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Three dimensional models that account for chemistry are useful tools to predict the chemical composition of (exo)planet and brown dwarf atmospheres and interpret observations of future telescopes. Recent Juno observations of the NH3…

Direct carbon fuel cells (DCFCs) are highly efficient power generators fueled by abundant and cheap solid carbons. However, the limited formation of triple phase boundaries (TPBs) within fuel electrodes inhibits their performance even at…

Applied Physics · Physics 2018-02-19 Wei Wu , Yunya Zhang , Dong Ding , Ting He

The layered misfit cobaltate Ca$_3$Co$_4$O$_9$, also known as Ca$_2$CoO$_3$[CoO$_2$]$_{1.62}$, is a promising p-type thermoelectric oxide. Employing density functional theory, we study its electronic structure and determine, on the basis of…

Materials Science · Physics 2017-06-13 Bin Amin , Ulrich Eckern , Udo Schwingenschlögl

39 detailed mechanisms for combustion of hydrogen, carbon monoxide and methanol are investigated using ReactionKinetics, a Mathematica based package. The obtained results in most cases do not depend on the choice of reaction rate…

Chemical Physics · Physics 2013-08-06 J. Tóth , A. L. Nagy , I. Zsély

In this paper, we present a comprehensive characterization of beam-beam backgrounds for the Cool Copper Collider (C$^3$), a proposed linear $e^{+}e^{-}$ collider designed for precision Higgs studies at center-of-mass energies of 250 and 550…

High Energy Physics - Experiment · Physics 2026-03-04 Dimitrios Ntounis , Laith Gordon , Lindsey Gray , Elias Mettner , Tim Barklow , Emilio A. Nanni , Caterina Vernieri

With increasing interest in the use of glassy carbon (GC) for a wide variety of application areas, the need for developing fundamental understanding of its mechanical properties has come to the forefront. Further, recent theoretical and…

Hydrogen trapping ability of various metal - ethylene complexes has been studied at the B3LYP and MP2 level of theory using the 6-311+G(d,p) basis set. Different global and local reactivity descriptors and the associated electronic…

Atomic and Molecular Clusters · Physics 2010-09-03 Arindam Chakraborty , Santanab Giri , Pratim Kumar Chattaraj

Designing a molecule with desired properties is one of the biggest challenges in drug development, as it requires optimization of chemical compound structures with respect to many complex properties. To augment the compound design process…

Machine Learning · Computer Science 2020-01-23 Łukasz Maziarka , Agnieszka Pocha , Jan Kaczmarczyk , Krzysztof Rataj , Michał Warchoł

This work presents an in-depth investigation of the properties of complexes composed of hydrogen, silicon or oxygen with carbon, which are major unintentional impurities in undoped GaN. This manuscript is a complement to our previous work…

Materials Science · Physics 2017-06-20 Masahiko Matsubara , Enrico Bellotti

Excited atomic nitrogen atoms play an important role in plasma formation in hypersonic shock-waves, as happens during spacecraft reentry and other high velocity vehicle applications. In this study, we have thoroughly studied collision…

Chemical Physics · Physics 2024-04-24 Yanze Wu , Majdi Hochlaf , George C. Schatz

The concentration of carbon dioxide (CO2) in the Earth atmosphere is linked to the acute problem of global warming. For the first time, we herein introduce trialkylsulfonium aprotic ionic liquids (ILs) as a group of seemingly highly…

Chemical Physics · Physics 2023-05-08 Vitaly V. Chaban

In this work, we use modern electronic structure methods to model the catalytic mechanism of different variants of the molybdenum cofactor (Moco). We investigate the dependence of various Moco model systems on structural relaxation and the…

Silicon-oxygen compounds are among the most important ones in the natural sciences, occurring as building blocks in minerals and being used in semiconductors and catalysis. Beyond the well known silicon dioxide, there are phases with…

Materials Science · Physics 2025-04-16 Linus C. Erhard , Jochen Rohrer , Karsten Albe , Volker L. Deringer

Methane (CH4) formation from photocatalytic carbon dioxide (CO2) conversion in water is currently of interest because methane is a fuel, and it can also be transformed into other useful hydrocarbons. However, achieving high selectivity to…

Materials Science · Physics 2025-03-21 Jacqueline Hidalgo-Jiménez , Taner Akbay , Xavier Sauvage , Tatsumi Ishihara , Kaveh Edalati

Carbon's versatility allows it to form diverse structures with unique properties, driven by its moderate electronegativity, small ionic radius, and ability to adopt \textit{sp}, \textit{sp\textsuperscript{2}}, and…

This article presents the "PubChemQC B3LYP/6-31G*//PM6" dataset, containing electronic properties of 85,938,443 molecules. It includes orbitals, orbital energies, total energies, dipole moments, and other relevant properties. The dataset…

Chemical Physics · Physics 2023-05-31 Maho Nakata , Toshiyuki Maeda

Compositionally complex ceramics (CCCs), including high-entropy ceramics (HECs) as a subclass, offer new opportunities of materials discovery beyond the traditional methodology of searching new stoichiometric compounds. Herein, we establish…

We use ab initio density functional calculations to study the stability, elastic properties and electronic structure of sp2 carbon minimal surfaces with negative Gaussian curvature, called schwarzites. We focus on two systems with cubic…

Mesoscale and Nanoscale Physics · Physics 2010-09-03 Sora Park , Kritsada Kittimanapun , Jeung-Sun Ahn , Young-Kyun Kwon , David Tomanek

We investigate the formation of fullerene-like structures from hot Carbon gas using classical molecular dynamics, employing Brenner's potential. In particular we examine the influence of different annealing strategies on fullerene yield,…

Materials Science · Physics 2009-12-22 Klaus Lichtenegger , Wolfgang von der Linden

Electron beam induced deposition with tungsten hexacarbonyl W(CO)6 as precursors leads to granular deposits with varying compositions of tungsten, carbon and oxygen. Depending on the deposition conditions, the deposits are insulating or…

Materials Science · Physics 2015-03-20 Kaliappan Muthukumar , Roser Valenti , Harald O. Jeschke