1
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Mirdha RH, Naskar P, Chaudhury P. Structural transformation in $$(\hbox {MgO})_{{{n}}}$$ clusters using a gradient-only strategy and its comparison with a full Hessian-based calculation. INDIAN JOURNAL OF PHYSICS 2021; 95:561-570. [DOI: 10.1007/s12648-020-01724-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 11/25/2019] [Indexed: 07/19/2023]
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2
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Abstract
Knowing the possible structures of individual clusters in nanostructured materials is an important first step in their design. With previous structure prediction data for BaO nanoclusters as a basis, data mining techniques were used to investigate candidate structures for magnesium oxide, calcium oxide and strontium oxide clusters. The lowest-energy structures and analysis of some of their structural properties are presented here. Clusters that are predicted to be ideal targets for synthesis, based on being both the only thermally accessible minimum for their size, and a size that is thermally accessible with respect to neighbouring sizes, include global minima for: sizes
n
=
9
,
15
,
16
,
18
and 24 for (MgO)
n
; sizes
n
=
8
,
9
,
12
,
16
,
18
and 24 for (CaO)
n
; the greatest number of sizes of (SrO)
n
clusters (
n
=
8
,
9
,
10
,
12
,
13
,
15
,
16
,
18
and 24); and for (BaO)
n
sizes of
n
=
8
,
10
and 16.
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3
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Mirdha RH, Naskar P, Chaudhury P. Mapping out reaction paths for conformational changes in (M
g
O)
n
clusters: a study based on a stochastic procedure. Struct Chem 2017. [DOI: 10.1007/s11224-017-1049-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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4
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Feitoza L, Castro MA, Leão SA, Fonseca TL. Electronic and vibrational second hyperpolarizabilities of (MgO) n clusters. J Chem Phys 2017; 146:144309. [PMID: 28411612 DOI: 10.1063/1.4979910] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
In this work, we report results for the static second hyperpolarizability of magnesium oxide clusters including electronic and vibrational contributions. The comparison between second-order Møller-Plesset (MP2) perturbation theory and coupled cluster results to the electronic contribution points out that MP2 is a suitable method to compute this property. When computed at the MP2 level, the electronic contribution per atom converges to approximately 5000 a.u. Vibrational corrections were computed at the MP2 level through the perturbation theoretical method of Bishop and Kirtman. Results obtained showed that the term [α2]0,0 represents around 20% of the electronic counterpart while the term [μβ]0,0 is comparable to it. Modes that contribute significantly to [α2]0,0 are those in which all or part of the bond lengths simultaneously increase and decrease, leading to large polarizability derivatives. In turn, modes that provide relevant contributions to [μβ]0,0 are those in which oxygen anions move in opposite directions to the magnesium cations yielding large derivatives of the dipole moment and first hyperpolarizability.
