Search Results - "Vach, Holger"

Formation of Silicene Nanosheets on Graphite by De Crescenzi, Maurizio, Berbezier, Isabelle, Scarselli, Manuela, Castrucci, Paola, Abbarchi, Marco, Ronda, Antoine, Jardali, Fatme, Park, Jejune, Vach, Holger

“…The extraordinary properties of graphene have spurred huge interest in the experimental realization of a two-dimensional honeycomb lattice of silicon, namely,…”
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The potentially crucial role of quasi-particle interferences for the growth of silicene on graphite by Jardali, Fatme, Lechner, Christoph, De Crescenzi, Maurizio, Scarselli, Manuela, Berbezier, Isabelle, Castrucci, Paola, Vach, Holger

“…A comprehensive picture of the initial stages of silicene growth on graphite is drawn. Evidence is shown that quasiparticle interferences play a crucial role…”
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Electric Field-Induced Nano-Assembly Formation: First Evidence of Silicon Superclusters with a Giant Permanent Dipole Moment by Jardali, Fatme, Tran, Jacqueline, Liège, Frédéric, Florea, Ileana, Leulmi, Mohamed E, Vach, Holger

“…The outstanding properties of silicon nanoparticles have been extensively investigated during the last few decades. Experimental evidence and applications of…”
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Symmetric and irregular aromatic silicon nanoclusters by Vach, Holger

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Terahertz and gigahertz emission from an all-silicon nanocrystal by Vach, Holger

“…Based on first-principles calculations, we predict the use of pure silicon nanocrystals as nano-oscillators in the giga- and terahertz region. Small- and…”
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Ultrastable Silicon Nanocrystals due to Electron Delocalization by Vach, Holger

“…We report a new nanocrystalline form of silicon that gives birth to pure hydrogenated silicon nanocrystals that absorb light in the ultraviolet, visible, and…”
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Electron-Deficiency Aromaticity in Silicon Nanoclusters by Vach, Holger

“…Aromaticity in silicon-containing molecules has been a controversy for more than a century. Combining molecular dynamics simulations with ab initio…”
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Adsorption of atomic hydrogen on defect sites of graphite: Influence of surface reconstruction and irradiation damage by Lechner, Christoph, Baranek, Philippe, Vach, Holger

“…The influence of surface reconstruction and defects due to irradiation damage on the trapping of hydrogen in nuclear graphite has been investigated at the ab…”
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A comment on “The interaction of [formula omitted] (X = F, Cl, and Br) with active sites of graphite” [Xu et al., Chem. Phys. Lett., 418, 413 (2006)] by Lechner, Christoph, Baranek, Philippe, Vach, Holger

“…[Display omitted] •The chemisorption of the halogens F2, Cl2, and Br2 on the active sites of graphite is reevaluated.•Major differences are found with respect…”
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A comment on “The interaction of X 2 (X = F, Cl, and Br) with active sites of graphite” [Xu et al., Chem. Phys. Lett., 418, 413 (2006)] by Lechner, Christoph, Baranek, Philippe, Vach, Holger

“…A comment on "The interaction of X2 (X = F, Cl, and Br) with active sites of graphite" [Xu et al., Chem. Abstract In their article, Xu et al. [1] present the…”
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Van der Waals Heteroepitaxy of Air-Stable Quasi-Free-Standing Silicene Layers on CVD Epitaxial Graphene/6H-SiC by Ben Jabra, Zouhour, Abel, Mathieu, Fabbri, Filippo, Aqua, Jean-Noel, Koudia, Mathieu, Michon, Adrien, Castrucci, Paola, Ronda, Antoine, Vach, Holger, De Crescenzi, Maurizio, Berbezier, Isabelle

