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Reactivity of Aluminum Clusters has been found to exhibit size sensitive variations. This work is motivated by a recent report1 predicting higher reactivity of melted Aluminum clusters towards the N2 molecule as compared to the non-melted…

Materials Science · Physics 2010-06-02 Bhakti S. Kulkarni , Sailaja Krishnamurty , Sourav Pal

We report on the structures of aluminum hydrides derived from a tetrahedral aluminum Al4 cluster using ab initio quantum chemical calculation. Our calculation of binding energies of the aluminum hydrides reveals that stability of these…

Atomic and Molecular Clusters · Physics 2011-09-15 Kazuhide Ichikawa , Yuji Ikeda , Ayumu Wagatsuma , Kouhei Watanabe , Pawel Szarek , Akitomo Tachibana

The nature of the bonding in Li$_3$AlH$_6$ has been re-examined with additional analyses using density-functional calculations. From partial density of states, charge density distribution, charge transfer, electron localization function,…

Materials Science · Physics 2007-05-23 P. Vajeeston , P. Ravindran , A. Kjekshus , H. Fjellvåg

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

The first--principles density functional molecular dynamics simulations have been carried out to investigate the geometric, the electronic, and the finite temperature properties of pure Li clusters (Li$_{10}$, Li$_{12}$) and Al--doped Li…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Mal--Soon Lee , S. Gowtham , Haiying He , Kah--Chun Lau , Lin Pan , D. G. Kanhere

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 study the electronic structure of small lithium clusters Li_n (n=2-8) using the electronic stress tensor. We find that the three eigenvalues of the electronic stress tensor of the Li clusters are negative and degenerate, just like the…

Materials Science · Physics 2015-03-13 Kazuhide Ichikawa , Hiroo Nozaki , Naoya Komazawa , Akitomo Tachibana

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

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 investigate the linear and nonlinear electric polarizabilities of small Al4M4 (M=Li, Na and K) clusters. Quantum chemical calculations reveal that these compounds exhibit an exceptionally high magnitude of linear and nonlinear optical…

Materials Science · Physics 2016-09-28 Ayan Datta , Swapan K. Pati

First-principles density functional calculations reveal that aluminum can form planar chains in zigzag and ladder structures. The most stable one has equilateral triangular geometry with four nearest neighbors; the other stable zigzag…

Materials Science · Physics 2009-11-07 Prasenjit Sen , S. Ciraci , A. Buldum , Inder P. Batra

In this paper we report the structure of the Li4Ge4 cluster as a function of charge transfer and polarizability. We find that for small charge transfer (Q < 0.5) this cluster has the expected cubic structure: a Ge4 tetrahedron with a Li ion…

Materials Science · Physics 2007-05-23 W. Geertsma

We present a detailed investigation of static dipole polarizability of lithium clusters containing up to 22 atoms. We first build a database of lithium clusters by optimizing several candidate structures for the ground state geometry for…

Materials Science · Physics 2007-11-13 Rajendra R. Zope , Tunna Baruah , Mark R. Pederson

The structural, electronic and magnetic properties of Co$_n$ clusters ($n=2-$20) have been investigated using density functional theory within the pseudopotential plane wave method. An unusual hexagonal growth pattern has been observed in…

Atomic and Molecular Clusters · Physics 2015-05-13 S. Datta , M. Kabir , S. Ganguly , B. Sanyal , T. Saha-Dasgupta , A. Mookerjee

Structural and electronic properties of ternary clusters AlkTilNim, where k, l, and m are integers and k + l + m = 4 are investigated. These clusters are generated and studied by performing a two-stage density functional theory (DFT)…

Atomic and Molecular Clusters · Physics 2018-11-01 Pin Wai Koh , Tiem Leong Yoon , Thong Leng Lim , Yee Hui Robin Chang

The structural, electronic and magnetic properties of small ${\rm Fe}_m {\rm Rh}_n$ clusters having $N = m+n \leq 8$ atoms are studied in the framework of a generalized-gradient approximation to density-functional theory. For $N = m+n \leq…

Materials Science · Physics 2012-01-31 Junais Habeeb Mokkath , G. M. Pastor

In this work we have applied the recently formulated self-compressed inhomogeneous stabilized jellium model [M. Payami and T. Mahmoodi, Can. J. Phys. {\bf 89}, 967 (2011)] to describe the equilibrium electronic and geometric properties of…

Materials Science · Physics 2017-09-22 M. Payami , T. Mahmoodi

Intramolecular electron transfer capability of all metal aromatic and anti-aromatic aluminum cluster compounds is studied in terms of density functional theory based global and local reactivity descriptors. This study will provide important…

Soft Condensed Matter · Physics 2007-05-23 D. R. Roy , V. Subramanian , P. K. Chattaraj

The optimized structure and electronic properties of neutral and singly charged magnesium clusters have been investigated using ab initio theoretical methods based on density-functional theory and systematic post-Hartree-Fock many-body…

Atomic and Molecular Clusters · Physics 2009-09-29 Andrey Lyalin , Ilia A Solov'yov , Andrey V Solov'yov , Walter Greiner

Tight-binding molecular dynamics simulated annealing technique is employed to search for the ground state geometries of silicon clusters containing 11-17 atoms. These studies revealed that layer formation is the dominant growth pattern in…

chem-ph · Physics 2009-10-28 Atul Bahel , Jun Pan , Mushti V. Ramakrishna
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