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Affiliation(s)
- Luan Feitoza
- Instituto de Física, Universidade Federal de Goiás, Campus Samambaia, 74690-900 Goiânia, Goias, Brazil
| | - Marcos A Castro
- Instituto de Física, Universidade Federal de Goiás, Campus Samambaia, 74690-900 Goiânia, Goias, Brazil
| | - Salviano A Leão
- Instituto de Física, Universidade Federal de Goiás, Campus Samambaia, 74690-900 Goiânia, Goias, Brazil
| | - Tertius L Fonseca
- Instituto de Física, Universidade Federal de Goiás, Campus Samambaia, 74690-900 Goiânia, Goias, Brazil
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5
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Shayeganfar F, Beheshtiyan J, Neek-Amal M, Shahsavari R. Electro- and opto-mutable properties of MgO nanoclusters adsorbed on mono- and double-layer graphene. NANOSCALE 2017; 9:4205-4218. [PMID: 28290570 DOI: 10.1039/c6nr08586e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Inspired by recent experiments, the trapping of molecules in 2D materials has gained increasing attention due to the unique ability of the molecules to modulate the electronic and optical properties of 2D materials, which calls for fundamental understanding and predictive design strategies. Herein, we focus on mono- and double-layer graphene encapsulating various MgO clusters and explore their diverse electronic and optical properties using a number of high-level first-principles calculations. By correlating the stability of adsorption, geometry, charge transfer, band structures, optical absorption spectrum, and the van der Waals pressure, our results decode various synergies in electro- and opto-mutable properties of MgO/graphene systems. We found that 2D-MgO flakes on graphene layers exhibit surface polarization effects - in contrast to their isolated neutral flakes - and show a significant charge transfer from graphene to n-doped flakes, breaking the symmetry of graphene layers. We obtained a van der Waals pressure of ∼0.7 (0.9) GPa on bilayer graphene encapsulating MgO nanoclusters, which matches extremely well with experiment. While there is one quantum emission in the visible light region for a single MgO flake, a wide range of visible light is accessible for MgO on mono- and double-layer graphene. Overall, these findings provide new physical insights and design strategies to modulate 2D materials with several applications in optoelectronics while significantly broadening the spectrum of strategies for fabricating new hybrid 2D heterostructures by encapsulating external molecules.
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Affiliation(s)
- Farzaneh Shayeganfar
- Department of Civil and Environmental Engineering, Rice University, Houston, TX 77005, USA. and Institute for Advanced Technologies, Shahid Rajaee Teacher Training University, 16875-163, Lavizan, Tehran, Iran
| | - Javad Beheshtiyan
- Institute for Advanced Technologies, Shahid Rajaee Teacher Training University, 16875-163, Lavizan, Tehran, Iran and Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium
| | - Mehdi Neek-Amal
- Institute for Advanced Technologies, Shahid Rajaee Teacher Training University, 16875-163, Lavizan, Tehran, Iran and Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium
| | - Rouzbeh Shahsavari
- Department of Civil and Environmental Engineering, Rice University, Houston, TX 77005, USA. and Department of Material Science and NanoEngineering, Rice University, Houston, TX 77005, USA and Smalley Institute for Nanoscale Science and Technology, Rice University, Houston, TX 77005, USA
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6
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Samadizadeh M, Peyghan AA, Rastegar SF. DFT studies of Hydrogen adsorption and dissociation on MgO nanotubes. MAIN GROUP CHEMISTRY 2016. [DOI: 10.3233/mgc-150189] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Marjaneh Samadizadeh
- Department of Chemistry, College of Science, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Ali Ahmadi Peyghan
- Young Researchers and Elite club, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Somayeh F. Rastegar
- Young Researchers and Elite club, Central Tehran Branch, Islamic Azad University, Tehran, Iran
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7
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Moradi M. A theoretical study on the adsorption of neutral and zwitterionic glycine on an MgO nanotube. MONATSHEFTE FUR CHEMIE 2015. [DOI: 10.1007/s00706-015-1418-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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8
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Chen M, Felmy AR, Dixon DA. Structures and Stabilities of (MgO)n Nanoclusters. J Phys Chem A 2014; 118:3136-46. [DOI: 10.1021/jp412820z] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Mingyang Chen
- Department
of Chemistry, The University of Alabama, Shelby Hall, Tuscaloosa, Alabama 35487-0336, United States
| | - Andrew R. Felmy
- Fundamental Sciences
Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - David A. Dixon
- Department
of Chemistry, The University of Alabama, Shelby Hall, Tuscaloosa, Alabama 35487-0336, United States
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9
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Structure, spectroscopy and electronic properties of neutral lattice-like (MgO) n clusters: a study based on a blending of DFT with stochastic algorithms inspired by natural processes. Struct Chem 2014. [DOI: 10.1007/s11224-014-0394-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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Structures and Stabilities of Alkaline Earth Metal Oxide Nanoclusters: A DFT Study. ACTA ACUST UNITED AC 2013. [DOI: 10.1155/2013/720794] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The stability orders of a number of alkaline earth oxide cluster isomers (MO)n, M = Mg, Ca, Sr, Ba and 1≤n≥6 have been determined by means of density functional theory studies using the LDA-PWC functional. Among the candidate structures, the hexagonal-ring-based isomers and the slab shapes are found to display similar stabilities. Stacks of hexagonal (MO)3 rings are found to be the slightly preferred growth strategy among the (MgO)6, isomers. In contrast, the slab structures are slightly preferred for the other alkaline metal oxide (MO)6 clusters. An explanation based on packing and aromaticity arguments has been proposed. This study may have important implications for modeling and understanding the initial growth patterns of small nanostructures of alkaline earth metals.
