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In recent years, two-dimensional boron sheets (borophene) have been experimentally synthesized and theoretically observed as promising conductor or transistor with novel thermal and electronic properties. We first give a general survey of…

材料科学 · 物理学 2018-03-16 Dengfeng Li , Ying Chen , Jia He , Qiqi Tang , Chengyong Zhong , Guangqian Ding

Borophene (two-dimensional boron sheet) is a new type of two-dimensional material, which was recently grown successfully on single crystal Ag substrates. In this paper, we investigate the electronic structure and bonding characteristics of…

介观与纳米尺度物理 · 物理学 2016-06-23 Bo Peng , Hao Zhang , Hezhu Shao , Yuanfeng Xu , Rongjun Zhang , Heyuan Zhu

Tuning two dimensional nanomaterial's structural and electronic properties has facilitated the new research paradigm in electronic device applications. In this work, the first principles density functional theory based methods are used to…

材料科学 · 物理学 2021-04-30 Rameshwar L. Kumawat , Biswarup Pathak

We study the electronic transport properties of two-dimensional (2D) fully-hydrogenated borophene (namely, borophane), using the density functional theory and non-equilibrium Green's function approaches. Borophane shows a perfect electrical…

材料科学 · 物理学 2018-10-17 Yipeng An , Jutao Jiao , Yusheng Hou , Hui Wang , Dapeng Wu , Tianxing Wang , Zhaoming Fu , Guoliang Xu , Ruqian Wu

We theoretically study the influence of impurity scattering on the electric and thermal transport of borophane layer, a two-dimensional anisotropic Dirac semi-metal with two tilted and anisotropic Dirac cones. In a systematic framework, we…

介观与纳米尺度物理 · 物理学 2019-06-19 Moslem Zare

We performed a theoretical investigation of the structural and electronic properties of (i) pristine, and (ii) superlattice structures of borophene. In (i), by combining first-principles calculations, based on the density functional theory…

材料科学 · 物理学 2019-11-27 G. H. Silvestre , R. H. Miwa , Wanderlã L. Scopel

Two-dimensional boron (borophene) is featured by its structural polymorphs and distinct in-plane anisotropy, opening opportunities to achieve tailored electronic properties by intermixing different phases. Here, using scanning tunneling…

材料科学 · 物理学 2019-04-23 Longjuan Kong , Liren Liu , Lan Chen , Qing Zhong , Peng Cheng , Hui Li , Zhuhua Zhang , Kehui Wu

Recent success in synthesizing two-dimensional borophene on silver substrate attracts strong interest in exploring its possible extraordinary physical properties. By using the density functional theory calculations, we show that borophene…

材料科学 · 物理学 2016-02-18 Zhenqian Pang , Xin Qian , Ronggui Yang , Yujie Wei

Two-dimensional (2D) structures of boron atoms so called borophene, have recently attracted remarkable attention. In a latest exciting experimental study, a hydrogenated borophene structure was realized. Motivated by this success, we…

Two-dimensional boron sheets (borophenes) have been successfully synthesized in experiments and are expected to exhibit intriguing transport properties such as the emergence of superconductivity and Dirac Fermions. However, quantitative…

计算物理 · 物理学 2020-07-28 Jin Zhang , Jia Zhang , Cai Cheng , Jian Liu , Johannes Lischner , Feliciano Giustino , Sheng Meng

Since two-dimensional boron sheet (borophene) synthesized on Ag substrates in 2015, research on borophene has grown fast in the fields of condensed matter physics, chemistry, material science, and nanotechnology. Due to the unique physical…

材料科学 · 物理学 2019-04-03 Zhi-Qiang Wang , Tie-Yu Lü , Hui-Qiong Wang , Yuan Ping Feng , Jin-Cheng Zheng

Motivated by recent experimental and theoretical research on a monolayer of Boron atoms, Borophene, current-voltage characteristics of three different Borophene sheets, 2Pmmn, 8Pmmn and 8Pmmm, are calculated using density functional theory…

化学物理 · 物理学 2017-10-11 Sahar Izadi Vishkayi , Meysam Bagheri Tagani

Borophene, an atomically thin, corrugated, crystalline two-dimensional boron sheet, has been recently synthesized. We investigate mechanical properties and lattice thermal conductivity of borophene via reactive molecular dynamics…

材料科学 · 物理学 2017-07-05 Bohayra Mortazavi , Minh-Quy Le , Timon Rabczuk , Luiz Felipe C. Pereira

Hexagonal boron nitride (BN), one of the very few layered insulators, plays a crucial role in 2D materials research. In particular, BN grown with a high pressure technique has proven to be an excellent substrate material for graphene and…

介观与纳米尺度物理 · 物理学 2020-06-19 J. Sonntag , J. Li , A. Plaud , A. Loiseau , J. Barjon , J. H. Edgar , C. Stampfer

By way of the nonequilibrium Green's function simulations and first principles calculations, we report that borophene, a single layer of boron atoms that was fabricated recently, possesses an extraordinarily high lattice thermal conductance…

材料科学 · 物理学 2017-05-31 Hangbo Zhou , Yongqing Cai , Gang Zhang , Yong-Wei Zhang

Inspired by the successful synthesis of several allotropes, boron sheets have been one of the hottest spot areas of focus in various fields. Here, we study phonon transport in three types of boron nanoribbons with zigzag and armchair edges…

材料科学 · 物理学 2016-10-12 Zhongwei Zhang , Yuee Xie , Qing Peng , Yuanping Chen

Borophene is a two-dimensional material made out of boron atoms only. It exhibits polymorphism and different allotropes can be studied in terms of a rigid electronic structure, where only the occupation of the states change with the respect…

材料科学 · 物理学 2025-09-24 Alam Osorio , Lucia Reining , Francesco Sottile

Newly fabricated monolayer phosphorene and its few-layer structures are expected to be promising for electronic and optical applications because of their finite direct band gaps and sizable but anisotropic electronic mobility. By…

介观与纳米尺度物理 · 物理学 2014-06-02 Ruixiang Fei , Li Yang

We study the electronic transport properties of dual-gated bilayer graphene devices. We focus on the regime of low temperatures and high electric displacement fields, where we observe a clear exponential dependence of the resistance as a…

介观与纳米尺度物理 · 物理学 2010-10-12 Thiti Taychatanapat , Pablo Jarillo-Herrero

Recently synthesized two-dimensional (2D) boron, borophene, exhibits a novel metallic behavior rooted in the s-p orbital hybridization, distinctively different from other 2D materials such as sulfides/selenides and semi-metallic graphene.…

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