Pulsed-laser induced desorption and subsequent readsorption in ambient gas | Zendy

Gregor Holler | Zendy; Uwe Albrecht | Zendy; Stephan Herminghaus | Zendy; P. Leǐderer | Zendy

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Pulsed-laser induced desorption and subsequent readsorption in ambient gas

Author(s) -

Gregor Holler,

Uwe Albrecht,

Stephan Herminghaus,

P. Leǐderer

Publication year - 1993

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.109187

Subject(s) - desorption , ambient pressure , thermal desorption , helium , diffusion , chemistry , carbon dioxide , analytical chemistry (journal) , chemical physics , outgassing , gaseous diffusion , laser , materials science , thermodynamics , adsorption , environmental chemistry , optics , electrode , physics , organic chemistry

We have investigated the phenomenon of readsorption after pulsed‐laser induced thermal desorption during the presence of ambient gas. The temporal evolution of the readsorption of water has been measured as a function of the ambient gas pressure for helium and carbon‐dioxide atmospheres. CO2pressures above 10 mbar lead to a virtually complete readsorption of the desorbed material. A model based on a nearly one‐dimensional diffusion scheme explains this remarkable result

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