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In recent years, single element two-dimensional atom crystal materials have aroused extensive interest in many applications. Blue phosphorus, successfully synthesized on Au substrate by molecular beam epitaxy not long ago, shows unusual…

Materials Science · Physics 2018-10-16 Yipeng An , Songqiang Sun , Mengjun Zhang , Jutao Jiao , Dapeng Wu , Tianxing Wang , Kun Wang

Two-dimensional (2D) materials are a new class of materials with interesting physical properties and applications ranging from nanoelectronics to sensing and photonics. In addition to graphene, the most studied 2D material, monolayers of…

Materials Science · Physics 2022-04-12 Lianhua Zhang , Jian Chen , Fei Liu , Zhengyang Du , Yilun Jiang , Min Han

The bias-dependent transport properties of short poly(G)-poly(C) A-DNA strands attached to Au electrodes are investigated with first principles electronic transport methods. By using the non- equilibrium Green's function approach combined…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 C. D. Pemmaraju , I. Rungger , X. Chen , A. R. Rocha , S. Sanvito

The tunneling of electrons and holes in quantum structures plays a crucial role in studying the transport properties of materials and the related devices. 8-Pmmn borophene is a new two-dimensional Dirac material, which hosts tilted Dirac…

Mesoscale and Nanoscale Physics · Physics 2021-08-05 Zhan Kong , Jian Li , Yi Zhang , Shu-Hui Zhang , Jia-Ji Zhu

Several studies have so far investigated transport properties of strongly correlated systems. Interesting features of these materials are the lack of resistivity saturation well beyond the Mott-Ioffe-Regel limit and the scaling of the…

Strongly Correlated Electrons · Physics 2009-11-11 F. Rizzo , E. Cappelluti , L. Pietronero

The electrical conductivity of a macroscopic assembly of nanomaterials is determined through a complex interplay of electronic transport within and between constituent nano-objects. Phonons play dual roles in this situation: their increased…

Mesoscale and Nanoscale Physics · Physics 2023-05-10 Davoud Adinehloo , Weilu Gao , Ali Mojibpour , Junichiro Kono , Vasili Perebeinos

Very recently, two-dimensional(2D) boron sheets (borophene) with rectangular structure has been grown successfully on single crystal Ag(111) substrates.The fabricated boroprene is predicted to have unusual mechanical properties. We…

Mesoscale and Nanoscale Physics · Physics 2016-08-10 Haifeng Wang , Qingfang Li , Yan Gao , F. Miao , Xiang-Feng Zhou , X. G. Wan

Two-dimensional (2D) semiconductors are likely to dominate next-generation electronics due to their advantages in compactness and low power consumption. However, challenges such as high contact resistance and inefficient doping hinder their…

Materials Science · Physics 2024-10-11 Raagya Arora , Ariel R. Barr , Daniel T. Larson , Michele Pizzochero , Efthimios Kaxiras

We investigate the transport properties of pristine zigzag-edged borophene nanoribbons (ZBNRs) of different widths, using the fist-principles calculations. We choose ZBNRs with widths of 5 and 6 as odd and even widths. The differences of…

Materials Science · Physics 2018-03-14 Jiayi Liu , Changpeng Chen , Lu Han , Ziqing Zhu , Jinping Wu

Two-dimensional ultrawide bandgap materials, with bandgaps significantly wider than 3.4 eV, have compelling potential advantages in nano high-power semiconductor, deep-ultraviolet optoelectronics, and so on. Recently, two-dimensional…

Materials Science · Physics 2020-10-28 Yanfeng Ge , Wenhui Wan , Yulu Ren , Fei Li , Yong Liu

Electrical current can be completely spin polarized in a class of materials known as half-metals, as a result of the coexistence of metallic nature for electrons with one spin orientation and insulating for electrons with the other. Such…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Young-Woo Son , Marvin L. Cohen , Steven G. Louie

Nanopores are both a tool to study single-molecule biophysics and nanoscale ion transport, but also a promising material for desalination or osmotic power generation. Understanding the physics underlying ion transport through nano-sized…

Soft Condensed Matter · Physics 2021-04-02 Sanjin Marion , Michal Macha , Sebastian J. Davis , Andrey Chernev , Aleksandra Radenovic

Low-cost graphene sponge electrodes were functionalized with two-dimensional (2D) materials, i.e., borophene and hexagonal boron nitride (hBN), using a one-step, hydrothermal self-assembly method. Borophene and hBN-modified graphene sponge…

Materials Science · Physics 2022-06-10 Elisabeth Cuervo Lumbaque , Luis Baptista-Piresa , Jelena Radjenovic

Electronic transport in the regime where carrier-carrier collisions are the dominant scattering mechanism has taken on new relevance with the advent of ultraclean two-dimensional materials. Here we present a combined theoretical and…

Based on first-principles calculations we performed a systematic study of the energetic stability, structural characterization, and electronic properties of the fully oxidized $A_{2}B$, electrenes, with the following combinations, (i)…

Materials Science · Physics 2022-06-15 Pedro H. Souza , Danilo Kuritza , José E. Padilha , Roberto H. Miwa

We propose an extensive report on the simulation of electronic transport in 2D graphene in presence of structural defects. Amongst the large variety of such defects in sp$^2$ carbon-based materials, we focus on the Stone-Wales defect and on…

Mesoscale and Nanoscale Physics · Physics 2012-08-03 Aurelien Lherbier , Simon M. -M. Dubois , Xavier Declerck , Yann-Michel Niquet , Stephan Roche , Jean-Christophe Charlier

We investigate the electronic transport property of lateral heterojunctions of semiconducting and metallic transition-metal dichalcogenide monolayers, MoSe$_2$ and NbSe$_2$, respectively. We calculate the electronic transmission probability…

Mesoscale and Nanoscale Physics · Physics 2019-09-26 Tetsuro Habe

We investigate transport properties of the junctions in which the graphene nanoribbon with the zigzag shaped edges consisting of the $N$ legs is sandwiched by the two normal metals by means of recursive Green's function method. The…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Yoneko Mochizuki , Hideo Yoshioka

Electronic transport properties of carbon nanotubes are studied theoretically in the presence of external electric field E(t) by using the Boltzmann's transport with constant relaxation time. An analytical expression for the current…

Mesoscale and Nanoscale Physics · Physics 2015-02-18 S. S. Abukari , S. Y. Mensah , N. G. Mensah , M. Rabiu , K. W. Adu , A. Twum

Semiconductor nanostructures based on two dimensional electron gases (2DEGs) have the potential to provide new approaches to sensing, information processing, and quantum computation. Much is known about electron transport in 2DEG…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 M. A. Topinka , B. J. LeRoy , R. M. Westervelt , S. E. J. Shaw , R. Fleischmann , E. J. Heller , K. D. Maranowski , A. C. Gossard