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Magnetic anisotropy is crucially important for the stabilization of two-dimensional (2D) magnetism, which is rare in nature but highly desirable in spintronics and for advancing fundamental knowledge. Recent works on CrI$_3$ and CrGeTe$_3$…

材料科学 · 物理学 2018-11-14 Changsong Xu , Junsheng Feng , Hongjun Xiang , L. Bellaiche

Two-dimensional (2D) ferromagnetic materials with high Curie temperature ($T_{\rm c}$) and large magnetic anisotropy energy (MAE) are critical for nanoscale spintronics but remain rare. We propose, via first-principles calculations, that…

材料科学 · 物理学 2026-04-07 Yiran Peng , Yanfeng Ge , Yong Liu , Wenhui Wan

CrxSe (x\le1) is a class of quasi-layered binary compounds with potential applications in spintronics due to its intriguing antiferromagnetic properties. In this work, CrxSe single crystals with high Cr content (x=0.87, 0.91 and 0.95) were…

材料科学 · 物理学 2023-12-01 Yuqing Bai , Shuang Pan , Ziqian Lu , Yuanyuan Gong , Guizhou Xu , Feng Xu

Electronic structure calculations are used to examine the magnetic properties of Fe$_2$P-based alloys and the mechanisms through which the Curie temperature and magnetocrystalline anisotropy can be optimized for specific applications. It is…

材料科学 · 物理学 2017-10-18 I. A. Zhuravlev , V. P. Antropov , A. Vishina , M. van Schilfgaarde , K. D. Belashchenko

In recent years, intrinsic two-dimensional (2D) magnetism aroused great interest because of its potential application in spintronic devices. However, low Curie temperature (\emph{T}$_c$) and magnetic anisotropy energy (MAE) limit its…

材料科学 · 物理学 2021-10-01 Tengfei Hu , Wenhui Wan , Yingmei Li , Yanfeng Ge , Yong Liu

Highly anisotropic properties of CeIr$_3$Si$_2$ have been observed by the magnetization $M$($B$), electrical resistivity $\rho$, and specific heat measurements on a single-crystalline sample. This compound with an orthorhombic structure…

强关联电子 · 物理学 2009-11-13 K. Shigetoh , A. Ishida , Y. Ayabe , T. Onimaru , K. Umeo , Y. Muro , K. Motoya , M. Sera , T. Takabatake

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…

材料科学 · 物理学 2024-11-13 Jia-Wen Li , Gang Su , Bo Gu

Extremely large magnetoresistance (XMR) was recently discovered in WTe$_2$, triggering extensive research on this material regarding the XMR origin. Since WTe$_2$ is a layered compound with metal layers sandwiched between adjacent…

材料科学 · 物理学 2015-07-23 L. R. Thoutam , Y. L. Wang , Z. L. Xiao , S. Das , A. Luican-Mayer , R. Divan , G. W. Crabtree , W. K. Kwok

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

Cr2Ge2Te6 is a van der Waals ferromagnet with a Curie temperature at 66 K. Here we report a swift change in the magnetic ground state upon application of small DC electric current, a giant yet anisotropic magnetoelectric effect, and a…

We investigated the anisotropy of the magnetic and magnetocaloric properties of singlecrystalline double perovskite Tb2CoMnO6, which crystallizes in a monoclinic P21/n structure. Due to dissimilar magnetic anisotropy, the ferromagnetic…

强关联电子 · 物理学 2018-12-17 J. Y. Moon , M. K. Kim , D. G. Oh , J. H. Kim , H. J. Shin , Y. J. Choi , N. Lee

Two-dimensional (2D) magnetic materials are of current great interest for their promising applications in spintronics. Strong magnetic coupling and anisotropy are both highly desirable for the achievement of a high temperature magnetic…

材料科学 · 物理学 2024-01-30 Ke Yang , Yaozhenghang Ma , Lu Liu , Yueyue Ning , Di Lu , Yuxuan Zhou , Zhongyao Li , Hua Wu

Layered van der Waals ferromagnets are promising candidates for designing new spintronic devices. Here we investigated the critical properties and magnetocaloric effect connected with ferromagnetic transition in layered van der Waals VI$_3$…

材料科学 · 物理学 2020-01-15 Yu Liu , Milinda Abeykoon , C. Petrovic

The ternary intermetallic compound Gd$_2$Cu$_2$In crystallizes in Mo$_2$Fe$_2$B type structure with the space group $P4/mbm$ and we study critical behaviour and magnetocaloric effect near the ferromagnetic transition ($T_C$ $\approx$ 94 K)…

A study of the anisotropy in magnetic, transport and magnetotransport properties of FeSb2 has been made on large single crystals grown from Sb flux. Magnetic susceptibility of FeSb2 shows diamagnetic to paramagnetic crossover around 100K.…

强关联电子 · 物理学 2009-11-07 C. Petrovic , J. W. Kim , S. L. Bud'ko , A. I. Goldman , P. C. Canfield , W. Choe , G. J. Miller

The recent observation of ferromagnetic order in two-dimensional (2D) materials has initiated a booming interest in the subject of 2D magnetism. In contrast to bulk materials, 2D materials can only exhibit magnetic order in the presence of…

材料科学 · 物理学 2020-02-18 Daniele Torelli , Kristian S. Thygesen , Thomas Olsen

The Mn2Ge2Te6 shows intrinsic ferromagnetic (FM) order, with Curie temperature (Tc) of 316 K. The FM order origins from superexchange interaction between Mn and Te atoms. Mn2Ge2Te6 is half-metal (HM), and spin-\b{eta} electron is a…

化学物理 · 物理学 2022-05-04 Ziyuan An , Ya Su , Shuang Ni , Zhaoyong Guan

Anisotropic magnetic and electronic transport measurements were carried out on large single crystals of Fe1-xCoxSb2 (0<= x <=1). The semiconducting state of FeSb2 evolves into metallic and weakly ferromagnetic by substitution of Fe with Co…

强关联电子 · 物理学 2009-11-13 Rongwei Hu , V. F. Mitrovic , C. Petrovic

We present a comprehensive investigation into the physical properties of intermetallic ErPd$_2$Si$_2$, a compound renowned for its intriguing magnetic and electronic characteristics. We confirm the tetragonal crystal structure of…

Anisotropic magnetoresistance (AMR) of Cr2Ge2Te6 (CGT), a layered ferromagnetic insulator, is investigated under an applied hydrostatic pressure up to 2 GPa. The easy axis direction of the magnetization is inferred from the AMR saturation…