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From CsKTaF 7 to CsNaTaF 7 : Alkali Metal Cations Regulation to Generate SHG Activity** by Ru‐Ling Tang; Xin Lian; Xiao‐Hui Li; Lei Huai; Wenlong Liu; Sheng‐Ping Guo is a Chemistry article available to read on EtoBox.

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Inorganic metal halides play important roles in wide range of areas including fluorescence, X-ray detection, and nonlinear-optics. Herein, two new mixed alkali metal tantalum fluorides, CsKTaF 7 and CsNaTaF 7 , have been obtained based on the strategy of cations regulation in A 2 MF 7 (A represents monovalent cations and M is d 0 transition-metal cation) system by a conventional hydrothermal route. CsKTaF 7 crystallizes in the centric Pnma space group, while CsNaTaF 7 crystallizes in the polar Cmc2 1 space group and exhibits moderate and phase-matchable NLO activity. Both halides possess large optical band gaps above 5.0 eV. The crystal structure evolution, optical properties, and detailed theory calculations of these two halides were elucidated in this work.

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Author

Ru‐Ling Tang; Xin Lian; Xiao‐Hui Li; Lei Huai; Wenlong Liu; Sheng‐Ping Guo

Publisher

Wiley

Published

2022

Language

EN

Field

Chemistry (Physical Sciences)