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Showing 1 to 12 of 82 entries
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Communication: A novel implementation to compute MP2 correlation energies without basis set superposition errors and complete basis set extrapolation.

The Journal of chemical physics

Dixit A, Claudot J, Lebègue S, Rocca D.
PMID: 28595409
J Chem Phys. 2017 Jun 07;146(21):211102. doi: 10.1063/1.4985096.

By using a formulation based on the dynamical polarizability, we propose a novel implementation of second-order Møller-Plesset perturbation (MP2) theory within a plane wave (PW) basis set. Because of the intrinsic properties of PWs, this method is not affected...

Huge excitonic effects in layered hexagonal boron nitride.

Physical review letters

Arnaud B, Lebègue S, Rabiller P, Alouani M.
PMID: 16486604
Phys Rev Lett. 2006 Jan 20;96(2):026402. doi: 10.1103/PhysRevLett.96.026402. Epub 2006 Jan 18.

The all-electron GW approximation energy band gap of bulk hexagonal boron nitride is shown to be of indirect type. The resulting computed in-plane polarized optical spectrum, obtained by solving the Bethe-Salpeter equation for the electron-hole two-particle Green function, is...

Correlated electrons step by step: itinerant-to-localized transition of fe impurities in free-electron metal hosts.

Physical review letters

Carbone C, Veronese M, Moras P, Gardonio S, Grazioli C, Zhou PH, Rader O, Varykhalov A, Krull C, Balashov T, Mugarza A, Gambardella P, Lebègue S, Eriksson O, Katsnelson MI, Lichtenstein AI.
PMID: 20366500
Phys Rev Lett. 2010 Mar 19;104(11):117601. doi: 10.1103/PhysRevLett.104.117601. Epub 2010 Mar 15.

High-resolution photoemission spectroscopy and ab initio calculations have been employed to analyze the onset and progression of d-sp hybridization in Fe impurities deposited on alkali metal films. The interplay between delocalization, mediated by the free-electron environment, and Coulomb interaction...

Characterization of 27 microsatellite loci in the European flat oyster Ostrea edulis.

Molecular ecology resources

Lallias D, Stockdale R, Boudry P, Beaumont AR, Lapègue S.
PMID: 21564805
Mol Ecol Resour. 2009 May;9(3):960-3. doi: 10.1111/j.1755-0998.2009.02515.x. Epub 2009 Feb 05.

The flat oyster Ostrea edulis is native to Europe and populations have been severely depleted by the parasite Bonamia ostreae since the 1980s. Additional genetic markers are required to improve population genetics study and linkage map development for selection...

Population genomics shed light on the demographic and adaptive histories of European invasion in the Pacific oyster, Crassostrea gigas.

Evolutionary applications

Rohfritsch A, Bierne N, Boudry P, Heurtebise S, Cornette F, Lapègue S.
PMID: 24187588
Evol Appl. 2013 Nov;6(7):1064-78. doi: 10.1111/eva.12086. Epub 2013 Jul 24.

Crassostrea gigas originated from the Pacific coast of Asia, but was introduced into several European countries in the early 1970s. Natural populations have now spread across the length of the western seaboard of Europe. To elucidate the demographic and...

Syntheses, structures, and electronic properties of Ba3FeUS6 and Ba3AgUS6.

Inorganic chemistry

Mesbah A, Malliakas CD, Lebègue S, Sarjeant AA, Stojko W, Koscielski LA, Ibers JA.
PMID: 24564267
Inorg Chem. 2014 Mar 17;53(6):2899-903. doi: 10.1021/ic4026574. Epub 2014 Feb 24.

The compounds Ba3FeUS6 and Ba3AgUS6 have been synthesized by the reactions of BaS, U, S, and M (= Fe or Ag) at 1223 K. These two isostructural compounds crystallize in the K4CdCl6 structure type in the trigonal system in...

Complete mitochondrial DNA sequence of the European flat oyster Ostrea edulis confirms Ostreidae classification.

BMC research notes

Danic-Tchaleu G, Heurtebise S, Morga B, Lapègue S.
PMID: 21989403
BMC Res Notes. 2011 Oct 12;4:400. doi: 10.1186/1756-0500-4-400.

BACKGROUND: Because of its typical architecture, inheritance and small size, mitochondrial (mt) DNA is widely used for phylogenetic studies. Gene order is generally conserved in most taxa although some groups show considerable variation. This is particularly true in the...

The flexible Ba7UM2S12.5O0.5 (M = V, Fe) compounds: syntheses, structures and spectroscopic, resistivity, and electronic properties.

Inorganic chemistry

Mesbah A, Stojko W, Malliakas CD, Lebègue S, Clavier N, Ibers JA.
PMID: 24107107
Inorg Chem. 2013 Oct 21;52(20):12057-63. doi: 10.1021/ic401871x. Epub 2013 Oct 09.

Two new compounds, Ba7UV2S12.5O0.5 and Ba7UFe2S12.5O0.5, have been synthesized in fused-silica tubes by the direct combinations of V or Fe with U, BaS, and S at 1223 K. The compound Ba7UV2S12.5O0.5 crystallizes at 100 K in the Cs7Cd3Br17 structure...

Two-dimensional silicon and carbon monochalcogenides with the structure of phosphorene.

Beilstein journal of nanotechnology

Rocca D, Abboud A, Vaitheeswaran G, Lebègue S.
PMID: 28690969
Beilstein J Nanotechnol. 2017 Jun 29;8:1338-1344. doi: 10.3762/bjnano.8.135. eCollection 2017.

Phosphorene has recently attracted significant interest for applications in electronics and optoelectronics. Inspired by this material an ab initio study was carried out on new two-dimensional binary materials with a structure analogous to phosphorene. Specifically, carbon and silicon monochalcogenides...

An ab initio study of the electronic structure of indium and gallium chalcogenide bilayers.

The Journal of chemical physics

Ayadi T, Debbichi L, Said M, Lebègue S.
PMID: 28938806
J Chem Phys. 2017 Sep 21;147(11):114701. doi: 10.1063/1.4997233.

Using first principle calculations, we have studied the structural and electronic properties of two dimensional bilayers of indium and gallium chalcogenides. With density functional theory corrected for van der Waals interactions, the different modes of stacking were investigated in...

Benchmarking the performance of approximate van der Waals methods for the structural and energetic properties of SiO.

The Journal of chemical physics

Fischer M, Kim WJ, Badawi M, Lebègue S.
PMID: 30849891
J Chem Phys. 2019 Mar 07;150(9):094102. doi: 10.1063/1.5085394.

Density functional theory (DFT) calculations using sixteen different approaches, fourteen of which were designed to include dispersion interactions [DFT + D and van der Waals (vdW)-DF methods], were performed for a set of sixteen framework compounds with either SiO

uMBD: A Materials-Ready Dispersion Correction That Uniformly Treats Metallic, Ionic, and van der Waals Bonding.

Journal of the American Chemical Society

Kim M, Kim WJ, Gould T, Lee EK, Lebègue S, Kim H.
PMID: 31920085
J Am Chem Soc. 2020 Feb 05;142(5):2346-2354. doi: 10.1021/jacs.9b11589. Epub 2020 Jan 24.

Materials design increasingly relies on first-principles calculations for screening important candidates and for understanding quantum mechanisms. Density functional theory (DFT) is by far the most popular first-principles approach due to its efficiency and accuracy. However, to accurately predict structures...

Showing 1 to 12 of 82 entries