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Related papers: Beryllium-dihydrogen complexes on nanostructures

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Nanostructured polymer-metal oxide composites are a current research area of great importance due to its highlight applications in sensors, optics, catalysts and drug delivery. Particularly the use of thermoresponsive polymers gives more…

Soft Condensed Matter · Physics 2020-07-21 Hong Xu

We perform density functional theory calculations using Gaussian atomic-orbital methods within the generalized gradient approximation for the exchange and correlation to study the interactions in the bare and hydrogenated platinum clusters.…

Atomic and Molecular Clusters · Physics 2009-11-11 Ali Sebetci

We report a collection of lowest-energy structures of hydrocarbon molecules C_{m}H_{n} (m=1-18; n=0-2m+2). The structures are examined within a wide hydrogen chemical potential range. The genetic algorithm combined with Brenner's empirical…

Mesoscale and Nanoscale Physics · Physics 2011-08-24 Y. X. Yao , C. Rareshide , T. L. Chan , C. Z. Wang , K. M. Ho

We have systematically searched for the ground state structures of bismuth hydrides based on evolutionary algorithm method and particle swarm optimization algorithm method. Given only rich-hydrogen region, except for BiH$_{3}$, other…

Superconductivity · Physics 2015-11-18 Yanbin Ma , Defang Duan , Da Li , Yunxian Liu , Fubo Tian , Hongyu Yu , Chunhong Xu , Ziji Shao , Bingbing Liu , Tian Cui

Structure, stability and reactivity of clathrate hydrates with or without hydrogen encapsulation are studied using standard density functional calculations. Conceptual density functional theory based reactivity descriptors and the…

Atomic and Molecular Clusters · Physics 2016-09-28 Pratim Kumar Chattaraj , Sateesh Bandaru , Sukanta Mondal

Metal-ion batteries are in huge demand to cope with the increasing need for renewable energy, especially in automobiles. In this work, we apply first-principle calculations to examine two-dimensional beryllium carbide (2D-Be2C) as a…

Materials Science · Physics 2025-11-03 Hetvi Jadav , Sadhana Matth , Himanshu Pandey

Using density functional theory calculations, we investigated the properties of few-layer silicene nanosheets, namely bilayers and trilayers, functionalized with group-III or group-V atoms of the periodic table. We considered the…

Materials Science · Physics 2022-03-23 Bruno Ipaves , João F. Justo , Lucy V. C. Assali

Polypeptide-based diblock copolymers forming either well-defined self-assembled micelles or vesicles after direct dissolution in water or in dichloromethane, have been studied combining light and neutron scattering with electron microscopy…

Molecular beam experiments that use low-temperature bolometers as (energy-) detectors are well suited to the study of physisorption and recombination of hydrogen on low-temperature surfaces. Experiments where this technique is combined with…

Chemical Physics · Physics 2007-05-23 Thomas Govers

Cells offer numerous inspiring examples where proteins and membranes combine to form complex structures that are key to intracellular compartmentalization, cargo transport, and specialization of cell morphology. Despite this wealth of…

We use ab initio simulations to study the static and dynamic properties of a sodium borosilicate liquid with composition 3Na_2O-B_2O_3-6SiO_2, i.e. a system that is the basis of many glass-forming materials. In particular we focus on the…

Disordered Systems and Neural Networks · Physics 2018-02-28 Laurent Pedesseau , Simona Ispas , Walter Kob

3He atoms dissolved in superfluid 4He may form dimers (3He)2 in two-dimensional geometries. We study dimer formation in films of dilute 3He-4He mixture. After designing a schematic 3He-3He interaction potential we calculate the dimer…

Condensed Matter · Physics 2009-10-28 E. Bashkin , N. Pavloff , J. Treiner

Hydrogen activation is a key elementary step in catalytic hydrogenation. In heterogeneous catalysis, it usually proceeds through dissociative adsorption on metal nanoparticles followed by surface diffusion or spillover, whereas homogeneous…

Hydrogen is a promising energy carrier that can push forward the energy transition because of its high energy density (142 MJ kg-1), variety of potential sources, low weight and low environmental impact, but its storage for automotive…

A class of iridium hydrides, IrH_x (x=0.5, 1-4, 6), is calculated at ab-initio level using the DFT. A number of hydrides are predicted to stabilize in the excess hydrogen environment and upon compression. The threshold pressure for…

Materials Science · Physics 2017-09-13 Patryk Zaleski-Ejgierd

Charged clusters in liquid helium in an external electric field form a two-dimensional system below the helium surface. This 2D system undergoes a phase transition from a liquid to a Wigner crystal at rather high temperatures. Contrary to…

Statistical Mechanics · Physics 2015-06-24 A. M. Dyugaev , P. D. Grigoriev , P. Wyder

Lanthanum hydride LaH$_{10}$ with a sodalitelike clathrate structure was experimentally realized to exhibit a room-temperature superconductivity under megabar pressures. Based on first-principles calculations, we reveal that the metal…

Superconductivity · Physics 2021-02-17 Seho Yi , Chongze Wang , Hyunsoo Jeon , Jun-Hyung Cho

Functional nano-templates enable self-assembly of otherwise impossible arrangements of molecules. A particular class of such templates is that of sp2 hybridized single layers of hexagonal boron nitride or carbon (graphene) on metal…

Atomic and Molecular Clusters · Physics 2010-09-28 Haifeng Ma , Mario Thomann , Jeanette Schmidlin , Silvan Roth , Martin Morscher , Thomas Greber

The electronic, thermal and optical properties of a monolayer BeO with Boron (B) and Nitrogen (N) co-dopant atoms are studied by means of a density functional theory computation. Our calculations reveal that BeO with BN-codopant atoms can…

Materials Science · Physics 2022-01-07 Nzar Rauf Abdullah , Botan Jawdat Abdullah , Vidar Gudmundsson

Nanoscale confinement provides an ideal platform to rouse some exceptional reactions which cannot happen in the open space. Intuitively, H2 and H$_2$O cannot react. Herein, through utilizing small-sized fullerenes (C$_{24}$, C$_{26}$,…

Chemical Physics · Physics 2023-02-13 Endong Wang , Yi Gao