A Ferrotoroidic Candidate with Well-Separated Spin Chains

被引：95

作者：

Zhang, Jun ^{[1
]}

Wang, Xiancheng ^{[1
,2
]}

Zhou, Long ^{[1
]}

Liu, Guangxiu ^{[1
,2
]}

Adroja, Devashibhai T. ^{[3
,4
]}

da Silva, Ivan ^{[3
]}

Demmel, Franz ^{[3
]}

Khalyavin, Dmitry ^{[3
]}

Sannigrahi, Jhuma ^{[3
]}

Nair, Hari S. ^{[5
]}

Duan, Lei ^{[1
,2
]}

Zhao, Jianfa ^{[1
,2
]}

Deng, Zheng ^{[1
]}

Yu, Runze ^{[1
]}

Shen, Xi ^{[1
]}

Yu, Richeng ^{[1
,2
]}

Zhao, Hui ^{[1
,2
]}

Zhao, Jimin ^{[1
,2
,6
]}

Long, Youwen ^{[1
,2
,6
]}

Hu, Zhiwei ^{[7
]}

Lin, Hong-Ji ^{[8
]}

Chan, Ting-Shan ^{[8
]}

Chen, Chien-Te ^{[8
]}

Wu, Wei ^{[9
]}

Jin, Changqing ^{[1
,2
,6
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100190, Peoples R China

[3] Rutherford Appleton Lab, STFC, ISIS Facil, Oxford OX11 0QX, England

[4] Univ Johannesburg, Phys Dept, Highly Correlated Matter Res Grp, POB 524, ZA-2006 Auckland Pk, South Africa

[5] Univ Texas El Paso, Dept Phys, 500 W Univ Ave, El Paso, TX 79968 USA

[6] Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China

[7] Max Plank Inst Chem Phys Solids, Nothnitzer Str 40, D-01187 Dresden, Germany

[8] Natl Synchrotron Radiat Res Ctr NSRRC, 101 Hsin Ann Rd, Hsinchu 30076, Taiwan

[9] UCL, Inst Mat Discovery, Malet Pl, London WC1E 7JE, England

来源：

ADVANCED MATERIALS | 2022年 / 34卷 / 12期

基金：

英国工程与自然科学研究理事会; 国家重点研发计划;

关键词：

ferrotoroidic order; magnetoelectric coupling; multiferroics; spin chain; toroidal moments; BOSE-EINSTEIN CONDENSATION; TOROIDAL MAGNETIC-MOMENT; SINGLE-MOLECULE MAGNET; HIGH-PRESSURE; STATE;

D O I：

10.1002/adma.202106728

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The search of novel quasi-1D materials is one of the important aspects in the field of material science. Toroidal moment, the order parameter of ferrotoroidic order, can be generated by a head-to-tail configuration of magnetic moment. It has been theoretically proposed that 1D dimerized and antiferromagnetic (AFM)-like spin chain hosts ferrotoroidicity and has the toroidal moment composed of only two antiparallel spins. Here, the authors report a ferrotoroidic candidate of Ba6Cr2S10 with such a theoretical model of spin chain. The structure consists of unique dimerized face-sharing CrS6 octahedral chains along the c axis. An AFM-like ordering at approximate to 10 K breaks both space- and time-reversal symmetries and the magnetic point group of mm ' 2 ' allows three ferroic orders in Ba6Cr2S10: (anti)ferromagnetic, ferroelectric, and ferrotoroidic orders. Their investigation reveals that Ba6Cr2S10 is a rare ferrotoroid ic candidate with quasi 1D spin chain, which can be considered as a starting point for the further exploration of the physics and applications of ferrotoroidicity.

引用

页数：8

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