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相关论文: Piezoelectric ferromagnetism in two dimensional Fe…

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Inspired by the successful synthesis of two-dimensional (2D) V-based Janus dichloride monolayers with intrinsic ferromagnetism and high Curie temperature (T$_{c}$), the electronic structure, spin-valley splitting and magnetic anisotropy of…

材料科学 · 物理学 2022-10-04 Cunquan Li , Yukai An

Two-dimensional (2D) multiferroics attract intensive investigations because of underlying science and their potential applications. Although many 2D systems have been observed/predicted to be ferroelectric or ferromagnetic, 2D materials…

材料科学 · 物理学 2021-03-17 Chang Liu , Bing Wang , Guanwei Jia , Pengyu Liu , Huabing Yin , Shan Guan , Zhenxiang Cheng

We report a comprehensive experimental investigation on the magnetic anisotropy in bulk single crystals of Cr$_2$Ge$_2$Te$_6$, a quasi-two-dimensional ferromagnet belonging to the family of magnetic layered transition metal trichalcogenides…

For two-dimensional (2D) material, piezoelectric ferromagnetism (PFM) with large out-of-plane piezoresponse is highly desirable for multifunctional ultrathin piezoelectric device application. Here, we predict that Janus monolayer CrSCl is…

材料科学 · 物理学 2022-07-12 San-Dong Guo , Xiao-Shu Guo , Yu-Tong Zhu , Yee-Sin Ang

Pursuing two-dimensional (2D) intrinsic ferromagnetism with high Curie temperature and great mechanical flexibility has attracted great interest in flexible spintronics. In the present work, we carried out a density functional theory (DFT)…

材料科学 · 物理学 2019-07-29 Peng Lv , Gang Tang , Chao Yang , Jianming Deng , Yanyu Liu , Xueyun Wang , Xianqiao Wang , Jiawang Hong

Monolayer Fe$_2$C is expected to possess strong electronic correlations, which can significantly contribute to electronic and magnetic properties. In this work we consider electronic and magnetic properties of MXene Fe$_2$C within the…

强关联电子 · 物理学 2024-02-15 E. M. Agapov , I. A. Kruglov , A. A. Katanin

Achieving multiferroic two-dimensional (2D) materials should enable numerous functionalities in nanoscale devices. Until now, however, predicted 2D multiferroics are very few and with coexisting yet only loosely coupled (type-I)…

材料科学 · 物理学 2019-07-11 Jun-Jie Zhang , Linfang Lin , Yang Zhang , Menghao Wu , Boris I. Yakobson , Shuai Dong

We investigate the magnetic properties of Fe Phthalocyanines (FePc) that are experimentally arranged in quasi one-dimensional chains when they are grown in thin films or powders. By means of DFT calculations we reproduce the structural…

强关联电子 · 物理学 2024-04-22 Roman Pico , Alejandro Rebola , Jorge Lasave , Paula Abufager , Ignacio Hamad

Exploring two-dimensional (2D) materials with magnetic ordering is a focus of current research. It remains a challenge to achieve tunable magnetism in a material of one-atom-thickness without introducing extrinsic magnetic atoms or defects.…

材料科学 · 物理学 2017-08-29 Sai Gong , Wenhui Wan , Shan Guan , Bo Tai , Chang Liu , Botao Fu , Shengyuan A. Yang , Yugui Yao

Two-dimensional magnets have received increasing attention since Cr2Ge2Te6 and CrI3 were experimentally exfoliated and measured in 2017. Although layered ferromagnetic metals were demonstrated at room temperature, a layered ferromagnetic…

材料科学 · 物理学 2019-03-19 Cong Wang , Xieyu Zhou , Linwei Zhou , Ninghua Tong , Zhong-Yi Lu , Wei Ji

To understand the magnetism of VSe$_2$, whose monolayer form has recently been reported to be a room temperature ferromagnet, Here, the combined method of conventional density functional theory with dynamical mean-field theory has been…

材料科学 · 物理学 2020-06-19 Taek Jung Kim , Siheon Ryee , Myung Joon Han , Sangkook Choi

Single-layer pentagonal materials are an emerging family of two-dimensional (2D) materials that could exhibit novel properties due to the building blocks being pentagons instead of hexagons as in numerous 2D materials. Based on our recently…

材料科学 · 物理学 2019-03-11 Lei Liu , Houlong L. Zhuang

Two-dimensional (2D) ferromagnets and their heterostructures offer fertile grounds for designing fascinating functionalities in ultra-thin spintronic devices. Here, by first-principles calculations, we report the discovery of energetically…

材料科学 · 物理学 2024-06-19 Xiang-Fan Huang , Kang-Jie Li , Zequan Wang , Shi-Bo Zhao , Bing Shen , Zu-Xin Chen , Yusheng Hou

(Mn,Fe)2(P,Si) single crystals have been successfully grown by flux method. Single crystal diffraction demonstrates that Mn0.83Fe1.17P0.72Si0.28 crystallizes in a hexagonal crystal structure (space group P-62m) at both 100 and 280 K, in the…

材料科学 · 物理学 2015-08-03 H. Yibole , F. Guillou , Y. K. Huang , G. R. Blake , A. J. E. Lefering , N. H. van Dijk , E. Brück

Due to the large perpendicular magnetic anisotropy originating from spin-orbit coupling, magnetoelastic coupling is generally reported in easy-plane magnets with rectangular lattice where the easy magnetization is coupled with the lattice…

材料科学 · 物理学 2024-11-08 Yu Liao , Yueqiao Qu , Zuo Li , Yu Chen , Liang Liu , Jun-Zhong Wang , Gang Yao

We investigate the structural, magnetocrystalline anisotropy, critical behaviour, and magnetocaloric effect in the layered room-temperature monoclinic ferromagnet Cr$_{1.38}$Te$_2$. The critical behavior is studied by employing various…

Single crystals of AlFe$_{2}$B$_{2}$ have been grown using the self flux growth method and then measured the structural properties, temperature and field dependent magnetization, and temperature dependent electrical resistivity at ambient…

Here, we study the magnetism of the distorted 1T-TcX2 (X=S,Se) based on first-principles calculation. The magnetism originates from the hole doping due to the density of states near the valence band edge having van Hove singularity feature.…

材料科学 · 物理学 2019-01-29 Chang-Wei Wu , Dao-Xin Yao

Room temperature two-dimensional (2D) ferromagnetism is highly desired in practical spintronics applications. Recently, 1T phase CrTe2 (1T-CrTe2) nanosheets with five and thicker layers have been successfully synthesized, which all exhibit…

材料科学 · 物理学 2021-06-16 Pengfei Gao , Xingxing Li , Jinlong Yang

A two-dimensional scandium monochloride sheet was investigated by using density functional theory. It could be exfoliated from a known bulk material with a cleavage energy slightly lower than that of graphene. The sheet has a ferromagnetic…

材料科学 · 物理学 2018-12-26 Guo Wang , Xinyu Wang , Yi Liao