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11
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12
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El-Kelany KE, Ferrabone M, Rérat M, Carbonnière P, Zicovich-Wilson CM, Dovesi R. The electronic structure of MgO nanotubes. An ab initio quantum mechanical investigation. Phys Chem Chem Phys 2013; 15:13296-303. [DOI: 10.1039/c3cp50979f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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13
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Beheshtian J, Peyghan AA, Bagheri Z, Kamfiroozi M. The Alkali Metal Interactions with MgO Nanotubes. B KOREAN CHEM SOC 2012. [DOI: 10.5012/bkcs.2012.33.6.1925] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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14
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Beheshtian J, Ahmadi Peyghan A, Bagheri Z. Ab initio study of NH3 and H2O adsorption on pristine and Na-doped MgO nanotubes. Struct Chem 2012. [DOI: 10.1007/s11224-012-0047-6] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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15
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Haertelt M, Fielicke A, Meijer G, Kwapien K, Sierka M, Sauer J. Structure determination of neutral MgO clusters--hexagonal nanotubes and cages. Phys Chem Chem Phys 2012; 14:2849-56. [PMID: 22252227 DOI: 10.1039/c2cp23432g] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Structural information for neutral magnesium oxide clusters has been obtained by a comparison of their experimental vibrational spectra with predictions from theory. (MgO)(n) clusters with n = 3-16 have been studied in the gas phase with a tunable IR-UV two-color ionization scheme and size-selective infrared spectra have been measured. These IR spectra are compared to the calculated spectra of the global minimum structures predicted by a hybrid ab initio genetic algorithm. The comparison shows clear evidence that clusters of the composition (MgO)(3k) (k = 1-5) form hexagonal tubes, which confirm previous theoretical predictions. For the intermediate sizes (n≠ 3k) cage-like structures containing hexagonal (MgO)(3) rings are identified. Except for the cubic (MgO)(4) no evidence for bulk like structures is found.
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Affiliation(s)
- Marko Haertelt
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
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16
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Lowest-energy structures of (MgO)n (n=2–7) clusters from a topological method and first-principles calculations. COMPUT THEOR CHEM 2012. [DOI: 10.1016/j.comptc.2011.11.015] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Zhang Y, Chen HS, Liu BX, Zhang CR, Li XF, Wang YC. Melting of (MgO)n (n=18, 21, and 24) clusters simulated by molecular dynamics. J Chem Phys 2010; 132:194304. [DOI: 10.1063/1.3425844] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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18
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Migani A, Neyman KM, Illas F, Bromley ST. Exploring Ce[sup 3+]/Ce[sup 4+] cation ordering in reduced ceria nanoparticles using interionic-potential and density-functional calculations. J Chem Phys 2009; 131:064701. [DOI: 10.1063/1.3195063] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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19
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Bromley ST, Moreira IDPR, Neyman KM, Illas F. Approaching nanoscale oxides: models and theoretical methods. Chem Soc Rev 2009; 38:2657-70. [DOI: 10.1039/b806400h] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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20
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Dong R, Chen X, Wang X, Lu W. Structural transition of hexagonal tube to rocksalt for (MgO)3n, 2≤n≤10. J Chem Phys 2008; 129:044705. [DOI: 10.1063/1.2956508] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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21
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Carrasco J, Illas F, Bromley ST. Ultralow-density nanocage-based metal-oxide polymorphs. PHYSICAL REVIEW LETTERS 2007; 99:235502. [PMID: 18233380 DOI: 10.1103/physrevlett.99.235502] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2007] [Indexed: 05/25/2023]
Abstract
For two important metal oxides (MO, M=Mg, Zn) we predict, via accurate electronic structure calculations, that new low-density nanoporous crystalline phases may be accessible via the coalescence of nanocluster building blocks. Specifically, we consider the assembly of cagelike (MO)_{12} clusters exhibiting particularly high gas phase stability, leading to new polymorphs with energetic stabilities rivaling (and sometimes higher) than those of known MO polymorphs.
