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Pulsed‐laser induced desorption and subsequent readsorption in ambient gas

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Herminghaus,  Stephan
Group Granular matter and irreversibility, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Holler, G., Albrecht, U., Herminghaus, S., & Leiderer, P. (1993). Pulsed‐laser induced desorption and subsequent readsorption in ambient gas. Applied Physics Letters, 62(22), 2877-2879. doi:10.1063/1.109187.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0029-B61A-0
Abstract
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.