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Related papers: Structure and Bonding in Small Neutral Alkali-Hali…

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Dissociation and fission of small neutral, singly and doubly charged strontium clusters are studied by means of ab initio density functional theory methods and high-resolution time-of-flight mass spectrometry. Magic numbers for small…

Atomic and Molecular Clusters · Physics 2009-09-29 A. Lyalin , A. V. Solov'yov , C. Brechignac , W. Greiner

We present a comprehensive density functional theory (DFT) study of Mo-doped silver clusters Ag$_n$Mo ($n=1$-14), focusing on their structural, electronic, and bonding properties. Global optimization reveals an evolution from planar and…

Materials Science · Physics 2025-09-04 Samantha Ortega-Flores , Peter Ludwig Rodríguez-Kessler

Water clusters are known to form through hydrogen bonding. However, this study shows that the formation of very small water clusters significantly deviates from this mechanism and instead involves both hydrogen bonding and electron…

Atomic and Molecular Clusters · Physics 2013-12-17 Bo Wang , Minsi Xin , Xing Dai , Ruixia Song , Yan Meng , Zhigang Wang , Ruiqin Zhang

Electronic structures of carbides with the rocksalt structure were calculated by full potential electronic codes solving the Kohn-Sham equation. Bonding characters were analyzed by constructing tight-binding Hamiltonian based on…

Materials Science · Physics 2012-11-09 Wenxu Zhang , Zhida Song , Bin Peng , Wanli Zhang

An expansion of energy characteristics of wide thin slab of thickness L in power of 1/L is constructed using the free-electron approximation and the model of a potential well of finite depth. Accuracy of results in each order of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 V. V. Pogosov , V. P. Kurbatsky , E. V. Vasyutin

Global minimum structures of neutral (Fe2O3)n clusters with n = 1-5 were determined employing the genetic algorithm in combination with ab initio parameterized interatomic potentials and subsequent refinement at the density functional…

Materials Science · Physics 2024-05-30 Andreas Erlebach , Carolin Hühn , Richard Jana , Marek Sierka

Hybridization of atomic orbitals is a widely appreciated phenomenon whose impact on the structure and properties of, for example, organic molecules is well-established. Here, we demonstrate that hybridization also dramatically impacts the…

Chemical Physics · Physics 2012-02-03 Anastassia N. Alexandrova

We study the formation and growth of equilibrium clusters in a suspension of weakly-charged colloidal particles and small non-adsorbing polymers. The effective potential is characterised by a short-range attraction and a long-range…

Soft Condensed Matter · Physics 2009-11-11 Rodrigo Sanchez , Paul Bartlett

We report a first principles study based on density functional theory on the structural and electronic properties of transition metal Zr and Hf doped small aluminum clusters with 1 to 7 aluminum atoms. We have used B3PW91 with LANL2DZ basis…

Materials Science · Physics 2018-06-28 Hardik L. Kagdada , Shweta D. Dabhi , Venu Mankad , Satyam M. Shinde , Prafulla K. Jha

We calculate cohesive properties of LiF, NaF, KF, LiCl, NaCl, and KCl with ab-initio quantum chemical methods. The coupled-cluster approach is used to correct the Hartree-Fock crystal results for correlations and to systematically improve…

Materials Science · Physics 2009-10-30 Klaus Doll , Hermann Stoll

The structure of a single alanine-based Ace-AEAAAKEAAAKA-Nme peptide in explicit aqueous electrolyte solutions (NaCl, KCl, NaI, and KF) at large salt concentrations (3-4 M) is investigated using 1 microsecond molecular dynamics (MD)…

Biological Physics · Physics 2008-08-29 Joachim Dzubiella

Both even- and odd-numbered neutral carbon clusters Cn (n = 2-10) are systematically studied using the energy minimization method and the modified Brenner potential for the carbon-carbon interactions. Many stable configurations were found…

Materials Science · Physics 2009-11-13 D. P. Kosimov , A. A. Dzhurakhalov , F. M. Peeters

In a recent study by Kornath et al. [J. Chem. Phys. 118 (2003) 6957], the Li_n clusters with n=2, 4 and 8 have been isolated in argon matrices at 15 K and characterized by Raman spectroscopy. This has prompted us to carry out a theoretical…

Chemical Physics · Physics 2009-09-29 A. Grassi , G. M. Lombardo , G. G. N. Angilella , N. H. March , R. Pucci

In the present work, the low-lying structures of 20 different-sized water clusters are extensively searched using the artificial bee colony algorithm with TIP4P classical force field. To obtain the lowest equilibrium geometries, we select…

Atomic and Molecular Clusters · Physics 2024-11-04 Vishwa K. Bhatt , Sajeev S. Chacko , Nitinkumar M. Bijewar , Balasaheb J. Nagare

We present a systematic study of the geometries, energetics, electronic structure and bonding in various Al-Li clusters viz. AlnLin ($n$=1-11), Al$_2^-$, Al$_2^{2-}$, Al$_2$Li, Al$_2$Li$^-$, and Al6Li8 using Born-Oppenheimer molecular…

Atomic and Molecular Clusters · Physics 2009-11-10 S. Chacko , D. G. Kanhere , V. V. Paranjape

The static response properties and the structural stability of silver clusters in the size range $1\le n \le 23$ have been studied using a linear combination of atomic Gaussian-type orbitals within the density functional theory in the…

Atomic and Molecular Clusters · Physics 2009-11-13 M. Pereiro , D. Baldomir

The magnetic structures of small clusters of Fe, Mn, and Cr supported on a Cu(111) surface have been studied with non-collinear first principles theory. Different geometries such as triangles, pyramids and wires are considered and the…

We study the structure of clusters in a model colloidal system with competing interactions using Brownian dynamics simulations. A short-ranged attraction drives clustering, while a weak, long-ranged repulsion is used to model electrostatic…

Soft Condensed Matter · Physics 2010-10-05 Alex Malins , Stephen R. Williams , Jens Eggers , Hajime Tanaka , C. Patrick Royall

The properties of neutral and anionic Pd_N clusters were investigated with spin-density-functional calculations. The ground state structures are three-dimensional for N>3 and they are magnetic with a spin-triplet for 2<=N<=7 and a spin…

Atomic and Molecular Clusters · Physics 2009-11-07 M. Moseler , H. Hakkinen , R. N. Barnett , U. Landman

The emergence of CsCl bulk structure in (CsCl)nCs+ cluster ions is investigated using a mixed quantum-mechanical/semiempirical theoretical approach. We find that rhombic dodecahedral fragments (with bulk CsCl symmetry) are more stable than…

Atomic and Molecular Clusters · Physics 2009-11-06 Andres Aguado