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Signature of possible spin liquid state at 2K in spin-frustrated Cr1-xFexPSe3 alloy

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Title
Signature of possible spin liquid state at 2K in spin-frustrated Cr1-xFexPSe3 alloy
Author(s)
Mallesh Baithi; Dang, Ngoc Toan; Tuan Dung Nguyen; Tran, Tuan Anh; Dinh, Thanh Khan; Sungkyun Choi; Duong, Dinh Loc
Publication Date
2024-06
Journal
Journal of Alloys and Compounds, v.990
Publisher
Elsevier BV
Abstract
Disordered spin systems typically exhibit glass-like characteristics below the glass transition temperature [1–4]. However, when the competition between ferromagnetic and antiferromagnetic couplings is balanced, the spin liquid state persists towards zero Kelvin rather than a glass state [5]. This unique state is known as the quantum spin liquid state. In this study, we examined a potential spin liquid state in the two-dimensional spin-frustrated Cr1-xFexPSe3 alloy by magnetic susceptibility measurements as a function of temperature and doping. Two end compounds, CrPSe3 and FePSe3, exhibit an antiferromagnetic order. With the Fe doping, the antiferromagnetic order of frustrated CrPSe3 gradually weakened and reached its minimum transition temperature at the critical concentration of x = 0.33. This weak order became indeterminate when a high magnetic field was applied, indicating the possibility of converting the magnetic order to the spin liquid state down to 2 K. With further doping, an antiferromagnetic order was observed in the Fe-dominated compound. Our results provide a new two-dimensional flat form for exploring quantum spin liquid states. © 2024 Elsevier B.V.
URI
https://pr.ibs.re.kr/handle/8788114/15203
DOI
10.1016/j.jallcom.2024.174360
ISSN
0925-8388
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
Center for Van der Waals Quantum Solids(반데르발스 양자 물질 연구단) > 1. Journal Papers (저널논문)
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