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Related papers: Monomeric, Two-Dimensionally Ordered WO$_3$ Cluste…

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New monoclinic ($P2$/$c$) tungstates - a medium-entropy tungstate, (Mn,Ni,Cu,Zn)WO$_4$, and a high-entropy tungstate, (Mn,Co,Ni,Cu,Zn)WO$_4$ - were synthesized and characterized. Their phase purity and solid solution nature were confirmed…

Materials Science · Physics 2022-11-03 Georgijs Bakradze , Edmund Welter , Alexei Kuzmin

Tungsten trioxide adopts a variety of structures which can be intercalated with charged species to alter the electronic properties, thus forming `tungsten bronzes'. Similar optical effects are observed upon removing oxygen from WO_3,…

Computational Physics · Physics 2009-11-11 B. Ingham , S. C. Hendy , S. V. Chong , J. L. Tallon

We report on the structure and adsorption properties of Pd$_n$ ($n=1-4$) clusters supported on the rutile TiO$_2$ (110) surfaces with the possible presence of a surface oxygen vacancy or a subsurface Ti-interstitial atom. As predicted by…

Materials Science · Physics 2012-04-12 Jin Zhang , Anastassia N. Alexandrova

Despite being successfully synthesized [Zhang $et$ $al.$, Nat. Mater. \textbf{20}, 1073 (2021)], the monolayer structure of stable hexagonal TiO$_2$ is unknown, and it is not even clear whether it can exist in a freestanding form. Through…

Materials Science · Physics 2024-04-30 Xiangtian Bu , Haitao Liu , Yuanchang Li

Structural calculations and high-resolution infrared spectra are reported for trimers and tetramers containing CO$_2$ together with CO and/or N$_2$. Among the 9 clusters studied here, only (CO$_2$)$_2$-CO was previously observed by…

Atomic and Molecular Clusters · Physics 2022-04-06 A. J. Barclay , A. R. W. McKellar , A. Pietropolli Charmet , N. Moazzen-Ahmadi

We identify putatively maximally dense packings of tangent-sphere trimers with fixed bond angles ($\theta = \theta_0$) using a novel method, and contrast them to the disordered jammed states they form under quasistatic and dynamic athermal…

Soft Condensed Matter · Physics 2019-10-02 Austin D. Griffith , Robert S. Hoy

Polymorphs are distinct structural forms of the same compound and offer unique opportunities to tailor material properties without altering chemical composition. In particular, the polymorphs of WO$_3$ have been widely explored for their…

Crystal structure prediction methods and first-principles calculations have been used to explore low-energy structures of carbon monoxide (CO). Contrary to the standard wisdom, the most stable structure of CO at ambient pressure was found…

Materials Science · Physics 2017-04-06 Kang Xia , Jian Sun , Chris J. Pickard , Dennis D. Klug , Richard J. Needs

We report the infrared spectrum of H$_2$C$_4$-(OCS)$_2$ trimer in the region of the nu1 fundamental vibration of the OCS monomer. The van der Waals complexes are generated in a supersonic slit-jet apparatus and probed using a rapid-scan…

Atomic and Molecular Clusters · Physics 2019-09-04 A. J. Barclay , A. Pietropolli Charmet , N. Moazzen-Ahmadi

We use density functional theory (DFT) calculations to investigate structural models consisting of anatase TiO2(101) slabs covered by reduced overlayers formed by (101) crystallographic shear planes (CSPs). Ab initio thermodynamics supports…

Materials Science · Physics 2018-01-17 Xunhua Zhao , Sencer Selcuk , Annabella Selloni

Using first-principles calculations, we analyze the structural properties of tungsten trioxide WO3 . Our calculations rely on density functional theory and the use of the B1-WC hybrid functional, which provides very good agreement with…

Materials Science · Physics 2016-12-28 Hanen Hamdi , Ekhard K. H. Salje , Philippe Ghosez , Eric Bousquet

Electronic structure of strongly correlated transition metal oxides (TMOs) is a complex phenomenon due to competing interaction among the charge, spin, orbital and lattice degrees of freedom. Often individual compounds are examined to…

Strongly Correlated Electrons · Physics 2018-10-17 Priyadarshini Parida , Ravi Kashikar , Ajit Jena , B. R. K. Nanda

TiO$_2$ and WO$_3$ are two of the most important earth-abundant electronic materials with applications in countless industries. Recently alloys of WO$_3$ and TiO$_2$ have been investigated leading to improvements of key performance…

Tungsten trioxide (WO$_3$) is a paradigmatic electrochromic material, whose peculiar optical properties in the presence of oxygen vacancies or intercalated alkali atoms have been observed and investigated for a long time. In this paper we…

We present a scheme to categorize the structure of different layered phosphorene allotropes by mapping their non-planar atomic structure onto a two-color 2D triangular tiling pattern. In the buckled structure of a phosphorene monolayer, we…

Computational Physics · Physics 2014-11-25 Jie Guan , Zhen Zhu , David Tománek

Magnetic spin topological textures recently found their electrical counterparts in polar topologies emerging from the condensation of inhomogeneous polar atomic distortions. Here, we further extend the concept to other non-polar atomic…

Materials Science · Physics 2025-10-10 Fernando Gómez-Ortiz , Louis Bastogne , Philippe Ghosez

We report the first principle theory-based study of stability, electronic structure and optical properties of cluster assembled materials in various 1D, 2D and 3D nanostructures using a cage-like Cd9Te9 cluster as the super-atom. The bulk…

Mesoscale and Nanoscale Physics · Physics 2022-05-27 Kashinath T Chavan , Sharat Chandra

WO$_3$ is a binary 5d compound which has attracted remarkable attention due to the vast array of structural transitions that it undergoes in its bulk form. In the bulk, a wide range of electronic properties has been demonstrated, including…

We investigate the properties of clusters formed from two connected $\mathrm{Ge_{m}}$ cage-like clusters, such as experimentally synthesized $\mathrm{Au_3Ge_{18}^{5-}}$, using first-principles DFT methods. We focus particularly on…

Mesoscale and Nanoscale Physics · Physics 2015-03-06 Danielle McDermott , Kathie E. Newman

We have investigated the magnetic Co atoms self-assembled on the ultraflat stanene on Cu(111) substrate by utilizing scanning tunneling microscopy/spectroscopy (STM/STS) in conjunction with density functional theory (DFT). By means of…

Materials Science · Physics 2022-02-03 Nitin Kumar , Ye-Shun Lan , Chia-Ju Chen , Yen-Hui Lin , Shih-Tang Huang , Horng-Tay Jeng , Pin-Jui Hsu
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