“…Graphene, consisting of an inert, thermally stable material with an atomically flat, dangling-bond-free surface, is by essence an ideal template layer for van…”
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Effects of an epitaxial graphene layer for the growth of nickel silicides on a Ni(111) substrate by Ronci, Fabio, Colonna, Stefano, Flammini, Roberto, De Crescenzi, Maurizio, Scarselli, Manuela, Salvato, Matteo, Berbezier, Isabelle, Vach, Holger, Castrucci, Paola

“…In this paper, we report on an in-depth study on the growth of nickel silicides, either on a clean Ni(111) substrate or in the presence of a previously-grown…”
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Deposition Dynamics of Hydrogenated Silicon Clusters on a Crystalline Silicon Substrate under Typical Plasma Conditions by Ning, Ning, Vach, Holger

“…We have studied the deposition dynamics of hydrogenated silicon clusters on a silicon substrate for various cluster sizes and impact energies. The results show…”
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First-principles study on the role of silicon point defects on PERC solar cell degradation by Tejeda-Zacarias, Elisa, Baranek, Philippe, Vach, Holger

“…One of the causes of decrease in the performance of silicon-based solar pannels is linked to light and elevated temperature induced degradation (LeTID). Even…”
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First-Principles Study of the Structural, Electronic, Dynamic, and Mechanical Properties of HOPG and Diamond: Influence of Exchange–Correlation Functionals and Dispersion Interactions by Lechner, Christoph, Pannier, Baptiste, Baranek, Philippe, Forero-Martinez, Nancy C, Vach, Holger

“…Various properties of two polymorphs of carbon, highly oriented pyrolytic graphite (HOPG) and diamond, were investigated at the ab initio level using different…”
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First-principles investigation of the coupling-induced dissociation of methane and its transformation to ethane and ethylene by Varghese, Jithin John, Saravanan, Bharathi, Vach, Holger, Peslherbe, Gilles H., Mushrif, Samir H.

“…[Display omitted] •Novel bimolecular coupling induced mechanism for CH bond dissociation of methane.•Direct formation of ethane and hydrogen radicals via a…”
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Raman investigation of air-stable silicene nanosheets on an inert graphite surface by Castrucci, Paola, Fabbri, Filippo, Delise, Tiziano, Scarselli, Manuela, Salvato, Matteo, Pascale, Sara, Francini, Roberto, Berbezier, Isabelle, Lechner, Christoph, Jardali, Fatme, Vach, Holger, De Crescenzi, Maurizio

“…The fascinating properties of two dimensional (2D) crystals have gained increasing interest for many applications. The synthesis of a 2D silicon structure,…”
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High graphene permeability for silicon atoms during deposition at room temperature: the role of defects by Ronci, F., Colonna, S., Flammini, R., de Crescenzi, M., Scarselli, M., Salvato, M., Berbezier, I., Jardali, F., Lechner, C., Pochet, P., Vach, Holger, Castrucci, P.

“…Graphene (Gr) is known to be an excellent barrier preventing atoms and molecules to diffuse through it. This is due to the carbon atom arrangement in a…”
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High graphene permeability for room temperature silicon deposition: The role of defects by Ronci, F., Colonna, S., Flammini, R., De Crescenzi, M., Scarselli, M., Salvato, M., Berbezier, I., Jardali, F., Lechner, C., Pochet, P., Vach, H., Castrucci, P.

“…Graphene (Gr) is known to be an excellent barrier preventing atoms and molecules to diffuse through it. This is due to the carbon atom arrangement in a…”
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Hydrogen-Mediated CVD Epitaxy of Graphene on SiC: Implications for Microelectronic Applications by Ben Jabra, Zouhour, Berbezier, Isabelle, Michon, Adrien, Koudia, Mathieu, Assaf, Elie, Ronda, Antoine, Castrucci, Paola, De Crescenzi, Maurizio, Vach, Holger, Abel, Mathieu

“…Despite the large body of literature reporting on the growth of graphene (Gr) on 6H–SiC(0001) by chemical vapor deposition (CVD), some important issues have…”
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