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相关论文: Multiferroic Metallic Monolayer Cu(CrSe2)2

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The Fe$_5$PB$_2$ compound offers tunable magnetic properties via the possibility of various combinations of substitutions on the Fe and P-sites. Here, we present a combined computational and experimental study of the magnetic properties of…

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

The latest discovery of ferromagnetism in atomically thin films of semiconductors Cr$_2$Ge$_2$Te$_6$ and CrI$_3$ has unleashed numerous opportunities for fundamental physics of magnetism in two-dimensional (2D) limit and also for…

介观与纳米尺度物理 · 物理学 2019-05-09 Vijay Kumar Gudelli , Guang-Yu Guo

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

Nowdays, multiferroic materials with magnetoelectric coupling have many real-world applications in the fields of novel memory devices. It is challenging is to create multiferroic materials with strongly coupled ferroelectric and…

材料科学 · 物理学 2018-05-29 Deobrat Singh , Sanjeev K. Gupta , Haiying He , Yogesh Sonvane

In this work we present a comprehensive investigation on magnetic and thermodynamic properties of the two-dimensional layered honeycomb system Cr$_2$Ge$_2$Te$_6$. Using magnetization and specific heat measurements under magnetic field…

强关联电子 · 物理学 2020-01-29 Sebastian Selter , Gaël Bastien , Anja U. B. Wolter , Saicharan Aswartham , Bernd Büchner

Low-dimensional ferroelectricity has attracted tremendous attention due to its huge potential in device applications. Here, based on first-principles calculations, we predict the existence of spontaneous in-plane electrical polarization and…

材料科学 · 物理学 2018-04-12 Shan Guan , Chang Liu , Yunhao Lu , Yugui Yao , Shengyuan A. Yang

It is of great interest to explore intrinsic two-dimensional ferromagnetism and seek better two-dimensional quantum anomalous Hall insulator materials. Here, we show that the FeBr$_3$ monolayer is an intrinsic two-dimensional ferromagnetic…

介观与纳米尺度物理 · 物理学 2017-07-10 Shi-Hao Zhang , Bang-Gui Liu

Magnetism of Cu$_2$(OH)$_3$Br single crystals based on a triangular lattice is studied by means of magnetic susceptibility, pulsed-field magnetization, and specific heat measurements. There are two inequivalent Cu$^{2+}$ sites in an…

强关联电子 · 物理学 2019-09-04 Z Y Zhao , H L Che , R Chen , J F Wang , X F Sun , Z Z He

We investigate magnetoelectric coupling and low-energy magnetic excitations in multiferroic $\alpha$-Cu$_2$V$_2$O$_7$ by detailed thermal expansion, magnetostriction, specific heat and magnetization measurements in magnetic fields up to…

强关联电子 · 物理学 2018-06-26 L. Wang , J. Werner , A. Ottmann , R. Weis , M. Abdel-Hafiez , J. Sannigrahi , S. Majumdar , C. Koo , R. Klingeler

We investigate the magnetocrystalline anisotropy, critical behavior, and magnetocaloric effect in ferromagnetic-layered Cr$_2$Te$_3$. We have studied the critical behavior around the Curie temperature ($T_C$) using various techniques,…

材料科学 · 物理学 2024-07-26 Shubham Purwar , Tushar Kanti Bhowmik , Soumya Ghorai , Setti Thirupathaiah

We report on a strong perpendicular magnetic anisotropy in [CoFe 0.4nm/Pd t]6 (t = 1.0-2.0 nm) multilayers fabricated by DC sputtering in a ultrahigh vacuum chamber. Saturation magnetization, $M_s$, and uniaxial anisotropy, $K_u$, of the…

介观与纳米尺度物理 · 物理学 2013-09-23 Duc-The Ngo , Z. L. Meng , T. Tahmasebi , X. Yu , E. Thoeng , L. H. Yeo , A. Rusydi , G. C. Han , K. -L. Teo

Recent experimental realizations of the topological semimetal states in several monolayer systems are very attractive because of their exotic quantum phenomena and technological applications. Based on first-principles density-functional…

材料科学 · 物理学 2020-04-15 Liangliang Liu , Chongze Wang , Jiangxu Li , Xing-Qiu Chen , Yu Jia , Jun-Hyung Cho

Multiferroic materials are potential to be applied in novel magnetoelectric devices, for example, high-density non-volatile storage. Last decades, research on multiferroic materials was focused on three-dimensional (3D) materials. However,…

材料科学 · 物理学 2019-02-25 Youfang Lai , Zhigang Song , Yi Wan , Mingzhu Xue , Yu Ye , Lun Dai , Wenyun Yang , Honglin Du , jinbo Yang

We investigate magnetic properties of CrTe$_2$ within the density functional theory (DFT) approach in ferromagnetic phase and combination of DFT and dynamical mean field theory (DFT+DMFT) approach in paramagnetic phase. We show that few…

强关联电子 · 物理学 2026-03-03 A. A. Katanin , E. M. Agapov

Controllable magnetization in atomically thin two-dimensional magnets is highly desirable for developing spintronics. For FeSe monolayer, its magnetic ground state is not yet fully understood, and the potential in constructing high-speed…

材料科学 · 物理学 2024-11-08 Yueqiao Qu , Yu Liao , Zhixiang Wang , Liang Liu , Gang Yao

Two-dimensional (2D) multiferroics exhibit cross-control capacity between magnetic and electric responses in reduced spatial domain, making them well suited for next-generation nanoscale devices; however, progress has been slow in…

材料科学 · 物理学 2020-05-15 Jing Shang , Chun Li , Aijun Du , Ting Liao , Yuantong Gu , Yandong Ma , Liangzhi Kou , Changfeng Chen

BaMF4 (M=Fe, Co, Ni and Mn) family are typical multiferroic materials, having antiferromagnetism at around liquid nitrogen temperature. In this work, polycrystalline BaFeF4 has been prepared by solid state reaction. The slight deficiency of…

Perpendicularly magnetized spin injector with high Curie temperature is a prerequisite for developing spin optoelectronic devices on 2D materials working at room temperature (RT) with zero applied magnetic field. Here, we report the growth…

A reduced dimensionality of multiferroic materials is highly desired for device miniaturization, but the coexistence of ferroelectricity and magnetism at the two-dimensional limit is yet to be conclusively demonstrated. Here, we used a…