中文版 | English
Title

Structural and magnetic phase transitions in quasi-two-dimensional VBr3

Author
Corresponding AuthorShao, Jifeng; Huang, Mingyuan
Publication Years
2022-08-31
DOI
Source Title
ISSN
2469-9950
EISSN
2469-9969
Volume106Issue:8
Abstract

We present a systematic study on the structural and magnetic phase transitions in quasi-two-dimensional (2D) material VBr3 through various experimental techniques. With decreasing the temperature, VBr3 first undergoes a structural phase transition at around 90 K and then changes into the antiferromagnetic (AFM) state below 26.5 K. Interestingly, in addition to the strong AFM coupling background below 26.5 K, our VBr3 single crystals also exhibit robust hysteresis loops with coercive field about 1.5 T at 2 K for H//c, but none for H//ab. This is a typical feature of canted AFM and should not originate from a possible ferromagnetic (FM) impurities phase, because FM materials such as VI3 always have clear hysteresis loops in all magnetic field directions. Magnetization measurements of angle for rotation in both ab and ac planes also suggest VBr3 as a canted AFM with easy axis slightly off the c axis. Furthermore, detailed Raman spectroscopy measurements also reveal the structural phase transition at 90 K. More importantly, splitting of a doubly degenerated E-g mode is observed, which demonstrates threefold rotational symmetry breaking in the low-temperature phase. Considering the similar structural phase transition of isostructural materials, we conclude that VBr3 changes from R (3) over bar structure to C2/m structure with stacking order change as temperature decreases.

URL[Source Record]
Indexed By
SCI ; EI
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
Corresponding
Funding Project
National Natural Sci-ence Foundation of China[
WOS Research Area
Materials Science ; Physics
WOS Subject
Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS Accession No
WOS:000850744400003
Publisher
EI Accession Number
20223712730785
EI Keywords
Crystal Impurities ; Hysteresis ; Magnetic Materials ; Magnetism ; Single Crystals ; Temperature
ESI Classification Code
Thermodynamics:641.1 ; Magnetism: Basic Concepts And Phenomena:701.2 ; Magnetic Materials:708.4 ; Mathematics:921 ; Crystalline Solids:933.1 ; Crystal Lattice:933.1.1 ; Systems Science:961
ESI Research Field
PHYSICS
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/401505
DepartmentDepartment of Physics
量子科学与工程研究院
Affiliation
1.Harbin Inst Technol, Sch Phys, Harbin 150001, Peoples R China
2.Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Peoples R China
3.Southern Univ Sci & Technol, Shenzhen Inst Quantum Sci & Engn, Shenzhen 518055, Peoples R China
4.Int Quantum Acad, Shenzhen 518048, Peoples R China
First Author AffilicationDepartment of Physics
Corresponding Author AffilicationInstitute for Quantum Science and Engineering;  Department of Physics
Recommended Citation
GB/T 7714
Lyu, BingBing,Wang, Le,Gao, YiFan,et al. Structural and magnetic phase transitions in quasi-two-dimensional VBr3[J]. PHYSICAL REVIEW B,2022,106(8).
APA
Lyu, BingBing.,Wang, Le.,Gao, YiFan.,Guo, Shu.,Zhou, Xuefeng.,...&Huang, Mingyuan.(2022).Structural and magnetic phase transitions in quasi-two-dimensional VBr3.PHYSICAL REVIEW B,106(8).
MLA
Lyu, BingBing,et al."Structural and magnetic phase transitions in quasi-two-dimensional VBr3".PHYSICAL REVIEW B 106.8(2022).
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