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Anisotropy in crystals plays a pivotal role in many technological applications. For example, anisotropic electronic and thermal transport are thought to be beneficial for thermoelectric applications, while anisotropic mechanical properties…

材料科学 · 物理学 2024-05-14 Yuchen Lou , Alex M. Ganose

2D materials offer a large variety of optical properties, from transparency to plasmonic excitation. They can be structured and combined to form heterostructures that expand the realm of possibility to manipulate light interactions at the…

光学 · 物理学 2023-09-27 Bruno Majérus , Emerick Guillaume , Pascal Kockaert , Luc Henrard

The family of anisotropic two-dimensional (2D) emerging materials is rapidly evolving due to their low crystal symmetry and in-plane structural anisotropy. Among these, 2D tin sulfide (SnS) has gained significant attention because of its…

介观与纳米尺度物理 · 物理学 2025-07-21 Abdus Salam Sarkar

Two-dimensional (2D) materials are among the most promising candidates for beyond-silicon electronic, optoelectronic and quantum computing applications. Recently, their recognized importance sparked a push to discover and characterize novel…

材料科学 · 物理学 2022-10-21 Davide Campi , Nicolas Mounet , Marco Gibertini , Giovanni Pizzi , Nicola Marzari

Cloaking techniques conceal objects by controlling the flow of electromagnetic waves to minimize scattering. Herein, the effectiveness of homogenized anisotropic materials in non-resonant dielectric multilayer cloaking is studied. Because…

光学 · 物理学 2014-01-07 Akihiro Takezawa , Mitsuru Kitamura

Motivated by the recent emergence of a new class of anisotropic 2D materials, we examine their electromagnetic modes and demonstrate that a broad class of the materials can host highly directional hyperbolic plasmons. Their propagation…

介观与纳米尺度物理 · 物理学 2016-02-12 Andrei Nemilentsau , Tony Low , George Hanson

Low-dimensional materials with chain-like (one-dimensional) or layered (twodimensional) structures are of significant interest due to their anisotropic electrical, optical, thermal properties. One material with chain-like structure, BaTiS3…

The new class of Janus two-dimensional (2D) transition-metal dichalcogenides with two different interfaces are currently gaining increasing attention due to their distinct properties different from the typical 2D materials. Here, we show…

The rapidly increasing number of 2-dimensional (2D) materials that have been isolated or synthesized provides an enormous opportunity to realize new device functionalities. Whereas their optical and electrical characterization have been…

应用物理 · 物理学 2019-11-26 Mizanur Rahman , Mohammadreza Shahzadeh , Simone Pisana

Anisotropy, as an exotic degree of freedom, enables us to discover the emergent two-dimensional (2D) layered nanomaterials with low in-plane symmetry and to explore their outstanding properties and promising applications. 2D black arsenic…

材料科学 · 物理学 2023-11-01 Yunfei Yu , Guoshuai Du , Shang Chen , Jingjing Zhang , Yubing Du , Qinglin Xia , Ke Jin , Yabin Chen

In two-dimensional materials, structure difference induces the difference in phonon dispersions, leading to the anisotropy of in-plane thermal transport. Here, we report an exceptional case in layered PdSe2, where the bonding, force…

材料科学 · 物理学 2021-12-30 Bin Wei , Junyan Liu , Qingan Cai , Ahmet Alatas , Ayman H. said , Chen Li , Jiawang Hong

Semi-metallic graphene and semiconducting monolayer transition metal dichalcogenides (TMDCs) are the two-dimensional (2D) materials most intensively studied in recent years. Recently, black phosphorus emerged as a promising new 2D material…

介观与纳米尺度物理 · 物理学 2014-11-07 Xiaomu Wang , Aaron M. Jones , Kyle L. Seyler , Vy Tran , Yichen Jia , Huan Zhao , Han Wang , Li Yang , Xiaodong Xu , Fengnian Xia

The low temperature acoustic and thermal properties of amorphous, glassy materials are remarkably similar. All these properties are described theoretically with reasonable quantitative accuracy by assuming that the amorphous solid contains…

无序系统与神经网络 · 物理学 2009-11-13 Dragoş-Victor Anghel , Dmitry Churochkin

The loading of a granular material induces anisotropies of the particle arrangement (fabric) and of the material's strength, incremental stiffness, and permeability. Thirteen measures of fabric anisotropy are developed, which are arranged…

软凝聚态物质 · 物理学 2018-12-21 Matthew R. Kuhn , WaiChing Sun , Qi Wang

The newly synthesized BeN4 monolayer has introduced a novel group of 2D materials called nitrogen-rich 2D materials. In the present study, the anisotropic mechanical and thermal properties of three members of this group, BeN4, MgN4, and…

材料科学 · 物理学 2024-02-08 K. Ghorbani , P. Mirchi , S. Arabha , Ali Rajabpour , Sebastian Volz

Low-symmetry 2D materials---such as ReS$_2$ and ReSe$_2$ monolayers, black phosphorus monolayers, group-IV monochalcogenide monolayers, borophene, among others---have more complex atomistic structures than the honeycomb lattices of…

介观与纳米尺度物理 · 物理学 2020-10-28 Salvador Barraza-Lopez , Fengnian Xia , Wenjuan Zhu , Han Wang

Anisotropic materials, with orientation-dependent properties, have attracted more and more attention due to their compelling tunable and flexible performance in electronic and optomechanical devices. So far, two-dimensional (2D) black…

材料科学 · 物理学 2020-12-17 Xuefei Liu , Zhaofu Zhang , Zhao Ding , Bing Lv , Zijiang Luo , Jian-Sheng Wang , Zhibin Gao

Two-dimensional (2D) tin(II) sulfide (SnS) crystals belong to a class of orthorhombic semiconducting materials that are lately attracting significant interest, given their remarkable properties, such as in-plane anisotropic optical and…

Anisotropy refers to the property of a material exhibiting directionally dependent features. In this paper, we introduce black phosphorous (BP), the most stable allotrope of phosphorus in layered orthorhombic structure with a bandgap of 0.3…

介观与纳米尺度物理 · 物理学 2014-07-30 Fengnian Xia , Han Wang , Yichen Jia

Materials' microstructure strongly influences its performance and is thus a critical aspect in design of functional materials. Previous efforts on microstructure mediated design mostly assume isotropy, which is not ideal when material…