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Investigation of spin-phonon coupling in triangular-lattice antiferromagnet AgCrS2 by infrared transmission spectroscopy

文献类型：期刊论文

作者Gao, Wenshuai1,2; Zou, Youming1; Zhang, Shile1; Shi, Liran3; Xia, Zhengcai3; Ouyang, Zhongwen3; Liu, Bingjie1,2; Zhang, Lei1; Li, Renwen4; Pi, Li1,2
刊名JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
出版日期2016-04-15
卷号404期号:无页码:175-178
关键词Triangluar Lattice Antiferromagnet Spin-phonon Coupling Infrared Transmission Spectroscopy
DOI10.1016/j.jmmm.2015.12.039
文献子类Article
英文摘要In this work, we have investigated the spin-phonon coupling in the triangular-lattice antiferromagnet AgCrS2 by means of infrared transmission spectroscopy. At 300 K, four IR active phonon modes having the typical profile expected for an insulating material have been observed. These phonon modes are found to continuously harden upon cooling due to the slight shrinkage of the lattice. The splitting of a phonon mode and the occurrence of two new phonon modes are observed at T-N, providing evidences for strong spin-phonon coupling. It is noted that phonon eigenfrequencies show significant deviations from the anharmonic contribution at temperatures much higher than T-N, which is clearly determined by the strong spin fluctuations. Our results suggest that spin-phonon coupling has strong influence even in PM state in this material. (C) 2015 Elsevier B.V. All rights reserved.
WOS关键词SUPERIONIC CONDUCTOR AGCRS2 ; REFINEMENT ; SPECTRA ; IONS
WOS研究方向Materials Science ; Physics
语种英语
WOS记录号WOS:000367482500024
资助机构National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; National Natural Science Foundation of China(11174291 ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; Natural Science Foundation of the Anhui Higher Education Institutions of China(KJ2014ZD29) ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/22232]  
专题合肥物质科学研究院_中科院强磁场科学中心
作者单位1.Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Peoples R China
3.Huazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China
4.Hefei Normal Univ, Sch Elect & Informat Engn, Hefei 230061, Peoples R China
推荐引用方式
GB/T 7714		 Gao, Wenshuai,Zou, Youming,Zhang, Shile,et al. Investigation of spin-phonon coupling in triangular-lattice antiferromagnet AgCrS2 by infrared transmission spectroscopy[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2016,404(无):175-178.
APA Gao, Wenshuai.,Zou, Youming.,Zhang, Shile.,Shi, Liran.,Xia, Zhengcai.,...&Zhang, Yuheng.(2016).Investigation of spin-phonon coupling in triangular-lattice antiferromagnet AgCrS2 by infrared transmission spectroscopy.JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,404(无),175-178.
MLA Gao, Wenshuai,et al."Investigation of spin-phonon coupling in triangular-lattice antiferromagnet AgCrS2 by infrared transmission spectroscopy".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 404.无(2016):175-178.

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