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相关论文: Inverse Sandwich Geometry and Stability of B$_7$Y$…

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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$_7$…

材料科学 · 物理学 2024-07-31 P. L. Rodríguez-Kessler

In this study, we employ density functional theory (DFT) to investigate the structural and electronic properties B$_8$Cu$_3^-$ clusters -- boron-based frameworks doped with three copper atoms. The results indicate that the lowest-energy…

材料科学 · 物理学 2025-05-22 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…

材料科学 · 物理学 2024-09-30 Peter Ludwig 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…

材料科学 · 物理学 2026-03-04 Peter Ludwig Rodríguez-Kessler

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…

材料科学 · 物理学 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…

材料科学 · 物理学 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…

材料科学 · 物理学 2026-01-06 P. L. 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),…

材料科学 · 物理学 2025-12-24 Kashinath T. Chavan , Ihsan Boustani , Alok Shukla

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…

原子与分子团簇 · 物理学 2007-05-23 Prachi Pradhan , Asok K. Ray

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…

材料科学 · 物理学 2015-06-11 David M. Guzman , Nicolas Onofrio , Alejandro Strachan

We investigate the equilibrium geometries and the systematics of bonding in various isomers of a 24-atom boron cluster using Born-Oppenheimer molecular dynamics within the framework of density functional theory. The isomers studied are the…

原子与分子团簇 · 物理学 2009-11-10 S. Chacko , D. G. Kanhere , I. Boustani

We have investigated the stability and conductivity of unsupported, two dimensional infinite gold nanowires using ab-initio density functional theory (DFT). Two dimensional ribbon like nanowires, with 1-5 rows of gold atoms in the…

介观与纳米尺度物理 · 物理学 2016-10-05 Vikas Kashid , Vaishali Shah , H. G. Salunke

Density functional theory methods are applied to investigate the properties of the new superconductor $\beta$-YbAlB$_4$ and its polymorph $\alpha$-YbAlB$_4$. We utilize the generalized gradient approximation + Hubbard U (GGA+U) approach…

强关联电子 · 物理学 2015-03-17 D. A. Tompsett , Z. P. Yin , G. G. Lonzarich , W. E. Pickett

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…

原子与分子团簇 · 物理学 2009-11-07 Jinlan Wang , Guanghou Wang , Jijun Zhao

Understanding the atomic structure and energetic stability of ferrite-cementite interfaces is essential for optimizing the mechanical performance of steels, especially under extreme conditions such as those encountered in nuclear fusion…

材料科学 · 物理学 2025-06-09 Pablo Canca , Chu-Chun Fu , Christophe J. Ortiz , Blanca Biel

Herein, the structure and stability of double icosahedron Ag$_{17}$M$_2$ (M = Ni, Cu, Zn) clusters are investigated using density functional theory (DFT) computations. The results indicate that the clusters favor endohedral configurations…

原子与分子团簇 · 物理学 2025-03-10 Peter Ludwig Rodríguez-Kessler

We consider a system of particles interacting via a purely repulsive, soft-core potential recently introduced to model effective pair interactions between dendrimers, which is expected to lead to the formation of crystals with multiple…

软凝聚态物质 · 物理学 2015-05-11 Davide Pini

Density functional theory calculations have been performed on Indium nanoclusters (Inn, n= 3 to 10) to explore the relative stability among their different isomers and interaction with H2. Geometry optimizations starting from initial…

化学物理 · 物理学 2017-06-07 Mirza Wasif Baig , Akhtar Hussain , Idrees Ahmad , Muhammad Siddiq

The structure and stability of small hydrogen clusters adsorbed on graphene is studied by means of Density Functional Theory (DFT) calculations. Clusters containing up to six H atoms are investigated systematically -- the clusters having…

介观与纳米尺度物理 · 物理学 2015-05-27 Zeljko Sljivancanin , Mie Andersen , Liv Hornekaer , Bjork Hammer

Spin-polarized DFT has been used to perform a comprehensive study of the geometric structures and electronic properties for isolated M4X4 nano-clusters between their two stable isomers - a planar rhombus-like 2D structure and a cubane-like…

介观与纳米尺度物理 · 物理学 2015-12-29 Soumendu Datta , Badiur Rahaman
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