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Transition metal dichalcogenides (TMDs) are a class of two-dimensional (2D) materials been widely studied for emerging electronic properties. In this work, we use computational simulations to examine the water adsorption on TMDs…

Computational Physics · Physics 2024-02-20 Siheng Li , Keyang Liu , Jiří Klimeš , Ji Chen

In this paper, we introduce a novel, adapted approach for computing gas adsorption properties in porous materials. We analyze the Dubinin-Polanyi's adsorption model and investigate various frameworks to estimate its required essential…

Materials Science · Physics 2023-10-25 F. Stavarache , A. Luna-Triguero , S. Calero , J. M. Vicent-Luna

Molecular adsorption on surfaces plays an important part in catalysis, corrosion, desalination, and various other processes that are relevant to industry and in nature. As a complement to experiments, accurate adsorption energies can be…

Two-dimensional polyaniline with a C3N stoichiometry, is a newly fabricated material that has expected to possess fascinating electronic, thermal, mechanical and chemical properties . The possibility of further tuning the C3N properties…

Computational Physics · Physics 2017-08-18 Meysam Makaremi , Bohayra Mortazavi , Chandra Veer Singh

Developing efficient hydrogen storage and conversion technologies is essential for sustainable energy. This study investigates the catalytic potential of a dicalcium nitride (Ca2N) monolayer for hydrogen dissociation using density…

Mesoscale and Nanoscale Physics · Physics 2025-01-28 Gwan Woo Kim , Soonmin Jang , Gunn Kim

This study investigates hydrogen permeation in titanium aluminium nitride (TiAlN) using ab initio density functional theory (DFT) for cubic and hexagonal crystal structures. Despite the significance of hydrogen barriers, the potential of…

Materials Science · Physics 2024-10-03 Cem Örnek , Rainer Fechte-Heinen

We provide novel random surface density functional theory (RSDFT) formulation in the case of geometric heterogeneous surface of solid media which is essential for description of thermodynamic properties of confined fluids. The major…

Statistical Mechanics · Physics 2017-11-22 Timur Aslyamov , Aleksey Khlyupin

The dissociative adsorption of methane on variously oxidized Pd, Pt and Pd-Pt surfaces is investigated using density-functional theory, as a step towards understanding the combustion of methane on these materials. For Pd-Pt alloys, models…

First-principles density-functional theory has been used to investigate equilibrium geometries, total energies, and diffusion barriers for H as an interstitial impurity absorbed in $\alpha$-Fe. Internal strains/stresses upon hydrogen…

Materials Science · Physics 2011-06-03 J. Sanchez , J. Fullea , C. Andrade , P. L. de Andres

Adsorption of benzoic acid on the (110) surface of rutile, both unreconstructed and (1x2)- reconstructed ones, at saturation coverage of one benzoate per two adjacent five-coordinated Ti5c sites has been studied using DFT simulations, as…

Materials Science · Physics 2014-07-08 Xiang Zhao , David R. Bowler

Fluids in nanopores are of importance for many engineering applications, including energy storage in supercapacitors, hydrocarbons recovery from unconventional sources, or water desalination. Thermodynamic properties of fluids confined in…

Chemical Physics · Physics 2026-02-25 Gennady Y. Gor , Geordy Jomon , Andrei L. Kolesnikov

A phenomenological model has been developed for hydrogen absorption in niobium. The model has 9 free parameters that have a physical basis. The model provides an excellent fit to the highly accurate isotherm data by Veleckis et al. and has…

Materials Science · Physics 2023-12-05 Arvind Ramachandran , Houlong Zhuang , Klaus Lackner

The hydrogen sorption performance of V55Ti21Cr17Fe7 and V55Ti21Mn17Fe7 alloys and their ribbons were evaluated by pressure composition temperature tests. Their hydrogen absorption kinetic properties were studied through hydrogen absorption…

Materials Science · Physics 2013-03-22 A. Ioannidou , S. S. Makridis , M. Gjoka , E. I. Gkanas , A. K. Stubos , N. Lupu , D. Niarchos

The density functional theory (DFT) is used to investigate the mechanical properties of pure, fully hydrogenated, semi-hydrogenated, fully fluorinated, and semi-fluorinated germanene sheets, including Young's and bulk moduli, and plastic…

Materials Science · Physics 2021-04-07 M. Goli , S. M. Mozvashi , P. Aghdasi , Sh. Yousefi , R. Ansari

The adsorption of metal atoms on nanostructures, such as graphene and nanotubes, plays an important role in catalysis, electronic doping, and tuning material properties. Quantum chemical calculations permit the investigation of this process…

Mesoscale and Nanoscale Physics · Physics 2020-02-18 Christoph Rohmann , Maicol A. Ochoa , Michael Zwolak

Magnetic 2D materials have achieved significantly consideration owing to their encouraging applications. A variation of these 2D materials by occurrence of defects, by the transition-metal doping or adsorption or by the surface…

Materials Science · Physics 2025-06-27 Zarah Khan , Saleem Ayaz Khan , Ayesha Zaheer , Syed Rizwan

A simplified density functional theory (DFT) method for charged adsorbates on an ultrathin, insulating film supported by a metal substrate is developed and presented. This new method is based on a previous DFT development that uses a…

Materials Science · Physics 2017-03-27 Ivan Scivetti , Mats Persson

While first-principles calculations of electrode-molecule binding play an indispensable role in obtaining atomic-level understanding in surface science and electrochemistry, a significant challenge remains because the adsorption energy is…

Materials Science · Physics 2024-03-29 Juho Lee , Hyeonwoo Yeo , Ryong-Gyu Lee , Yong-Hoon Kim

In this paper, we investigate the adsorption of water monomer on fluorinated graphene using state-of-the-art first principles methods within the framework of density functional theory (DFT). Four different methods are employed to describe…

Materials Science · Physics 2018-11-28 Yong Yang , Fuchi Liu , Yoshiyuki Kawazoe

First-principles density functional theory (DFT) is employed to investigate the interactions of CO2 gas molecules with pristine and lithium-functionalized germanene. It is discovered that although a single CO2 molecule is weakly physisorbed…

Mesoscale and Nanoscale Physics · Physics 2017-05-17 S. M. Aghaei , M. M. Monshi , I. Torres , I. Calizo