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Sodium chloride (NaCl), a ubiquitous and chemically stable compound, has been considered inert under ambient conditions. Its typical B1 structure is highly isotropic without preferential direction, favoring the growth of a three-dimensional…

Materials Science · Physics 2025-01-24 Ping Ning , Yifan Tian , Guangtao Liu , Hongbo Wang , Qingyang Hu , Hanyu Liu , Mi Zhou , Yanming Ma

We report the results of molecular dynamics simulations of the release of five species of noble gas atoms trapped inside a small cluster of fullerenes in the temperature range 4000K < T < 5000K. We find that larger noble gas atoms are…

Materials Science · Physics 2007-05-23 M. K. Balasubramanya , M. W. Roth , P. D. Tilton , B. A. Suchy

To investigate the interaction between carbon and Mobius-type carbon nanobelts and nickel, cadmium, and lead nanoclusters, we utilized the semiempirical tight binding framework provided by xTB software. Through our calculations, we…

Materials Science · Physics 2025-09-01 C. Aguiar , N. Dattani , I. Camps

Measurements of the nitrogen isotopic ratio in Solar System comets show a constant value, ~140, which is three times lower than the protosolar ratio, a highly significant difference that remains unexplained. Observations of static starless…

Astrophysics of Galaxies · Physics 2020-11-04 P. Hily-Blant , G. Pineau des Forêts , A. Faure , D. R. Flower

The development of reversible hydrogen storage materials has become crucial for enabling carbon-neutral energy systems. Based on this, the present work investigates the hydrogen storage on the sodium-decorated P-C$_3$N (Na@P-C$_3$N), a…

The stability and structures of Titanium-doped Gold clusters AunTi (n=2-16) are studied under the relativistic all-electron density-functional calculations. It is found that the most stable structures of AunTi clusters with n=2-7 are…

Atomic and Molecular Clusters · Physics 2007-05-23 Ming-Xing Chen , X. H. Yan

Carbon nanoribbons (CNRs) are graphene (planar) structures with large aspect ratio. Carbon nanobelts (CNBs) are small graphene nanoribbons rolled up into spiral-like structures, i. e., carbon nanoscrolls (CNSs) with large aspect ratio. In…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 B. V. C. Martins , D. S. Galvão

A light-weight "inflatable" tensioned-membrane-structure vacuum container is proposed and its stability is analyzed. The proposed structure consists of a pressurized lobed cylindrical "wall" surrounding a central evacuated space. Stability…

Classical Physics · Physics 2009-10-21 Sean A. Barton

Using the correlative method of unsymmetrized self-consistent field for strongly anharmonic crystals, the thermodynamic stability and the mechanism its loss is studied for crystals with various types of the chemical bond. The following…

Statistical Mechanics · Physics 2015-06-24 V. I. Zubov

We have investigated the energetic stability and the electronic properties of metal-organic topological insulators bilayers (BLs), $(MC_4S_4)_3$-BL, with M=Ni and Pt, using first-principles calculations and tight-binding model. Our findings…

Materials Science · Physics 2017-10-03 F. Crasto de Lima , Gerson J. Ferreira , R. H. Miwa

We study the stability and structure of self-assembled atomic chains on Si(111) induced by monovalent, divalent and trivalent adsorbates, using first-principles total-energy calculations and scanning tunneling microscopy. We find that only…

Other Condensed Matter · Physics 2008-09-05 Corsin Battaglia , Philipp Aebi , Steven C. Erwin

Gold nanoclusters have been the focus of numerous computational studies but an atomistic understanding of their structural and dynamical properties at finite temperature is far from satisfactory. To address this deficiency, we investigate…

Mesoscale and Nanoscale Physics · Physics 2018-11-13 Diego Guedes-Sobrinho , Weiqi Wang , Ian Hamilton , Juarez L. F. Da Silva , Luca M. Ghiringhelli

The atomic structure, stacking sequences and electronic structure of folded graphene nanoribbons (FGNRs) are investigated by first-principles calculations. It reveals that the common configurations of all FGNRs are racket-like structures…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Wenjin Yin , Yuee Xie , Li-Min Liu , Yuanping Chen , Ru-Zhi Wang , Xiao-Lin Wei , Leo Lau

We aim to understand the formation of cloud condensation nuclei in oxygen-rich substellar atmospheres by calculating fundamental properties of the energetically most favorable vanadium oxide molecules and clusters. A hierarchical…

Earth and Planetary Astrophysics · Physics 2024-10-02 Helena Lecoq-Molinos , David Gobrecht , J. P. Sindel , Christiane Helling , Leen Decin

Gas molecules trapped between graphene and various substrates in the form of bubbles are observed experimentally. The study of these bubbles is useful in determining the elastic and mechanical properties of graphene, adhesion energy between…

Materials Science · Physics 2017-04-05 Sandeep K. Jain , Vladimir Juricic , Gerard T. Barkema

The successful isolation of cyclo-C18 in the experiment means the ground-breaking epoch of carbon rings. Herein, we studied the thermodynamic stabilities of cyclo-Cn (4 $\leq$ n $\leq$ 34) with density functional theory. When n = 4N + 2 (N…

Materials Science · Physics 2020-02-13 Meng-Yang Li , Zhibin Gao , Yan-Bo Han , Yao-Xiao Zhao , Kun Yuan , Shigeru Nagase , Masahiro Ehara , Xiang Zhao

The formation of quasi-spherical cages from protein building blocks is a remarkable self-assembly process in many natural systems, where a small number of elementary building blocks are assembled to build a highly symmetric icosahedral…

Special role in computer simulations of supercooled liquid and glasses is played by few general models representing certain classes of real glass-forming systems. Recently, it was shown that one of the most widely used model glassformers --…

Materials Science · Physics 2018-11-14 R. E. Ryltsev , B. A. Klumov , N. M. Chtchelkatchev , K. Yu. Shunyaev

Transition metal dichalcogenides (TMDs) constitute an intriguing platform for studying charge-ordered states including conventional and generalized Wigner crystals as well as Mott insulating states. In this work, we combine a phonon mode…

Materials Science · Physics 2024-10-18 Daniel Erkensten , Samuel Brem , Raul Perea-Causin , Ermin Malic

Cubic gauche nitrogen (cg-N) has received wide attention due to its high energy density and environmental friendliness. However, existing synthesis methods for cg-N predominantly rely on the high-pressure techniques, or the utilization of…

Materials Science · Physics 2024-03-12 Yuxuan Xu , Guo Chen , Fei Du , Ming Li , Liangfei Wu , Deyuan Yao , Junfeng Ding , Zhi Zeng , Haiqing Lin , Xianlong Wang