Results 111 to 120 of about 6,241,670 (306)

Modulating the reactivity of Ni-containing Pt(111)-skin catalysts by density functional theory calculations

open access: yes, 2008
We present here a first principles density functional theory investigation of the reactivity of Pt(111)-skin catalysts, which are varied from surface alloys with Ni to bulk Pt(x)Ni(1-x) (x=0.25,0.50,0.75) alloys.
Su, Hai-Yan   +4 more
core   +1 more source

Density-functional-theory calculations of second-order magnetic properties [PDF]

open access: yes, 2009
To concluse, the work presented in this thesis is a contribution to the understanding and testing of DFT functionals (and also other computational methods) for the calculation of second-order magnetic properties.
Lutnæs, Ola Berg
core   +1 more source

Structure and binding in halide perovskites: Analysis of static and dynamic effects from dispersion-corrected density functional theory

open access: yesAPL Materials, 2019
We investigate the impact of various levels of approximation in density functional theory calculations for the structural and binding properties of the prototypical halide perovskite MAPbI3. Specifically, we test how the inclusion of different correction
H. Beck, C. Gehrmann, D. A. Egger
doaj   +1 more source

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

open access: yesFEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge   +6 more
wiley   +1 more source

Investigation of the microscopic behavior of Mott insulators by means of the density functional theory and many-body methods [PDF]

open access: yes, 2012
The objective of this work is twofold. First, we explore the performance of the density functional theory (DFT) when it is applied to solids with strong electronic correlations, such as transition metal compounds.
Foyevtsova, Kateryna
core  

Artificial molecular machines and motors—Design and control of nanoscale motion

open access: yesFEBS Letters, EarlyView.
Molecules are constantly moving because of thermal fluctuations, but random motion alone cannot be exploited to perform directional tasks. Artificial molecular machines use chemical, electrical, or light energy to bias this motion. Molecular shuttles, rotary motors, and supramolecular pumps illustrate how nanoscale movement can be controlled and ...
Leonardo Andreoni, Alberto Credi
wiley   +1 more source

Methanol adsorption in isomorphously substituted AlPO-34 clusters and periodic density functional theory calculations

open access: yes, 2008
Methanol adsorption in isomorphously substituted MAPO-34 (M = Mn, Zn, Mg, Si, Ti, or Zr) zeolite clusters was investigated, and periodic density functional theory (DFT) calculations were carried out.
韩克利   +4 more
core   +1 more source

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