化学
碱金属
反铁磁性
铜
焦磷酸盐
结晶学
红外光谱学
单晶
磁化率
无机化学
凝聚态物理
生物化学
物理
有机化学
酶
作者
Juanjuan Zheng,Maierhaba Abudoureheman,Peng Wang,Alimujiang Yalikun,Bo Wei,Zhaohui Chen,Lin Sun,Jun Zhang
标识
DOI:10.1016/j.ica.2022.121331
摘要
By the application of cation substitution with a site in A–Cu–P–O (A = alkali or mixed-alkali metals) system, a mixed-alkaline metal copper-containing phosphate LiKCuP2O7 has been obtained. Single crystal X-ray diffraction analysis shows that LiKCuP2O7 belongs to the P21/c space group and features a three-dimensional (3D) network constructed by LiO4, KO9, CuO5, P2O7 units. Interestingly, the CuO5 polyhedra are interlinked with P2O7 units via vertex-sharing O atoms to form two-dimensional (2D) layers, where the Li+, K+ cations reside. In order to understanding the influence of cation size on the 3D networks as well as different dimensions of Cu–P–O frameworks, the structure comparisons in the A–Cu–P–O system have been discussed in detailed. Thermal behavior and infrared spectroscopy have been analysed. What is more, magnetic susceptibility measurements over a wide range of temperature exhibit the presence of antiferromagnetic behaviour.
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