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Related papers: Towards Obtaining 2D and 3D and 1D PtPN with Penta…

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Computational materials are pivotal in advancing our understanding of distinct material classes and their properties, offering valuable insights in predicting novel structures and complementing experimental approaches. In this context,…

Materials Science · Physics 2023-10-12 F. F. Monteiro , K. A. L. Lima , L. A. Ribeiro Junior

Two-dimensional (2D) black phosphorus (i.e., phosphorene) has become a rising star in electronics. Recently, 2D phosphorus oxides with higher stability have been synthesized. In this work, we systematically explore the structures and…

Materials Science · Physics 2016-05-11 Wei Luo , Hongjun Xiang

The electronic structure of epitaxial single-layer MoS$_2$ on Au(111) is investigated by angle-resolved photoemission spectroscopy. Pristine and potassium-doped layers are studied in order to gain access to the conduction band. The…

The optoelectronic properties of single- and double-wall carbon nanotubes (CNTs) noncovalently functionalized with tetraphenylporphyrins (TPPs) are addressed by dispersion-corrected ab initio calculations. Five CNT species with different…

Materials Science · Physics 2017-01-04 Walter Orellana

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…

Materials Science · Physics 2015-06-25 Yongqing Cai , Gang Zhang , Yong-Wei Zhang

Single atom catalysts (SACs) based on 2D materials are identified to be efficient in many catalytic reaction. In this work, the catalytic performance of Pd/Pt embedded planar carbon nitride (CN) for CO oxidation, has been investigated via…

Chemical Physics · Physics 2020-01-08 Yongchao Rao , Xiangmei Duan

Two-dimensional (2D) magnetic materials hosting nontrivial topological states are interesting for fundamental research as well as practical applications. Recently, the topological state of 2D Weyl half-semimetal (WHS) was proposed, which…

Materials Science · Physics 2023-03-08 Yalong Jiao , Xu-Tao Zeng , Cong Chen , Zhen Gao , Xian-Lei Sheng , Shengyuan A. Yang

We introduce a multi-tasking graph convolutional neural network, HydraGNN, to simultaneously predict both global and atomic physical properties and demonstrate with ferromagnetic materials. We train HydraGNN on an open-source ab initio…

Materials Science · Physics 2022-05-09 Massimiliano Lupo Pasini , Pei Zhang , Samuel Temple Reeve , Jong Youl Choi

Recent research in two-dimensional (2D) materials has boosted a renovated interest in the p-n junction, one of the oldest electrical components which can be used in electronics and optoelectronics. 2D materials offer remarkable flexibility…

Mesoscale and Nanoscale Physics · Physics 2018-09-12 Riccardo Frisenda , Aday J Molina-Mendoza , Thomas Mueller , Andres Castellanos-Gomez , Herre SJ van der Zant

The discovery of two-dimensional (2D) materials possessing switchable spontaneous polarization with atomic thickness opens up exciting opportunities to realize ultrathin, high-density electronic devices with potential applications ranging…

Materials Science · Physics 2020-11-04 Jiawei Huang , Sang-Hoon Lee , Andrew Supka , Young-Woo Son , Shi Liu

Recently, a new carbon 3D carbon allotrope named pentadiamond was proposed. Pentadiamond is composed of carbon atoms in mixed sp$^2$ and sp$^3$-like hybridization. In this work, we have carried out a detailed investigation of the electronic…

Materials Science · Physics 2021-02-03 Raphael M. Tromer , Levy C. Felix , Cristiano F. Woellner , Douglas S. Galvao

Beamforming is traditionally associated with coherent summation of signals from antenna elements of the same polarization, here referred to as single polarization beamforming (SPBF). In this paper we focus on a new method, called dual…

Signal Processing · Electrical Eng. & Systems 2019-10-23 Sven O. Petersson

The Janus structure, by combining properties of different transition metal dichalcogenide (TMD) monolayers in a single polar material, has attracted increasing research interest because of their particular structure and potential…

Materials Science · Physics 2020-01-08 San-Dong Guo , Xiao-Shu Guo

High intrinsic mobility and small, biologically-compatible size make single-walled carbon nanotubes (SWNTs) in demand for the next generation of electronic devices. Further, the wide range of available bandgaps due to changes in diameter…

Materials Science · Physics 2010-01-12 Stacy E. Snyder , Slava V. Rotkin

Nano particles of pure ZnO, pure SnO$_2$, and nanocomposites of ZnO/SnO$_2$ were synthesized using microwave hydrothermal technique starting from aqueous solutions. Nanocomposites with different molar ratios of ZnO and SnO$_2$ were…

Materials Science · Physics 2023-01-27 J. V. S. Sajana D. Perera

We present photoluminescence (PL) spectroscopy measurements of single-layer MoSe2 as a function of uniform uniaxial strain. A simple clamping and bending method is described that allows for application of uniaxial strain to layered, 2D…

We have studied the electronic structure and charge-carrier dynamics of individual single-wall carbon nanotubes (SWNTs) and nanotube ropes using optical and electron-spectroscopic techniques. The electronic structure of semiconducting SWNTs…

Materials Science · Physics 2009-11-10 A. Hagen , G. Moos , V. Talalaev , J. W. Tomm , T. Hertel

Triply-periodic networks (TPNs), like the well-known gyroid and diamond network phases, abound in soft matter assemblies, from block copolymers (BCPs), lyotropic liquid crystals and surfactants to functional architectures in biology. While…

Soft Condensed Matter · Physics 2018-01-11 Ishan Prasad , Hiroshi Jinnai , Rong-Ming Ho , Edwin L. Thomas , Gregory M. Grason

This paper is the first one of a series of two articles in which we revisit the optical properties of single-walled carbon nanotubes (SWNT). Produced by rolling up a graphene sheet, SWNT owe their intriguing properties to their cylindrical…

Mathematical Physics · Physics 2018-11-30 Morten Rasmussen , Benjamin Ricaud , Baptiste Savoie

In this work, the energy band structures of BGaN and BAlN alloys are systematically studied through first-principles calculation using HSE hybrid density functional theory by MedeA-VASP. Direct-indirect bandgap transition of BGaN alloys at…

Applied Physics · Physics 2020-05-19 Che-Hao Liao , Feras AlQatari , Xiaohang Li