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Affiliation(s)
- Javier Carrasco
- Dept. Química Física & IQTCUB, Universitat de Barcelona, 08028 Barcelona, Spain
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22
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Kakkar R, Kapoor PN, Klabunde KJ. First principles density functional study of the adsorption and dissociation of carbonyl compounds on magnesium oxide nanosurfaces. J Phys Chem B 2007; 110:25941-9. [PMID: 17181243 DOI: 10.1021/jp0603536] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The adsorption and dissociation of three carbonyl compounds, formaldehyde, acetaldehyde, and acetone, on the magnesium oxide nanosurface, consisting of four stacked (MgO)3 hexagons, is investigated by first principles density functional theory (DFT). In the case of formaldehyde, strongly chemisorbed species, with carboxylate-like structures, are initially formed. These may subsequently undergo heterolytic cleavage of an aldehyde C-H bond to form formate ions involving a surface oxide ion and a hydride ion adsorbed over the magnesium dication [(MgH+)(HCOO-)]. For acetaldehyde, besides this reaction leading to the formation of acetate, the methyl hydrogen of the adsorbed species also tends to attach itself to a surface oxide ion, yielding surface hydroxyl ions and adsorbed [CH2=C(H)OMg]+. These results are in accord with our previous experimental and theoretical results. In particular, the shift of the aldehyde C-H vibration band to higher frequency and the appearance of OH bands in the infrared spectrum are clearly accounted for. For acetone, the mechanism is found to be similar, i.e., a methyl hydrogen shift to yield surface enolate. Again, this is in agreement with experimental studies.
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Affiliation(s)
- Rita Kakkar
- Department of Chemistry, University of Delhi, Delhi-110 007, India.
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23
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Heaton RJ, Madden PA, Clark SJ, Jahn S. Condensed phase ionic polarizabilities from plane wave density functional theory calculations. J Chem Phys 2006; 125:144104. [PMID: 17042576 DOI: 10.1063/1.2357151] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
A method is presented to allow the calculation of the dipole polarizabilities of ions and molecules in a condensed-phase coordination environment. These values will be useful for understanding the optical properties of materials and for developing simulation potentials which incorporate polarization effects. The reported values are derived from plane wave density functional theory calculations, though the method itself will apply to first-principles calculations on periodic systems more generally. After reporting results of test calculations on atoms to validate the procedure, values for the polarizabilities of the oxide ion and various cations in a range of materials are reported and compared with experimental information as well as previous theoretical results.
