中文
相关论文

相关论文: Realistic tight-binding model for V2Se2O-family al…

200 篇论文

Two-dimensional (2D) magnetic materials offer unprecedented opportunities for fundamental physics and applied research in spintronics and magnonics. Beyond the pioneering studies on 2D CrI3 and Cr2Ge2Te6, this emerging field has expanded to…

Altermagnets (AMs) are a new class of magnetic materials that combine the beneficial spintronics properties of ferromagnets and antiferromagnets, garnering significant attention recently. Here, we have identified altermagnetism in a layered…

Topological magnetism in low-dimensional systems is of fundamental and practical importance in condensed-matter physics and material science. Here, using first-principles and Monte-Carlo simulations, we present that multiple topological…

材料科学 · 物理学 2023-01-25 Zhonglin He , Kaiying Dou , Wenhui Du , Ying Dai , Baibiao Huang , Yandong Ma

Two dimensional (2D) van der Waals (vdW) magnetic semiconductors are a new class of quantum materials for studying the emergent physics of excitons and spins in the 2D limit. Twist engineering provides a powerful tool to manipulate the…

The recently discovered altermagnets exhibit collinear magnetic order with zero net magnetization but with unconventional spin-polarized d/g/i-wave band structures, expanding the known paradigms of ferromagnets and antiferromagnets. In…

Atomically thin van der Waals magnetic materials have not only provided a fertile playground to explore basic physics in the two-dimensional (2D) limit but also created vast opportunities for novel ultrafast functional devices. Here we…

介观与纳米尺度物理 · 物理学 2024-08-20 F. Michael Bartram , Meng Li , Liangyang Liu , Zhiming Xu , Yongchao Wang , Mengqian Che , Hao Li , Yang Wu , Yong Xu , Jinsong Zhang , Shuo Yang , Luyi Yang

Realizing two-dimensional (2D) altermagnets is important for spintronics applications. Here we propose a microscopic template for stabilizing 2D altermagnetism through Van Hove singularities that are coincident in both energy and momentum.…

强关联电子 · 物理学 2025-05-07 Yue Yu , Han-Gyeol Suh , Mercè Roig , Daniel F. Agterberg

The interplay of magnetism and topology is a key research subject in condensed matter physics and material science, which offers great opportunities to explore emerging new physics, like the quantum anomalous Hall (QAH) effect, axion…

材料科学 · 物理学 2019-06-18 Jiaheng Li , Yang Li , Shiqiao Du , Zun Wang , Bing-Lin Gu , Shou-Cheng Zhang , Ke He , Wenhui Duan , Yong Xu

Metal-to-insulator transitions (MITs), particularly near room temperature, have been extensively studied in nonmagnetic and conventional ferromagnetic and antiferromagnetic systems, yet the co-emergence of MIT and altermagnetism (AM)…

The investigation of 2D van der Waals (vdW) materials is a vibrant, fast moving and still growing interdisciplinary area of research. 2D vdW materials are truly 2D crystals with strong covalent in-plane bonds and weak van der Waals…

介观与纳米尺度物理 · 物理学 2017-04-05 Ursula Wurstbauer , Bastian Miller , Eric Parzinger , Alexander W. Holleitner

2D intercorrelated ferroelectrics, exhibiting a coupled in-plane and out-of-plane ferroelectricity, is a fundamental phenomenon in the field of condensed-mater physics. The current research is based on the paradigm of bi-directional…

材料科学 · 物理学 2020-11-24 Yan Liang , Shiying Shen , Baibiao Haung , Ying Dai , Yandong Ma

FeNbTe$_{2}$, long known as a van der Waals metallic system, has recently been resynthesized and shown to exhibit ferromagnetic order. In this study, using first-principles density functional theory (DFT), we aim to provide a deeper insight…

Two-dimensional (2D) materials, such as graphene, transition metal dichalcogenides (TMDs), and hBN, exhibit intriguing properties that are sensitive to their atomic-scale structures and can be further enriched through van der Waals (vdW)…

Twisted van der Waals heterostructures have latterly received prominent attention for their many remarkable experimental properties, and the promise that they hold for realising elusive states of matter in the laboratory. We propose that…

Twisted bilayers of transition metal dichalcogenide semiconductors have enabled the discovery of superconductivity, ferromagnetism, correlated insulators and a series of new topological phases of matter. However, the connection between…

Van der Waals (vdW) heterostructures combining two-dimensional (2D) ferromagnets and semiconducting transition-metal dichalcogenides (TMDCs) offer highly promising opportunities for tailoring 2D magnetism through interfacial proximity…

Moir\'e transition metal dichalcogenide (TMD) systems provide a tunable platform for studying electron-correlation driven quantum phases. Such phases have so far been found at rational fillings of the moir\'e superlattice, and it is…

Van der Waals heterostructures (vdWHs) allow the assembly of high-crystalline two-dimensional (2D) materials in order to explore dimensionality effects in strongly correlated systems and the emergence of potential new physical scenarios. In…

强关联电子 · 物理学 2021-07-13 Carla Boix-Constant , Samuel Mañas-Valero , Rosa Córdoba , Eugenio Coronado

In nano-device applications using 2D van der Waals materials, a heat dissipation through nano-scale interfaces can be a critical issue for optimizing device performances. By using a time-domain thermoreflectance measurement technique, we…

介观与纳米尺度物理 · 物理学 2018-12-07 Young-Gwan Choi , Do-Gyeom Jeong , H. I. Ju , C. J. Roh , Geonhwa Kim , Bongjin Simon Mun , Tae Yun Kim , Sang-Woo Kim , J. S. Lee

Altermagnets constitute an emerging class of collinear magnets that exhibit zero net magnetization yet host spin-split electronic bands arising from non-relativistic spin-space-group symmetries. Realization of altermagnetism in the…