magnetism and 1/4 substitution of Cu with nonmagnetic Zn leads to the two-dimensional kagome lattice ZnCu 3 Cl 2 (OH) 6 that exhibits spin liquid behaviour. These findings renewed interest in botallackite Cu 2 (OH) 3 Cl, which is a polymorphous structure of clinoatacamite Cu 2 (OH) 3 Cl possessing a two-dimensional triangular lattice. The present work investigates the effect of halogen ions on the magnetic transitions in the botallackite structure. Similar to the antiferromagnetic Cu 2 (OH) 3 Cl (T N =7.2 K), Cu 2 (OH) 3 Br and Cu 2 (OH) 3 I both showed antiferromagnetic transitions at T N =10 and 14 K, respectively. Long-range order also exists in Cu 2 (OH) 3 Br as exemplified by the μSR study. The experimental results suggest that the magnetic coupling on the triangular lattice is dominated by the super-exchange interaction through the halogen ions. Further detailed comparison studies on these botallackite-structure compounds are expected to clarify the spin configuration on this triangular lattice.

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Magnetic transitions in botallackite-structure Cu ₂ (OH) ₃ Br and Cu ₂ (OH) ₃ I

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