Synthesis and magnetic properties of ba2mn2si 2o9: The first example of s=2 spin-dimer with spin-singlet ground state

Zhangzhen He; Myung Hwan Wangbo; Yutaka Ueda; Yasuo Narumi; Koichi Kindo; Tomoyasu Taniyama; Mitsuru Itoh; Wendan Cheng

doi:10.1002/asia.200900235

Synthesis and magnetic properties of ba₂mn₂si ₂o₉: The first example of s=2 spin-dimer with spin-singlet ground state

Zhangzhen He, Myung Hwan Wangbo, Yutaka Ueda, Yasuo Narumi, Koichi Kindo, Tomoyasu Taniyama, Mitsuru Itoh, Wendan Cheng

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

3 Citations (Scopus)

Abstract

Correlation of structure and property: Ba₂Mn₂Si ₂O₉ consists of Mn₂O₈ dimers made up of two basaledge-sharing MnO₅ square pyramids. Magnetic measurements show that this material displays a spin-singlet ground state with a large spin gap. The spin-dimer analysis suggests that the origin of the spin gap is likely to arise from a large intra-dimer interaction between the Mn1O5 and Mn ₂O₅ square pyramids.

Original language	English
Pages (from-to)	1530-1535
Number of pages	6
Journal	Chemistry - An Asian Journal
Volume	4
Issue number	10
DOIs	https://doi.org/10.1002/asia.200900235
Publication status	Published - 2009 Oct 5
Externally published	Yes

Keywords

Crystal growth
Magnetic properties manganese
Silicates
Theoretical calculations

ASJC Scopus subject areas

Biochemistry
Organic Chemistry

Access to Document

10.1002/asia.200900235

Cite this

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title = "Synthesis and magnetic properties of ba2mn2si 2o9: The first example of s=2 spin-dimer with spin-singlet ground state",

abstract = "Correlation of structure and property: Ba2Mn2Si 2O9 consists of Mn2O8 dimers made up of two basaledge-sharing MnO5 square pyramids. Magnetic measurements show that this material displays a spin-singlet ground state with a large spin gap. The spin-dimer analysis suggests that the origin of the spin gap is likely to arise from a large intra-dimer interaction between the Mn1O5 and Mn 2O5 square pyramids.",

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AU - He, Zhangzhen

AU - Wangbo, Myung Hwan

AU - Ueda, Yutaka

AU - Narumi, Yasuo

AU - Kindo, Koichi

AU - Taniyama, Tomoyasu

AU - Itoh, Mitsuru

AU - Cheng, Wendan

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AB - Correlation of structure and property: Ba2Mn2Si 2O9 consists of Mn2O8 dimers made up of two basaledge-sharing MnO5 square pyramids. Magnetic measurements show that this material displays a spin-singlet ground state with a large spin gap. The spin-dimer analysis suggests that the origin of the spin gap is likely to arise from a large intra-dimer interaction between the Mn1O5 and Mn 2O5 square pyramids.

KW - Crystal growth

KW - Magnetic properties manganese

KW - Silicates

KW - Theoretical calculations

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