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There is currently much interest in materials and structures that provide coupled ferroelectric and ferromagnetic responses, with a long-term goal of developing new memories and spintronic logic elements. Within the field there is a focus…

Searching ferromagnetic semiconductor materials with electrically controllable spin polarization is a long-term challenge for spintronics. Bipolar magnetic semiconductors (BMS), with valence and conduction band edges fully spin-polarized in…

Materials Science · Physics 2021-12-13 Haidi Wang , Qingqing Feng , Xingxing Li , Jinlong Yang

It is highly desirable to combine the full spin polarization of carriers with modern semiconductor technology for spintronic applications. For this purpose, one needs good crystalline ferromagnetic (or ferrimagnetic) semiconductors with…

Materials Science · Physics 2018-03-21 Xiang-Bo Xiao , Bang-Gui Liu

We report CrISe monolayer as a room temperature ferromagnetic semiconductor with the Curie temperature ($T_C$), magnetic anisotropy energy (MAE) and band gap being 322 K, 113 $\mu$eV and 0.67 eV, respectively. The $T_C$ and MAE can be…

Materials Science · Physics 2022-11-30 Zhong Shen , Yufei Xue , Zebin Wu , Changsheng Song

Two-dimensional (2D) ferromagnetic (FM) semiconductors with high Curie temperature have long been pursued for electronic and spintronic applications. Here we provide a general strategy to achieve robust FM state in bilayer CrI3 of the…

Materials Science · Physics 2020-09-23 Nanshu Liu , Si Zhou , Jijun Zhao

By density functional theory calculations, we predict a stable two-dimensional (2D) ferromagnetic semiconductor Cr$_2$Ge$_2$Se$_6$, where the Curie temperature $T$$_c$ can be dramatically enhanced beyond room temperature by applying a few…

Materials Science · Physics 2019-07-17 Xue-Juan Dong , Jing-Yang You , Bo Gu , Gang Su

We propose two-dimensional (2D) Ising-type ferromagnetic semiconductors TcSiTe3, TcGeSe3, and TcGeTe3 with high Curie temperatures around 200-0500 K. Owing to large spin-orbit couplings, the large magnetocrystalline anisotropy energy (MAE),…

Materials Science · Physics 2020-01-07 Jing-Yang You , Zhen Zhang , Xue-Juan Dong , Bo Gu , Gang Su

The emergence of multiferroic materials, which possess both ferromagnetic (FM) and ferroelectric (FE) properties, drive advancements in magnetoelectric applications and the next generation of spintronics. Based on first-principles…

Materials Science · Physics 2024-05-24 Kang-Jie Li , Ze-Quan Wang , Zu-Xin Chen , Yusheng Hou

Two-dimensional materials have been gaining great attention as they displayed a broad series of electronic properties that ranging from superconductivity to topology. Among them, those which possess magnetism are most desirable, enabling us…

Materials Science · Physics 2019-06-14 Fang Zhang , Xing-Qiang Shi , Zi-Kang Tang

Identifying intrinsic low-dimensional ferromagnets with high transition temperature and electrically tunable magnetism is crucial for the development of miniaturized spintronics and magnetoelectrics. Recently long-range 2D ferromagnetism…

Materials Science · Physics 2020-08-27 Hua Wang , Jingshan Qi , Xiaofeng Qian

Exploring two-dimensional (2D) magnetic semiconductors with room temperature magnetic ordering and electrically controllable spin polarization is a highly desirable but challenging task for nanospintronics. Here, through first principles…

Materials Science · Physics 2022-08-16 Xiangyang Li , Haifeng Lv , Xiaofeng Liu , Xiaojun Wu , Xingxing Li , Jinlong Yang

The direct control of carriers spin by electric field under room temperature is one of the most important challenges in the field of spintronics. For this purpose, we here propose a quaternary Heusler alloy FeVTiSi. Based on first…

Materials Science · Physics 2014-11-14 Jiahui Zhang , Xingxing Li , Jinlong Yang

According to the Mermin Wagner theorem, two-dimensional material is difficult to have the Curie temperature above room temperature. By using the method of band engineering, we design a promising two-dimensional ferromagnetic semiconductor…

Materials Science · Physics 2024-01-25 Xiao-Ping Wei , Lan-Lan Du , Jiang-Liu Meng , Xiaoma Tao

To realize ferromagnetic semiconductors with high Curie temperature TC is still a challenge in spintronics. Recent experiments have obtained two-dimensional (2D) room temperature ferromagnetic metals, such as monolayers MnSe2 and Cr3Te6. In…

Materials Science · Physics 2024-11-13 Jia-Wen Li , Gang Su , Bo Gu

Recently, two-dimensional materials and nanoparticles with robust ferromagnetism are even of great interest to explore basic physics in nanoscale spintronics. More importantly, room-temperature magnetic semiconducting materials with high…

Materials Science · Physics 2018-03-23 Xi Chen , Zheng-Zhe Lin

Realizing ferromagnetic semiconductors with room Curie temperature $T\rm_C$ remains a challenge in spintronics. Inspired by the recent experimental progress on the nanotubes based on 2D van der Waals non-magnetic transition-metal…

Materials Science · Physics 2025-01-24 Jia Wen Li , Gang Su , Bo Gu

Bimetal transition iodides in two-dimensional scale provide an interesting idea to combine a set of single-transition-metal ferromagnetic semiconductors together. Motivated by structural engineering on bilayer CrI$_3$ to tune its magnetism…

Materials Science · Physics 2020-12-10 Yulu Ren , Qiaoqiao Li , Wenhui Wan , Yong Liu , Yanfeng Ge

Spin injection using ferromagnetic semiconductors at room temperature is a building block for the realization of spin-functional semiconductor devices. Nevertheless, this has been very challenging due to the lack of reliable…

Materials Science · Physics 2021-06-11 Shobhit Goel , Nguyen Huynh Duy Khang , Le Duc Anh , Pham Nam Hai , Masaaki Tanaka

We report for the first time, that Fe3Se4 is a room temperature, type-II multiferroic with magnetoelectric coupling. We observed the coexistence of coupled ferrimagnetic and ferroelectric ordering in Fe3Se4nanorods well above room…

Strongly Correlated Electrons · Physics 2019-06-13 Mousumi Sen Bishwas , Pankaj Poddar

Two-dimensional (2D) intrinsic half-metallic materials are of great interest to explore the exciting physics and applications of nanoscale spintronic devices, but no such materials have been experimentally realized. Using first-principles…

Materials Science · Physics 2021-10-01 Tengfei Hu , Wenhui Wan , Yanfeng Ge , Yong Liu
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