Stable Oxoborate with Edge-Sharing BO4 Tetrahedra Synthesized under Ambient Pressure

Authors

  • Shifeng Jin,

    1. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, (P.R. China), Fax: (+86) 10-8264-9046
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  • Gemei Cai Dr.,

    1. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, (P.R. China), Fax: (+86) 10-8264-9046
    2. Present address: Central South University, China, Changsha, Hunan Province 410083 (P.R. China)
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  • Wanyan Wang,

    1. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, (P.R. China), Fax: (+86) 10-8264-9046
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  • Meng He Dr.,

    1. National Center for Nanoscience and Technology, China, 11 Beiyitiao, ZhongGuanCun, Beijing 100190 (P.R. China)
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  • Shunchong Wang,

    1. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, (P.R. China), Fax: (+86) 10-8264-9046
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  • Xiaolong Chen Prof. Dr.

    1. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, (P.R. China), Fax: (+86) 10-8264-9046
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  • We thank Dr. J. Liu and G. Wang at IOP for stimulating discussions and Dr. H. Li at BUT for DFT calculations. This work was financially supported by the National Natural Science Foundation of P.R. China under Grant Nos. 90922037, 50872144, and 50972162.

Abstract

original image

Druck ist nicht alles: Kantenverknüpfte BO4-Tetraeder treten nur selten in Boratstrukturen auf, und dann nur, wenn diese unter hohem Druck erzeugt werden. Jetzt wurde dieses Strukturmotiv auch in einem bei Umgebungsdruck erhaltenen Borat entdeckt. Während die Hochdruckphasen nur metastabil sind, ist die Struktur der Titelverbindung bis zu ihrem Schmelzpunkt beständig. Die Verbindung kann außerdem mobile Ionen in ihre Tunnelstruktur aufnehmen.

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