K2Sr4(PO3)10: A Polyphosphate with Deep-UV Cutoff Edge and Enlarged Birefringence

A new polyphosphate K2Sr4(PO3)10 is synthesized by a high-temperature solution method. This compound crystallizes in the triclinic space group of P 1 ̅, consisting of the 1D infinite [PO3]∞ chains and K and Sr ions between the chains. Compared with AM2(PO3)5 (A = K, Rb, Cs; M = Ba, Pb), K2Sr4(PO3)10...

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Bibliographic Details
Published in:Inorganic chemistry 2023-10, Vol.62 (39), p.16215-16221
Main Authors: Dong, Weimin, Sun, Yingjie, Feng, Henghao, Deng, Dazheng, Jiang, Jun, Yang, Jin, Guo, Wei, Tang, Libin, Kong, Jincheng, Zhao, Jun
Format: Article
Language:English
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Summary:A new polyphosphate K2Sr4(PO3)10 is synthesized by a high-temperature solution method. This compound crystallizes in the triclinic space group of P 1 ̅, consisting of the 1D infinite [PO3]∞ chains and K and Sr ions between the chains. Compared with AM2(PO3)5 (A = K, Rb, Cs; M = Ba, Pb), K2Sr4(PO3)10 exhibits a more complex [PO3]∞ chain structure and more diverse metal cationic coordination environment. More importantly, K2Sr4(PO3)10 has both a deep-UV cutoff edge (
ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.3c02751