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相关论文: Phosphorene as a nanoelectromechanical material

200 篇论文

We investigate charge transport in pentacene-graphene nanojunctions employing density functional theory (DFT) electronic structure calculations and the Landauer transport formalism. The results show that the unique electronic properties of…

介观与纳米尺度物理 · 物理学 2013-02-26 Ivan A. Pshenichnyuk , Pedro B. Coto , Susanne Leitherer , Michael Thoss

Phosphorene has been attracted intense interest due to its unexpected high carrier mobility and distinguished anisotropic optoelectronic and electronic properties. In this work, we unraveled strain engineered phosphorene as a photocatalyst…

材料科学 · 物理学 2014-11-25 Baisheng Sa , Yan-Ling Li , Jingshan Qi , Rajeev Ahuja , Zhimei Sun

Using the tight-binding (TB) approximation with inclusion of the spin-orbit interaction, we predict a topological phase transition in the electronic band structure of phosphorene in the presence of axial strains. We derive a low-energy TB…

介观与纳米尺度物理 · 物理学 2016-08-19 E. Taghizadeh Sisakht , F. Fazileh , M. H. Zare , M. Zarenia , F. M. Peeters

Experimental realization of two-dimensional boron sheets was reported very recently by Feng et. al. using molecular beam epitaxy on silver (111) surface. These boron sheets possess promising electronic and transport properties. We performed…

介观与纳米尺度物理 · 物理学 2018-10-17 Vivekanand Shukla , Anton Grigoriev , Naresh K. Jena , Rajeev Ahuja

Phosphorene, the single layer counterpart of black phosphorus, is a novel two-dimensional semiconductor with high carrier mobility and a large fundamental direct band gap, which has attracted tremendous interest recently. Its potential…

材料科学 · 物理学 2015-02-06 Guangzhao Qin , Qing-Bo Yan , Zhenzhen Qin , Sheng-Ying Yue , Ming Hu , Gang Su

Vertical integration of two-dimensional materials has recently emerged as an exciting method for the design of novel electronic and optoelectronic devices. Using density functional theory, we investigatethe structural and electronic…

材料科学 · 物理学 2015-06-25 Yongqing Cai , Gang Zhang , Yong-Wei Zhang

Carrier mobility is a crucial character for electronic devices since it domains power dissipation and switching speed. Materials with certain high carrier mobility, equally, unveil rich unusual physical phenomena elusive in their…

材料科学 · 物理学 2017-04-10 Jiafeng Xie , Z. Y. Zhang , D. Z. Yang , M. S. Si , D. S. Xue , Xiaohui Deng

By combining density functional theory and nonequilibrium Green's function, we study the electronic and transport properties of monolayer black phosphorus nanoribbons (PNRs). First, we investigate the band-gap of PNRs and its modulation by…

介观与纳米尺度物理 · 物理学 2016-11-25 Qingyun Wu , Lei Shen , Ming Yang , Zhigao Huang , Yuan Ping Feng

Artificial monolayer black phosphorus, the so-called phosphorene has attracted global interest with its distinguished anisotropic optoelectronic and electronic properties. Here, we unraveled the shear-induced direct to indirect gap…

材料科学 · 物理学 2015-05-14 Baisheng Sa , Yan-Ling Li , Zhimei Sun , Jingshan Qi , Cuilian Wen , Bo Wu

We report a first-principles study on the elastic, vibrational, and electronic properties of recently synthesized phosphorene. By calculating Gr\"uneisen parameters, we evaluate the frequency shift of Raman/infrared active modes via…

介观与纳米尺度物理 · 物理学 2015-03-26 Mohammad Elahi , Kaveh Khaliji , Seyed Mohammad Tabatabaei , Mahdi Pourfath , Reza Asgari

Monolayer graphene exhibits exceptional electronic and mechanical properties, making it a very promising material for nanoelectromechanical (NEMS) devices. Here, we conclusively demonstrate the piezoresistive effect in graphene in a…

介观与纳米尺度物理 · 物理学 2013-07-12 A. D. Smith , F. Niklaus , A. Paussa , S. Vaziri , A. C. Fischer , M. Sterner , F. Forsberg , A. Delin , D. Esseni , P. Palestri , M. Östling , M. C. Lemme

Spectral and transport properties of electrons in confined phosphorene systems are investigated in a five hopping parameter tight-binding model, using analytical and numerical techniques. The main emphasis is on the properties of the…

介观与纳米尺度物理 · 物理学 2016-03-23 B. Ostahie , A. Aldea

The capacity and stability of constituent electrodes determine the performance of Li-ion batteries. In this study, density functional theory is employed to explore the potential application of recently synthesized two dimensional…

介观与纳米尺度物理 · 物理学 2014-09-24 Shijun Zhao , Wei Kang

We theoretically investigate the thermoelectric properties of zigzag graphene nanoribbons in the presence of extended line defects, substrate impurities and edge roughness along the nanoribbon's length. A nearest-neighbor tight-binding…

材料科学 · 物理学 2012-03-12 Hossein Karamitaheri , Neophytos Neophytou , Mahdi Pourfath , Rahim Faez , Hans Kosina

We have revealed the decisive role of grain-boundary-induced strain fields in electron scattering in polycrystalline graphene. To this end, we have formulated the model based on Boltzmann transport theory which properly takes into account…

材料科学 · 物理学 2022-05-24 S. E. Krasavin , V. A. Osipov

We report, based on its variation in electronic transport to coupled tension and shear deformation, a highly sensitive graphene-based strain sensor consisting of an armchair graphene nanoribbon (AGNR) between metallic contacts. As the…

介观与纳米尺度物理 · 物理学 2015-08-28 Zenan Qi , Jian Zhang , Guiping Zhang , Harold S. Park

The prospects of phosphorene as an anode material for high performance Li-ion battery was systematically investigated from the first principle calculations and experimental measurements. The diffusion energy barriers of a Li atom moving…

A few-layer black phosphorene has recently gained significant interest in the scientific community. In this paper, we consider several polymorphs of phosphorene nanoribbons (PNRs) and employ deformation potential theory within the effective…

材料科学 · 物理学 2018-02-08 Sumandeep Kaur , Ashok Kumar , Sunita Srivastava , Ravindra Pandey , K. Tankeshwar

Preceding the current interest in layered materials for electronic applications, research in the 1960's found that black phosphorus combines high carrier mobility with a fundamental band gap. We introduce its counterpart, dubbed few-layer…

介观与纳米尺度物理 · 物理学 2014-04-25 Han Liu , Adam T. Neal , Zhen Zhu , David Tomanek , Peide D. Ye

With the increasing applications of Phosphorene in nano/optoelectronics and thermoelectrics, a comprehensive study on its thermal transport properties is necessary. It has been concluded from previous studies that there exist vast…

材料科学 · 物理学 2021-08-31 Fa Zhang , Xiong Zheng , Huimin Wang , Liang Ding , Guangzhao Qin