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Title: Raman spectroscopy of atomically thin two-dimensional magnetic iron phosphorus trisulfide (FePS3) crystals
Authors: Wang, Xingzhi
Du, Kezhao
Liu, Fredrik Yu Yang
Hu, Peng
Zhang, Jun
Zhang, Qing
Owen, Samuel Man Hon
Lu, Xin
Gan, Chee Kwan
Sengupta, Pinaki
Kloc, Christian
Xiong, Qihua
Keywords: Science::Physics
Issue Date: 2016
Source: Wang, X., Du, K., Liu, F. Y. Y., Hu, P., Zhang, J., Zhang, Q., . . . Xiong, Q. (2016). Raman spectroscopy of atomically thin two-dimensional magnetic iron phosphorus trisulfide (FePS3) crystals. 2D Materials, 3(3), 031009-. doi:10.1088/2053-1583/3/3/031009
Journal: 2D Materials
Abstract: Metal phosphorous trichalcogenide is an important group of layered two-dimensional (2D) materials with potentially diverse applications in low-dimensional magnetic and spintronic devices. Herein we present a comprehensive investigation on the lattice dynamics and spin–phonon interactions of mechanically exfoliated atomically thin 2D magnetic material—iron phosphorus trisulfide (FePS3) by Raman spectroscopy and first principle calculations. Layer-number and temperature dependent Raman spectroscopy suggests a magnetic persistence in FePS3 even down to monolayer regime through the spin–phonon coupling, while the Néel temperature decreases from 117 K in bulk to 104 K in monolayer sample. Our studies advocate the intriguing magnetic properties in 2D crystals and suggest that FePS3 is a promising candidate material for future magnetic applications.
ISSN: 2053-1583
DOI: 10.1088/2053-1583/3/3/031009
Schools: School of Electrical and Electronic Engineering 
School of Materials Science & Engineering 
School of Physical and Mathematical Sciences 
Organisations: Nanoelectronics Centre of Excellence
Rights: © 2016 IOP Publishing Ltd. All rights reserved. This is an author-created, un-copyedited version of an article accepted for publication in 2D Materials. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The definitive publisher authenticated version is available online at
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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