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The doping of lighter non-metals like boron and nitrogen into graphene represents a promising advancement in the field of nano-electronic devices, particularly in the development of field-effect transistors (FETs). These doped…

材料科学 · 物理学 2023-08-16 Vivek Kumar Yadav

Borophene has triggered a surge of interest due to its outstanding properties including mechanical flexibility, polymorphism, and opto-electrical anisotropy. Very recently, a novel semi-hydrogenated borophene, called $\alpha'$-4H, was…

Rational design of novel two-dimensional (2D) electrode materials with high capacity is crucial for the further development of Li-ion and Na-ion batteries. Herein, based on first-principles calculations, we systemically investigate Li and…

材料科学 · 物理学 2019-11-22 Junping Hu , Chengyong Zhong , Weikang Wu , Ning Liu , Yu Liu , Shengyuan A. Yang , Chuying Ouyang

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

We present first principles study of thermoelectric transport properties of sandwiched heterostructure of Graphene (G)/hexagonal Boron Nitride (BN)/G, based on Boltzmann transport theory for band electrons using the bandstructure calculated…

介观与纳米尺度物理 · 物理学 2016-03-23 Ransell D'Souza , Sugata Mukherjee

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

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

In this study, we investigate a novel hybrid borocarbonitrides (bpn-BCN) 2D material inspired by recent advances in carbon biphenylene synthesis, using first-principles calculations and semi-classical Boltzmann transport theory. Our…

材料科学 · 物理学 2025-01-28 Ajay Kumar Parbati Senapati , Prakash Parida

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

The monolayer of black phosphorous, or phosphorene, has recently emerged as a new 2D semiconductor with intriguing highly anisotropic transport properties. Existing calculations of its intrinsic phonon-limited electronic transport…

材料科学 · 物理学 2015-06-24 Bolin Liao , Jiawei Zhou , Bo Qiu , Mildred S. Dresselhaus , Gang Chen

New two diemensional structures nanoribbon including phosphorus and germanium atoms are introduced for the nanoelectronic applications. Under various bias voltages, the electronic transport in the systems have been studied within the…

介观与纳米尺度物理 · 物理学 2018-01-09 Maryam Azizi , Badie Ghavami

We study the transport properties of Dirac electrons across a two-dimensional normal metal-barrier-normal metal (NBN) interfaces in monolayer borophane. We analyse the transmission probability with variation of the width of the barrier…

介观与纳米尺度物理 · 物理学 2020-03-13 Prasun Das , Sangita De Sarkar , Asim Kumar Ghosh

We explore electron transport properties in molecular wires made of heterocyclic molecules (pyrrole, furan and thiophene) by using the Green's function technique. Parametric calculations are given based on the tight-binding model to…

介观与纳米尺度物理 · 物理学 2009-09-13 Santanu K. Maiti , S. N. Karmakar

Transport through a one--dimensional wire of interacting electrons connected to semi--infinite leads is investigated using a bosonization approach. An incident electron is transmitted as a sequence of partial charges. The dc conductance is…

凝聚态物理 · 物理学 2009-10-28 I. Safi , H. J. Schulz

Quantum-confined semiconductor structures are the cornerstone of modern-day electronics. Spatial confinement in these structures leads to formation of discrete low-dimensional subbands. At room temperature, carriers transfer among different…

介观与纳米尺度物理 · 物理学 2009-08-14 I. Knezevic , E. B. Ramayya , D. Vasileska , S. M. Goodnick

We theoretically investigate the electronic transport properties of curved graphene waveguides by employing non-equilibrium Green's function techniques. We systematically study the dependence of the confined waveguide modes on the potential…

介观与纳米尺度物理 · 物理学 2018-08-01 Vahid Mosallanejad , Ke Wang , Zhenhua Qiao , Guoping Guo

We investigated a suspended bilayer graphene where the bottom (top) layer is doped by boron (nitrogen) substitutional atoms by using Density Functional Theory (DFT) calculations. We found that at high dopant concentration (one B-N pair…

材料科学 · 物理学 2016-05-25 Daniele Giofré , Davide Ceresoli , Mario I. Trioni

Borophene stands out among elemental two-dimensional materials due to its extraordinary physical properties, including structural polymorphism, strong anisotropy, metallicity, and the potential for phonon-mediated superconductivity.…

超导电性 · 物理学 2024-08-12 Božidar N. Šoškić , Jonas Bekaert , Cem Sevik , Milorad V. Milošević

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

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