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Affiliation(s)
- Robert J Heaton
- Chemistry Department, University of Edinburgh, Edinburgh EH9 3JJ, United Kingdom
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24
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Wootton A, Harrowell P. Inorganic Nanotubes Stabilized by Ion Size Asymmetry: Energy Calculations for AgI Clusters. J Phys Chem B 2004. [DOI: 10.1021/jp037760r] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Adam Wootton
- School of Chemistry, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Peter Harrowell
- School of Chemistry, University of Sydney, Sydney, New South Wales 2006, Australia
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25
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Aguado A, Madden PA. Oxide potentials from ab initio molecular dynamics: An assessment of their transferability. J Chem Phys 2003. [DOI: 10.1063/1.1556073] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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26
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Aguado A, Bernasconi L, Madden PA. Interionic potentials from ab initio molecular dynamics: The alkaline earth oxides CaO, SrO, and BaO. J Chem Phys 2003. [DOI: 10.1063/1.1556074] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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27
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28
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Johnston RL, Roberts C. Genetic Algorithms for the Geometry Optimization of Clusters and Nanoparticles. SOFT COMPUTING APPROACHES IN CHEMISTRY 2003. [DOI: 10.1007/978-3-540-36213-5_7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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29
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Wilson M. Structure and phase stability of novel ‘twisted’ crystal structures in carbon nanotubes. Chem Phys Lett 2002. [DOI: 10.1016/s0009-2614(02)01613-5] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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30
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van Heijnsbergen D, von Helden G, Meijer G, Duncan MA. Infrared resonance-enhanced multiphoton ionization spectroscopy of magnesium oxide clusters. J Chem Phys 2002. [DOI: 10.1063/1.1432999] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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31
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32
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Domene C, Fowler PW, Madden PA, Xu J, Wheatley RJ, Wilson M. Short-Range Contributions to the Polarization of Cations. J Phys Chem A 2001. [DOI: 10.1021/jp004173m] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Carmen Domene
- Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, U.K., School of Chemistry, University of Exeter, Stocker Road, Exeter EX4 4QD, U.K, and Department of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - Patrick W. Fowler
- Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, U.K., School of Chemistry, University of Exeter, Stocker Road, Exeter EX4 4QD, U.K, and Department of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - Paul A. Madden
- Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, U.K., School of Chemistry, University of Exeter, Stocker Road, Exeter EX4 4QD, U.K, and Department of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - Jijun Xu
- Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, U.K., School of Chemistry, University of Exeter, Stocker Road, Exeter EX4 4QD, U.K, and Department of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - Richard J. Wheatley
- Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, U.K., School of Chemistry, University of Exeter, Stocker Road, Exeter EX4 4QD, U.K, and Department of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - Mark Wilson
- Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, U.K., School of Chemistry, University of Exeter, Stocker Road, Exeter EX4 4QD, U.K, and Department of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
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33
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34
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Walsh TR, Wilson M, Sutton AP. Hydrolysis of the amorphous silica surface. II. Calculation of activation barriers and mechanisms. J Chem Phys 2000. [DOI: 10.1063/1.1320057] [Citation(s) in RCA: 96] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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35
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Aguado A, López JM. Structures and Stabilities of CaO and MgO Clusters and Cluster Ions: An Alternative Interpretation of the Experimental Mass Spectra. J Phys Chem B 2000. [DOI: 10.1021/jp001530k] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Andrés Aguado
- Departamento de Física Teórica, Universidad de Valladolid, Valladolid 47011, Spain
| | - José M. López
- Departamento de Física Teórica, Universidad de Valladolid, Valladolid 47011, Spain
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36
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37
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Hutchinson F, Walters MK, Rowley AJ, Madden PA. The “ionic” to “molecular” transitions in AlCl3 and FeCl3 as predicted by an ionic interaction model. J Chem Phys 1999. [DOI: 10.1063/1.478480] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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38
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Aguado A, López-Gejo F, López JM. Structures and stabilities of doubly charged (MgO)nMg2+ (n=1–29) cluster ions. J Chem Phys 1999. [DOI: 10.1063/1.478366] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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39
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Jemmer P, Fowler PW, Wilson M, Madden PA. Environmental Effects on Anion Polarizability: Variation with Lattice Parameter and Coordination Number. J Phys Chem A 1998. [DOI: 10.1021/jp982029j] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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40
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Rowley AJ, J̈emmer P, Wilson M, Madden PA. Evaluation of the many-body contributions to the interionic interactions in MgO. J Chem Phys 1998. [DOI: 10.1063/1.476481] [Citation(s) in RCA: 76] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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41
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General Discussion. Faraday Discuss 1997. [DOI: 10.1039/fd106389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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