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混合价化合物MnO(SeO)中的两种磁有序和自旋翻转转变

Two Magnetic Orderings and a Spin-Flop Transition in Mixed Valence Compound MnO(SeO).

作者信息

Zhang Wanwan, Cui Meiyan, Tian Jindou, Jiang Pengfeng, Qian Guoyu, Lu Xia

机构信息

School of Materials, Sun Yat-sen University, Guangzhou 510275, China.

State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.

出版信息

Materials (Basel). 2022 Aug 21;15(16):5773. doi: 10.3390/ma15165773.

DOI:10.3390/ma15165773
PMID:36013909
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9414948/
Abstract

A mixed-valence manganese selenite, MnO(SeO), was successfully synthesized using a conventional hydrothermal method. The three-dimensional framework of this compound is composed of an MnO octahedra and an SeO trigonal pyramid. The magnetic topological arrangement of manganese ions shows a three-dimensional framework formed by the intersection of octa-kagomé spin sublattices and staircase-kagomé spin sublattices. Susceptibility, magnetization and heat capacity measurements confirm that MnO(SeO) exhibits two successive long-range antiferromagnetic orderings with ~4.5 K and ~45 K and a field-induced spin-flop transition at a critical field of 4.5 T at low temperature.

摘要

采用传统水热法成功合成了一种混合价态的亚硒酸锰MnO(SeO)。该化合物的三维骨架由MnO八面体和SeO三角锥组成。锰离子的磁拓扑排列呈现出由八面体- Kagomé自旋子晶格和阶梯- Kagomé自旋子晶格相交形成的三维骨架。磁化率、磁化强度和热容量测量结果证实，MnO(SeO)在4.5 K和45 K表现出两个连续的长程反铁磁有序，并且在低温下于4.5 T的临界场处发生场致自旋翻转转变。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/8e466d3e8526/materials-15-05773-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/4d4b6dea7f05/materials-15-05773-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/76fa6d5c608f/materials-15-05773-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/4600376a4fab/materials-15-05773-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/642caf88a0d0/materials-15-05773-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/cb1777c69f71/materials-15-05773-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/8e466d3e8526/materials-15-05773-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/4d4b6dea7f05/materials-15-05773-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/76fa6d5c608f/materials-15-05773-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/4600376a4fab/materials-15-05773-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/642caf88a0d0/materials-15-05773-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/cb1777c69f71/materials-15-05773-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f930/9414948/8e466d3e8526/materials-15-05773-g006.jpg

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