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In this work, we use density functional theory (DFT) to investigate the structural and electronic properties of B$_7$Y$_2$ clusters -- boron frameworks doped with two yttrium atoms. Our results show that the most stable configuration adopts…

Materials Science · Physics 2025-04-29 Peter Ludwig Rodríguez-Kessler

In this work, we employ density functional theory (DFT) to explore the structure of boron clusters doped with two chromium atoms (B$_7$Cr$_2$). The results show that the most stable structure is a bipyramidal configuration formed by a B$_7$…

Materials Science · Physics 2024-07-31 P. L. Rodríguez-Kessler

In this work, we employ density functional theory (DFT) to explore the structure of boron clusters doped with two aluminium atoms (B$_7$Al$_2$ or Al$_2$B$_7$). The results show that the most stable structure is a bipyramidal configuration…

Materials Science · Physics 2024-09-30 Peter Ludwig Rodríguez-Kessler

The theoretical formalism of the local density approximation (LDA) to density functional theory (DFT) has been used to study the electronic and geometric structures of SimCn (1<=m, n<=4;n<=m) clusters. An all electron 6-311++G** basis set…

Atomic and Molecular Clusters · Physics 2007-05-23 Prachi Pradhan , Asok K. Ray

In this study, we investigate effects of boron substitution on the structural and electronic properties of small tungsten clusters using density functional theory (DFT). We construct a series of tungsten boride clusters by replacing…

Materials Science · Physics 2025-12-17 Akshata M. Waghmare , Sajeev S. Chacko , Balasaheb J. Nagare

The structural stability, electronic structure, and bonding characteristics of the silver-doped boron cluster B18Ag2 were investigated using density functional theory (DFT) combined with global optimization techniques. Basin-hopping…

Materials Science · Physics 2026-04-29 Peter Ludwig Rodríguez-Kessler

The structural and electronic properties of the doubly calcium-doped boron cluster B$_{18}$Ca$_2$ have been systematically investigated using density functional theory calculations. Basin-hopping searches reveal that B$_{18}$Ca$_2$ adopts a…

Materials Science · Physics 2026-01-06 P. L. Rodríguez-Kessler

The charge, bonding, and optical properties of the calcium-doped boron cluster B$_7$Ca$_2$ have been systematically investigated using density functional theory calculations. Extensive global basin-hopping searches identify a single-ring…

Materials Science · Physics 2026-03-04 Peter Ludwig Rodríguez-Kessler

We use density functional theory (DFT) to study the thermodynamic stability and migration of copper ions and small clusters embedded in amorphous silicon dioxide. We perform the calculations over an ensemble of statistically independent…

Materials Science · Physics 2015-06-11 David M. Guzman , Nicolas Onofrio , Alejandro Strachan

In this work, the vibrational and electronic properties of Al$_{12}$M (Zn, Cu) clusters are investigated using density functional theory (DFT) calculations. The results indicate that the clusters favor low-spin states when evaluated with…

Materials Science · Physics 2024-08-30 Peter Ludwig Rodríguez-Kessler

A systematic study of the structural, electronic, and optical properties of cage-like boron clusters, with the number of constituent atoms ranging from 20 to 122, has been carried out within the framework of density-functional theory (DFT),…

Materials Science · Physics 2025-12-24 Kashinath T. Chavan , Ihsan Boustani , Alok Shukla

We have investigated the lowest-energy structures and electronic properties of the Au$_n$(n=2-20) clusters based on density functional theory (DFT) with local density approximation. The small Au$_n$ clusters adopt planar structures up to…

Atomic and Molecular Clusters · Physics 2009-11-07 Jinlan Wang , Guanghou Wang , Jijun Zhao

The first-principle prediction of nanocluster stable structure is often hampered by the existence of many isomer configurations with energies close to the ground state. This fact attaches additional importance to many-electron effects going…

Mesoscale and Nanoscale Physics · Physics 2018-10-04 N. L. Matsko , Yu. A. Uspenskii , E. V. Tikhonov , V. S. Baturin , S. V. Lepeshkin

The putative ground-state structures of 13-atom Cu and Ag clusters have been studied using ${\it ab \: initio}$ molecular-dynamics (AIMD) simulations based on the density-functional theory (DFT). An ensemble of low-energy configurations,…

Disordered Systems and Neural Networks · Physics 2019-10-02 Dil K. Limbu , Michael U. Madueke , Raymond Atta-Fynn , David A. Drabold , Parthapratim Biswas

Using density functional theory (DFT) and quantum Monte Carlo (QMC) calculations we show that the B12Hn and B12Fn (n = 0-4) quasi-planar structures are energetically more favorable than the corresponding icosahedral clusters. Moreover, we…

Mesoscale and Nanoscale Physics · Physics 2021-09-21 N. Gonzalez Szwacki , C. J. Tymczak

Based on crystal chemistry rationale and calculations within the density functional theory DFT, the U:B system is complemented with additional binary compounds UB3, U2B6, and UB6 possessing two-dimensional 2D and 3D boron substructures.…

Materials Science · Physics 2020-02-18 Samir F. Matar

Boron (B) containing III-nitride materials, such as wurtzite (B,Ga)N alloys, have recently attracted significant interest to tailor the electronic and optical properties of optoelectronic devices operating in the visible and ultraviolet…

Materials Science · Physics 2023-08-16 Cara-Lena Nies , Thomas P. Sheerin , Stefan Schulz

The energetics of mixing and defect ordering in solid solutions of fluorite-structured ThO$_{2}$ with oxides of trivalent cations (Sc, In, Y, Nd, La) are investigated by electronic density-functional-theory (DFT). Through DFT calculations…

Materials Science · Physics 2010-11-19 Vitaly Alexandrov , Niels Gronbech-Jensen , Alexandra Navrotsky , Mark Asta

Molybdenum clusters, characterised by their unique structure and intriguing catalytic properties, have gained significant attention in recent years. In several existing studies density functional theory (DFT) methods have been used to find…

Materials Science · Physics 2023-10-03 Yao Wei , Lev Kantorovich

Compositional effects in NaK alloy clusters have been studied using bond order length strength notation and density functional theory calculations. The results reveal binding energy shifts of the NaK alloy clusters under different elemental…

Materials Science · Physics 2019-08-08 Jing Zhao , Maolin Bo
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