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[1]刘 宇*,裴大婷.新型二维层状铜磷酸盐氟化物的合成与表征[J].厦门大学学报(自然科学版),2019,58(03):317-323.[doi:10.6043/j.issn.0438-0479.201804004]
 LIU Yu*,PEI Dating.Synthesis and characterization of the new two-dimensional layered copper phosphate fluoride[J].Journal of Xiamen University(Natural Science),2019,58(03):317-323.[doi:10.6043/j.issn.0438-0479.201804004]
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新型二维层状铜磷酸盐氟化物的合成与表征(PDF/HTML)
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《厦门大学学报(自然科学版)》[ISSN:0438-0479/CN:35-1070/N]

卷:
58卷
期数:
2019年03期
页码:
317-323
栏目:
研究论文
出版日期:
2019-05-28

文章信息/Info

Title:
Synthesis and characterization of the new two-dimensional layered copper phosphate fluoride
文章编号:
0438-0479(2019)03-0317-07
作者:
刘 宇*裴大婷
厦门大学材料学院,福建 厦门 361005
Author(s):
LIU Yu*PEI Dating
College of Materials,Xiamen University,Xiamen 361005,China
关键词:
水热法 晶体结构 磁性 铜磷酸盐
Keywords:
hydrothermal method crystal structure magnetic copper phosphate
分类号:
O 743+.3
DOI:
10.6043/j.issn.0438-0479.201804004
文献标志码:
A
摘要:
采用改良的氟水热法,以磷酸为溶剂合成了一种新型的二维层状铜磷酸盐氟化物Na2Cu2F2[P2O7],并通过粉末X射线衍射、单晶X射线衍射、能谱分析、红外光谱分析、热分析和磁性分析对其晶体结构、化学成分、官能团、热稳定性和磁学性能进行了表征.结果表明:在该化合物中,[Cu2O6F2]二聚体与焦磷酸根[P2O7]4-交替连接形成一个平行于(100)面的二维CuPOF层,层中邻近的磁性Cu2+之间具有很强的反铁磁相互作用; 此外,由于二聚体型结构的Cu2+之间无法形成自旋阻挫以阻止其自旋的有序排列,在低温时该化合物呈现出长程反铁磁有序.
Abstract:
A new two-dimensional copper phosphate fluoride Na2Cu2F2[P2O7] was synthesized using a modified fluoro-hydrothermal method,with phosphoric acid as the solvent.The crystal structure,chemical composition,functional group,thermal stability and magnetic properties of the compounds were characterized by powder X-ray diffraction,single crystal X-ray diffraction,energy dispersion spectrum analysis,infrared spectroscopy analysis,thermal analysis and magnetic analysis.The results showed that,in the structure of the compound,the[Cu2O6F2] dimers and[P2O7] pyrophosphates were alternately connected forming a two-dimensional CuPOF layer parallel to(100),and there was a strong antiferromagnetic interaction between the adjacent magnetic Cu2+.Magnetic analyses showed that due to no spin frustration could be formed between the two Cu2+ of the dimers to prevent their spin ordering,the magnetic susceptibility of the compound had a long range anti-ferromagnetic order at low temperature.

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备注/Memo

备注/Memo:
收稿日期:2018-04-04 录用日期:2018-05-18
* 通信作者:2579997045@qq.com
更新日期/Last Update: 1900-01-01