Single Crystal and Magnetic Structures of maricite-type AgMnVO4
Single Crystal and Magnetic Structures of maricite-type AgMnVO4
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马云石型AgMnVO4的单晶和磁性结构
DOI：
10.1016/j.jssc.2014.09.017
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发表时间：
2015
影响因子：
3.3
通讯作者：
Hamdi、鹿野 昌弘、小林 弘典、GAUDIN Etienne、 AVDEEV Maxim、LING Chris D.
中科院分区：
文献类型：
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作者：
BEN YAHIA;Hamdi、鹿野 昌弘、小林 弘典、GAUDIN Etienne、 AVDEEV Maxim、LING Chris D.
使用 AgVO3flux 生长三元钒酸锰 AgMnVO4 的单晶。根据单晶X射线衍射数据确定结构。通过磁化率、比热和低温中子粉末衍射测量对 AgMnVO4 的磁结构和性能进行了表征。 AgMnVO4 呈马云石型结构，空间群为 Pnma，a=9.5393(12)，b=6.8132(9)，c=5.3315(7) Å，Z=4。 AgMnVO4 含有由共享边的 MnO6 八面体组成的 MnO4 链，这些链通过 VO4 和 AgO4 四面体互连。比热测量表明在 ~12.1 K 处存在 3D 反铁磁有序，而中子粉末衍射测量在 5 K 处表明 Mn2+ 磁矩在彼此反铁磁耦合的链内反铁磁耦合。
Single crystals of the ternary manganese vanadate AgMnVO4, were grown using AgVO3flux. The structure was determined from single crystal X-ray diffraction data. The magnetic structure and properties of AgMnVO4were characterized by magnetic susceptibility, specific heat, and low-temperature neutron powder diffraction measurements. AgMnVO4crystallizes in the maricite-type structure with space groupPnma,a=9.5393(12),b=6.8132(9),c=5.3315(7) Å andZ=4. AgMnVO4contains MnO4chains made up of edge-sharing MnO6octahedra, and these chains are interlinked by the VO4and AgO4tetrahedra. The specific heat measurements indicate a 3D-antiferromagnetic ordering at ~12.1 K and the neutron powder diffraction measurements at 5 K show that the Mn2+magnetic moments are antiferromagnetically coupled within the chains which are antiferromagnetically coupled to each other.