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Field-induced successive phase transitions in the J(1)-J(2) buckled honeycomb antiferromagnet Cs3Fe2Cl9
| Title: | Field-induced successive phase transitions in the J(1)-J(2) buckled honeycomb antiferromagnet Cs3Fe2Cl9 |
| Authors: | Ishii, Y. Browse this author | | Narumi, Y. Browse this author | | Matsushita, Y. Browse this author | | Oda, M. Browse this author | | Kida, T. Browse this author | | Hagiwara, M. Browse this author | | Yoshida, H. K. Browse this author →KAKEN DB |
| Issue Date: | 25-Mar-2021 |
| Publisher: | American Physical Society (APS) |
| Journal Title: | Physical Review B |
| Volume: | 103 |
| Issue: | 10 |
| Start Page: | 104433 |
| Publisher DOI: | 10.1103/PhysRevB.103.104433 |
| Abstract: | The magnetic properties of Cs3Fe2Cl9 single crystals were investigated by magnetic and thermal measurements. The crystal structure of Cs3Fe2Cl9 consists of a bilayer triangular lattice of Fe3+ ions. The analysis of magnetic susceptibility clarified that the intra- and interdimer interactions are comparable with each other, and Cs3Fe2Cl9 is regarded as a spin-5/2 J(1)-J(2) buckled honeycomb antiferromagnet with the ferromagnetic interlayer interaction J(3). The susceptibility for the magnetic field H vertical bar vertical bar c axis exhibits a sudden drop at the Neel temperature T-N = 5.4 K, indicating a first-order magnetic phase transition. One of the characteristic features is the linear temperature dependence below TN. Furthermore, Cs3Fe2Cl9 undergoes successive magnetic phase transitions in high magnetic fields along the c axis. We obtained a rich H-T phase diagram in which the M-s/2 magnetization-plateau phase is included. These unique magnetic behaviors probably originate from the competition of magnetic interactions and the easy-axis anisotropy in the antiferromagnetic J(1)-J(2) buckled honeycomb network. |
| Rights: | Copyright 2021 by The American Physical Society. |
| Type: | article |
| URI: | http://hdl.handle.net/2115/82103 |
| Appears in Collections: | 理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 吉田 紘行
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