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Hexagonal boron nitride (h-BN) is a promising two-dimensional insulator with a large band gap and low density of charged impurities that is isostructural and isoelectronic with graphene. Here we report the chemical and atomic-scale…

The increase in threats from global warming due to the consumption of fossil fuels requires our planet to adopt new strategies to harness the inexhaustible sources of energy. Hydrogen is an energy carrier which holds tremendous promise as a…

Materials Science · Physics 2011-06-23 N. S. Venkataramanan , A. Suvitha , H. Mizuseki , Y. Kawazoe

Amorphous boron nitride (\textrm{$\alpha$}-BN) is a promising ultrathin barrier for nanoelectronics, yet the atomistic mechanisms governing its chemical stability remain poorly understood. Here, we investigate the structure-property…

Ab initio calculations within the density-functional theory formalism are performed to investigate the chemical functionalization of a graphene-like monolayer of silicon - silicene - with B, N, Al or P atoms. The structural, electronic,…

Materials Science · Physics 2014-09-05 Jozef Sivek , Hasan Şahin , Bart Partoens , François M. Peeters

From monolayers composed of different atoms, we can build structures with spontaneous vertical polarization by conveniently stacking multiple layers. We have studied, using first-principles methods and based on modern polarization theory, a…

Materials Science · Physics 2023-02-24 Emilio A. Cortés , Juan M. Florez , Eric Suárez Morell

Here we demonstrate that significant progress in this area may be achieved by introducing structural elements that form hydrogen bonds with environment. Considering several examples of hybrid framework materials with different structural…

Metalloborophene, characterized by the presence of metal-centered boron wheels denoted as M\c{opyright}Bn, has garnered considerable attention in recent years due to its versatile properties and potential applications in fields such as…

Materials Science · Physics 2024-12-05 Xiao-Ji Weng , Yi Zhu , Ying Xu , Jie Bai , Zhuhua Zhang , Bo Xu , Xiang-Feng Zhou , Yongjun Tian

The adsorption of single atoms on pristine and defected hexagonal boron nitride (h-BN) was systematically investigated using density functional theory. Elements from the first three rows of the periodic table, together with selected…

Materials Science · Physics 2026-02-04 Ana S. Dobrota , Natalia V. Skorodumova , Igor A. Pašti

The groundbreaking works in graphene and graphene nanoribbons (GNRs) over the past decade, and the recent discovery of borophene draw immediate attention to the underexplored borophene nanoribbons (BNRs). We herein report a density…

Materials Science · Physics 2017-05-24 Fanchen Meng , Xiangnan Chen , Songsong Sun , Jian He

Density functional calculations of electronic structure, total energy, structural distortions, and magnetism for hydrogenated single-layer, bilayer, and multi-layer graphene are performed. It is found that hydrogen-induced magnetism can…

Materials Science · Physics 2008-01-24 D. W. Boukhvalov , M. I. Katsnelson , A. I. Lichtenstein

The power of polymorphism in carbon is vividly manifested by the numerous applications of carbon-based nano-materials. Ranging from environmental issues to biomedical applications, it has the potential to address many of today's dire…

Materials Science · Physics 2017-03-28 Obaidur Rahaman , Bohayra Mortazavi , Arezoo Dianat , Gianaurelio Cuniberti , Timon Rabczuk

The small atomic mass of boron indicates strong electron-phonon coupling, so it may have a brilliant performance in superconductivity. Recently, a new 2D boride sheet with ordered metal vacancies and surface terminals (Mo4/3B2-x) was…

Superconductivity · Physics 2023-11-14 Xiaoran Shi , Junfeng Gao , Shi Qiu , Yuan Chang , Luneng Zhao , Zhen-Guo Fu , Jijun Zhao , Ping Zhang

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…

Mesoscale and Nanoscale Physics · Physics 2014-09-24 Shijun Zhao , Wei Kang

The experimental realization of a thin layer of spin-polarized hydrogen adsorbed on top of the surface of superfluid 4He provides one of the best examples of a stable nearly two-dimensional quantum Bose gas. We report a theoretical study of…

Quantum Gases · Physics 2015-06-18 J. M. Marin , L. Vranjes Markic , J. Boronat

The most recent experimental advances could provide ways for the fabrication of several atomic thick and planar forms of boron atoms. For the first time, we explore the mechanical properties of five types of boron films with various vacancy…

Materials Science · Physics 2017-04-17 Minh-Quy Le , Bohayra Mortazavi , Timon Rabczuk

We show the possibility of tailoring the molecular arrangement, as well as the chemical and structural modifications, of porphyrins at the monolayer saturation coverage on TiO2(110) by Synchrotron photoemission, electron diffraction, STM…

Recently, two-dimensional boron sheets have attracted a lot of attentions owing to their structural polymorphs and outstanding properties. And, due to chemical complexity and electron deficiency of B atoms, the 2D boron sheets are easy…

Materials Science · Physics 2016-07-29 Ruiqi Zhang , Jinlong Yang

Boron nitride (BN) is a structurally versatile insulator since it can be found in several crystalline structures with interesting mechanical and electrical properties, making this material attractive for technological applications. Seeking…

Two-dimensional (2D) materials, such as graphene and transition metal dichalcogenides have attracted great attention because of the rich physics and potential applications in next-generation nano-sized electronic devices. Recently,…

Materials Science · Physics 2015-05-25 Xiaolong Chen , Yingying Wu , Zefei Wu , Shuigang Xu , Lin Wang , Yu Han , Weiguang Ye , Tianyi Han , Yuheng He , Yuan Cai , Ning Wang

Among exciting recent advances in the field of two-dimensional (2D) materials, the successful fabrications of the C60 fullerene networks has been a particularly inspiring accomplishment. Motivated by the recent achievements, herein we…

Materials Science · Physics 2023-08-11 Bohayra Mortazavi , Yves Remond , Hongyuan Fang , Timon Rabczuk , Xiaoying Zhuang