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Atomically thin monolayers of graphene show excellent electronic properties which have led to a great deal of research on their use in nanoscale devices. However, heat management of such nanoscale devices is essential in order to improve…

We investigate theoretically the electronic structure of graphene and boron nitride (BN) lateral heterostructures, which were fabricated in recent experiments. The first-principles density functional calculation demonstrates that a huge…

Mesoscale and Nanoscale Physics · Physics 2016-07-04 Dong Zhang , Maosheng Miao , Fuhua Yang , Haiqing Lin , Kai Chang

Two dimensional (2D) layered materials have recently gained renewed interest due to their exotic electronic properties along with high specific surface area. The prospects of exploiting these properties in sensing, catalysis, energy…

Materials Science · Physics 2015-05-20 Sumit Saxena , Raghvendra Pratap Choudhary , Shobha Shukla

Silicene is a promising 2D Dirac material as a building block for van der Waals heterostructures (vdWHs). Here we investigate the electronic properties of hexagonal boron nitride/silicene (BN/Si) vdWHs using first-principles calculations.…

Materials Science · Physics 2021-03-09 Ze-Bin Wu , Yu-Yang Zhang , Geng Li , Shixuan Du , Hong-Jun Gao

Hexagonal boron nitride (h-BN) has long been recognized as an ideal substrate for electronic devices due to its dangling-bond-free surface, insulating nature and thermal/chemical stability. Therefore, to analyse the lattice structure and…

Artificial atomic systems in solids such as single photon emitters are becoming increasingly important building blocks in quantum information processing and scalable quantum nanophotonic networks. Here, we report on a controllable way to…

Hexagonal boron nitride (hBN) is drawing increasing attention as an insulator and substrate material to develop next generation graphene-based electronic devices. In this paper, we investigate the quantum transport in heterostructures…

Mesoscale and Nanoscale Physics · Physics 2015-06-30 Y. Zhao , Z. Wan , X. Xu , S. R. Patil , U. Hetmaniuk , M. P. Anantram

Hexagonal boron nitride (hBN) is attracting a lot of attention in the last years, thanks to its many remarkable properties. These include the presence of single-photon emitters with superior optical properties, which make it an ideal…

Two-dimensional van der Waals (2D-vdW) layered hexagonal boron nitride (h-BN) has gained tremendous research interest over recent years due to its unconventional domain growth morphology, fascinating properties and application potentials as…

Hexagonal boron nitride sheets have been noted especially for their enhanced properties as substrates for sp2 carbon-based nanodevices. To evaluate whether such enhanced properties would remain under various realistic conditions, we…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Seoung-Hun Kang , Gunn Kim , Young-Kyun Kwon

Two-dimensional (2D) materials such as graphene and hexagonal boron nitride (hBN) provide a versatile platform for quantum electronics. Experiments generally require encapsulating graphene within hBN flakes, forming a protective van der…

The electromagnetic interaction between Ag nanoparticles on the top of the Si substrate and the incident light has been studied by numerical simulations. It is found that the presence of a dielectric layer with different thickness leads to…

Materials Science · Physics 2011-09-22 Xu Rui , Wang Xiao-Dong , Liu Wen , Xu Xiao-Na , Li Yue-Qiang , Ji An , Yang Fu-Hua , Li Jin-Min

Hexagonal boron nitride (hBN) is a layered dielectric material with a wide range of applications in optics and photonics. In this work, we demonstrate a fabrication method for few-layer hBN flakes with areas up to 5000 $\rm \mu m$. We show…

Two-dimensional (2D) materials as electrodes is believed to be the trend for future Li-ion and Na-ion batteries technologies. Here, by using first-principles methods, we predict that the recently reported borophene (2D born sheet) can serve…

Mesoscale and Nanoscale Physics · Physics 2016-10-19 Xiaoming Zhang , Junping Hu , Yingchun Cheng , Hui Ying Yang , Yugui Yao , Shengyuan A. Yang

Two-dimensional (2D) transition metal nitrides (TMNs) are new members in the 2D materials family with a wide range of applications. Particularly, highly crystalline and large area thin films of TMNs are potentially promising for…

Materials Science · Physics 2019-10-07 Jun Cao , Tianshu Li , Hongze Gao , Yuxuan Lin , Xingzhi Wang , Haozhe Wang , Tomás Palacios , Xi Ling

Ferroelectric aluminum scandium nitride (Al1-xScxN, AlScN) offers CMOS-compatible integration but suffers from high coercive fields and leakage currents that hinder thickness scaling. Further reduction in thickness is essential for…

Interconnect materials with ultralow dielectric constant, and good thermal and mechanical properties are crucial for the further miniaturization of electronic devices. Recently, it has been demonstrated that ultrathin amorphous boron…

Two-dimensional (2D) materials have received considerable attention as possible electrodes in Li-ion batteries (LIBs), although a deeper understanding of the Li adsorption behavior as well as broad screening of the materials space is still…

Materials Science · Physics 2022-03-22 Sheng Gong , Shuo Wang , Taishan Zhu , Xi Chen , Jeffrey C. Grossman

Atomically thin hexagonal boron nitride (h-BN), especially monolayer, has garnered increasing attention due to its intriguing optical and light-matter-interaction properties. However, its intrinsic optical properties and electronic band…

Two-dimensional (2D) transition metal dinitride (HfN2) has been studied for their optoelectronic, piezoelectric, and thermoelectric properties. Both monolayer and bilayer of HfN2 were studied using density functional theory (DFT) and…

Materials Science · Physics 2020-11-17 Atanu Betal , Jayanta Bera , Satyajit Sahu