نتایج جستجو برای: intermolecular attractive force
تعداد نتایج: 257684 فیلتر نتایج به سال:
The intermolecular interaction energy components for several molecular complexes were calculated using force fields available in the AMBER suite of programs and compared with Density Functional Theory-Symmetry Adapted Perturbation Theory (DFT-SAPT) values. The extent to which such comparison is meaningful is discussed. The comparability is shown to depend strongly on the intermolecular distance...
Abstract The influence of corrosion upon the nanoscale topography and friction response a hydrogenated amorphous carbon film (a-C:H) was investigated. Electrochemical atomic force microscopy used to characterise topographical changes coating at two oxidative potentials. Corrosion 1.5 V (corrosion rate 0.5 nm h−1) resulted in no topography; whereas 2.5 V 26.4 nm h−1) caused root mean square roug...
by considering the fact that the surface tension of a real fluid arises from a combination of both repulsive and attractive forces between molecules, a new expression for the interfacial tension has been derived from scaled particle theory (spt) based on the work of cavity formation and the interaction energy between molecules. at the critical temperature, the interfacial tension between coexi...
We report novel molecular compound formation from silane-hydrogen mixtures with intermolecular interactions unprecedented for hydrogen-rich solids. A complex H_{2} vibron spectrum with anticorrelated pressure-frequency dependencies and a striking H-D exchange below 10 GPa reveal strong and unusual attractive interactions between SiH_{4} and H_{2} and molecular bond destabilization at remarkably...
among the intermolecular interactions, the casimir and van der waals forces are the most important forces that highly affect the behavior of nanostructures. this paper studies the effect of such forces on the adhesion of cantilever freestanding nanostructures. the nanostructures are made of a freestanding nano-beam which is suspended between two upper and lower conductive surfaces. the linear s...
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