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词汇 Physical adsorption
分类 英语词汇 英语翻译词典
释义

Physical adsorption

英语百科

Physisorption

(重定向自Physical adsorption)
Fig. 1. Schematic illustration of an adsorbed hydrogen atom near a perfect conductor interacting with its image charges.
Table 1. The van der Waals constant Cv and the position of the dynamical image plane Z0 for various rare gases atoms adsorbed on noble metal surfaces obtained by the jellium model. Note that Cv is in eV/Å3 and Z0 in Å.
Fig. 2. Calculated physisorption potential energy for He adsorbed on various jellium metal surfaces. Note that the weak van der Waals attraction forms shallow wells with energy about few meV.[5]

Physisorption, also called physical adsorption, is a process in which the electronic structure of the atom or molecule is barely perturbed upon adsorption.

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