Exfoliation, lattice vibration and air stability characterization of antiferromagnetic van der Waals NiPS3 nanosheets

doi:10.1016/j.apsusc.2019.144405

	Exfoliation, lattice vibration and air stability characterization of antiferromagnetic van der Waals NiPS3 nanosheets
	Lu, Haoyong 5; Wang, Wei 1,2; Liu, Yun 5; Chen, Limin 5; Xie, Qiyun 5; Yin, Handi 3; Cheng, Guofeng 3; He, Liang 4
刊名	APPLIED SURFACE SCIENCE
	2020-02-28
卷号	504 页码:6
关键词	NiPS3 Two dimensional Magnetic van der Waals crystals Raman spectra
ISSN号	0169-4332
DOI	10.1016/j.apsusc.2019.144405
通讯作者	Xie, Qiyun(qyxie@njupt.edu.cn) ; Cheng, Guofeng(gfcheng@mail.sic.ac.cn)
英文摘要	Layered NiPS3 compound belongs to interesting two dimensional magnetic van der Waals (vdW) crystals, which provide the ideal platform for understanding two dimensional magnetism. Here high-quality NiPS3 single crystals of millimeter size are synthesized through the chemical vapor transport method. The layered structure and weak vdW interaction between layers lead to exfoliation down to a single layer. The atomic force microscope (AFM) and optical contrast are combined to determine the layer thickness. The lattice vibrations are further probed by Raman spectroscopy in detail and exhibit significant dependence on thickness of nanosheets. By Raman spectroscopy and AFM, the stability of monolayer NiPS3 has been discussed when exposed to air at room temperature. It is estimated that the exposure to air induces degradation gradually and the monolayer NiPS3 is roughly stable within 3 days after exfoliation. The surface suffers from oxidation in air, as confirmed by XPS measurements.
资助项目	National Natural Science Foundation of China[11404169] ; National Natural Science Foundation of China[51602159] ; National Natural Science Foundation of China[11704196] ; Scientific Research Foundation of Nanjing University of Posts & Telecommunications[NY217043] ; Scientific Research Foundation of Nanjing University of Posts & Telecommunications[NY218021] ; Postgraduate Research & Practice Innovation Program of Jiangsu Province[SJCX18_0287] ; Postgraduate Research & Practice Innovation Program of Jiangsu Province[SJCX19_0278]
WOS关键词	RELIABLE THICKNESS IDENTIFICATION ; PHOSPHORUS ; FERROMAGNETISM ; LAYERS
WOS研究方向	Chemistry ; Materials Science ; Physics
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000502040600133
内容类型	期刊论文
源URL	[http://119.78.100.183/handle/2S10ELR8/282235]
专题	中国科学院上海药物研究所
通讯作者	Xie, Qiyun; Cheng, Guofeng
作者单位	1.Nanjing Tech Univ, Jiangsu Natl Synerget Innovat Ctr Adv Mat, Key Lab Flexible Elect, Nanjing 211816, Jiangsu, Peoples R China 2.Nanjing Tech Univ, Jiangsu Natl Synerget Innovat Ctr Adv Mat, Inst Adv Mat, Nanjing 211816, Jiangsu, Peoples R China 3.Chinese Acad Sci, Shanghai Inst Ceram, Anal & Testing Ctr Inorgan Mat, Shanghai 200050, Peoples R China 4.Nanjing Univ, Sch Elect Sci & Engn, Jiangsu Prov Key Lab Adv Photon & Elect Mat, Nanjing 210093, Jiangsu, Peoples R China 5.Nanjing Univ Posts & Telecommun, Coll Elect & Opt Engn, Key Lab Radio Frequency & Micronano Elect Jiangsu, Nanjing 210023, Jiangsu, Peoples R China
推荐引用方式 GB/T 7714	Lu, Haoyong,Wang, Wei,Liu, Yun,et al. Exfoliation, lattice vibration and air stability characterization of antiferromagnetic van der Waals NiPS3 nanosheets[J]. APPLIED SURFACE SCIENCE,2020,504:6.
APA	Lu, Haoyong.,Wang, Wei.,Liu, Yun.,Chen, Limin.,Xie, Qiyun.,...&He, Liang.(2020).Exfoliation, lattice vibration and air stability characterization of antiferromagnetic van der Waals NiPS3 nanosheets.APPLIED SURFACE SCIENCE,504,6.
MLA	Lu, Haoyong,et al."Exfoliation, lattice vibration and air stability characterization of antiferromagnetic van der Waals NiPS3 nanosheets".APPLIED SURFACE SCIENCE 504(2020):6.