FePd2Te2: An Anisotropic Two-Dimensional Ferromagnet with One-Dimensional Fe Chains
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2024
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| author | Shi, Bingxian Geng, Yanyan Wang, Hengning Yang, Jianhui Shang, Chenglin Wang, Manyu Mi, Shuo Huang, Jiale Pan, Feihao Gui, Xuejuan Wang, Jinchen Liu, Juanjuan Xu, Daye Zhang, Hongxia Qin, Jianfei Wang, Hongliang Hao, Lijie Tian, Mingliang Cheng, Zhihai Zheng, Guolin Cheng, Peng |
| author_facet | Shi, Bingxian Geng, Yanyan Wang, Hengning Yang, Jianhui Shang, Chenglin Wang, Manyu Mi, Shuo Huang, Jiale Pan, Feihao Gui, Xuejuan Wang, Jinchen Liu, Juanjuan Xu, Daye Zhang, Hongxia Qin, Jianfei Wang, Hongliang Hao, Lijie Tian, Mingliang Cheng, Zhihai Zheng, Guolin Cheng, Peng |
| contents | Two-dimensional (2D) magnets have attracted significant attentions 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 one-dimensional 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 materialsthat can be thinned down to 5 nm. Magnetic characterization shows that FePd2Te2 is an easy-plane ferromagnet with Tc 183 K and strong in-plane uniaxial magnetic anisotropy. Magnetoresistance and anomalous Hall effect demonstrate that ferromagnetism could maintain 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. Our results show that FePd2Te2 is a correlated anisotropic 2D magnets that may attract multidisciplinary research interests. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_04800 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | FePd2Te2: An Anisotropic Two-Dimensional Ferromagnet with One-Dimensional Fe Chains Shi, Bingxian Geng, Yanyan Wang, Hengning Yang, Jianhui Shang, Chenglin Wang, Manyu Mi, Shuo Huang, Jiale Pan, Feihao Gui, Xuejuan Wang, Jinchen Liu, Juanjuan Xu, Daye Zhang, Hongxia Qin, Jianfei Wang, Hongliang Hao, Lijie Tian, Mingliang Cheng, Zhihai Zheng, Guolin Cheng, Peng Materials Science Mesoscale and Nanoscale Physics Strongly Correlated Electrons Superconductivity Two-dimensional (2D) magnets have attracted significant attentions 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 one-dimensional 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 materialsthat can be thinned down to 5 nm. Magnetic characterization shows that FePd2Te2 is an easy-plane ferromagnet with Tc 183 K and strong in-plane uniaxial magnetic anisotropy. Magnetoresistance and anomalous Hall effect demonstrate that ferromagnetism could maintain 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. Our results show that FePd2Te2 is a correlated anisotropic 2D magnets that may attract multidisciplinary research interests. |
| title | FePd2Te2: An Anisotropic Two-Dimensional Ferromagnet with One-Dimensional Fe Chains |
| topic | Materials Science Mesoscale and Nanoscale Physics Strongly Correlated Electrons Superconductivity |
| url | https://arxiv.org/abs/2409.04800 |