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FePd2Te2: An Anisotropic Two-Dimensional Ferromagnet with One-Dimensional Fe Chains

文献类型：期刊论文

作者Shi, Bingxian1,2; Geng, Yanyan2; Wang, Hengning3,4; Yang, Jianhui5; Shang, Chenglin1,2; Wang, Manyu2; Mi, Shuo2; Huang, Jiale1,2; Pan, Feihao1,2; Gui, Xuejuan1,2
刊名JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
出版日期2024-07-24
卷号146
ISSN号0002-7863
DOI10.1021/jacs.4c04910
通讯作者Cheng, Zhihai(zhihaicheng@ruc.edu.cn) ; Zheng, Guolin(glzheng@hmfl.ac.cn) ; Cheng, Peng(pcheng@ruc.edu.cn)
英文摘要Two-dimensional (2D) magnets have attracted significant attention in recent years due to their importance in the research on both fundamental physics and spintronic applications. Here, we report the discovery of a new ternary compound FePd2Te2. It features a layered quasi-2D crystal structure with 1D Fe zigzag chains extending along the b-axis in the cleavage plane. Single crystals of FePd2Te2 with centimeter size could be grown. Density functional theory calculations, mechanical exfoliation, and atomic force microscopy on these crystals reveal that they are 2D materials that can be thinned down to similar to 5 nm. Magnetic characterization shows that FePd2Te2 is an easy-plane ferromagnet with T-C similar to 183 K and strong in-plane uniaxial magnetic anisotropy. Magnetoresistance and the anomalous Hall effect demonstrate that ferromagnetism could be maintained in FePd2Te2 flakes with large coercivity. A crystal twinning effect is observed by scanning tunneling microscopy which makes the Fe chains right angle bent in the cleavage plane and creates an intriguing spin texture. Besides, a large electronic specific heat coefficient of up to gamma similar to 32.4 mJ mol(-1) K-2 suggests FePd2Te2 is a strongly correlated metal. Our results show that FePd2Te2 is a correlated anisotropic 2D magnet that may attract multidisciplinary research interests.
WOS关键词WAALS ; SEMICONDUCTOR ; MAGNETISM ; CRYSTAL
资助项目National Natural Science Foundation of China[12074426] ; National Natural Science Foundation of China[12004426] ; National Natural Science Foundation of China[11227906] ; National Key R&D Program of China (MOST)[2023YFA1406500] ; Fundamental Research Funds for the Central Universities ; Renmin University of China[22XNKJ40] ; Renmin University of China[21XNLG27] ; NSAF[U2030106] ; Outstanding Innovative Talents Cultivation Funded Programs of Renmin University of China ; National Key R&D Program of the MOST of China[2022YFA1602603] ; National Natural Science Foundation of China[12274413] ; National Natural Science Foundation of China[U19A2093] ; Collaborative Innovation Program of Hefei Science Center, CAS[2022HSC-CIP017]
WOS研究方向Chemistry
语种英语
WOS记录号WOS:001277886400001
出版者AMER CHEMICAL SOC
资助机构National Natural Science Foundation of China ; National Key R&D Program of China (MOST) ; Fundamental Research Funds for the Central Universities ; Renmin University of China ; NSAF ; Outstanding Innovative Talents Cultivation Funded Programs of Renmin University of China ; National Key R&D Program of the MOST of China ; National Natural Science Foundation of China ; Collaborative Innovation Program of Hefei Science Center, CAS
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/137362]  
专题中国科学院合肥物质科学研究院
通讯作者Cheng, Zhihai; Zheng, Guolin; Cheng, Peng
作者单位1.Renmin Univ China, Dept Phys, Lab Neutron Scattering, Beijing 100872, Peoples R China
2.Renmin Univ China, Key Lab Quantum State Construction & Manipulat, Minist Educ, Dept Phys,Key Lab Quantum State Construction & Man, Beijing 100872, Peoples R China
3.Univ Sci & Technol China, Dept Phys, Hefei 230031, Anhui, Peoples R China
4.Chinese Acad Sci, Anhui Key Lab Low Energy Quantum Mat & Devices, High Magnet Field Lab, HFIPS, Hefei 230031, Anhui, Peoples R China
5.Quzhou Univ, Quzhou, Zhejiang, Peoples R China
6.China Inst Atom Energy, Beijing 102413, Peoples R China
推荐引用方式
GB/T 7714		 Shi, Bingxian,Geng, Yanyan,Wang, Hengning,et al. FePd2Te2: An Anisotropic Two-Dimensional Ferromagnet with One-Dimensional Fe Chains[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2024,146.
APA Shi, Bingxian.,Geng, Yanyan.,Wang, Hengning.,Yang, Jianhui.,Shang, Chenglin.,...&Cheng, Peng.(2024).FePd2Te2: An Anisotropic Two-Dimensional Ferromagnet with One-Dimensional Fe Chains.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,146.
MLA Shi, Bingxian,et al."FePd2Te2: An Anisotropic Two-Dimensional Ferromagnet with One-Dimensional Fe Chains".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 146(2024).

入库方式： OAI收割

来源：合肥物质科学研究院

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