Calculations of the surface temperature rise and desorption temperature in laser-induced thermal desorption

D. B. Burgess; P. C. Stair; E. Weitz

doi:10.1116/1.573571

Calculations of the surface temperature rise and desorption temperature in laser-induced thermal desorption

D. B. Burgess, P. C. Stair, E. Weitz

Northwestern University

Research output: Contribution to journal › Article › peer-review

132 Citations (Scopus)

Abstract

The laser-induced thermal desorption (LITD) process is discussed with reference to measurements of the translational energies (temperatures) of desorbed molecules. We present simple expressions which predict both the surface temperature rise for a laser-heated surface and the desorption temperature in LITD. We show that these approximations are excellent descriptions of the laser heating and LITD processes. These expressions are convenient alternatives to numerical solutions of the heat conduction and desorption rate equations using the actual shape of a laser pulse and specific combinations of kinetic parameters.

Original language	English
Pages (from-to)	1362-1366
Number of pages	5
Journal	Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume	4
Issue number	3
DOIs	https://doi.org/10.1116/1.573571
Publication status	Published - May 1986

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films

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AB - The laser-induced thermal desorption (LITD) process is discussed with reference to measurements of the translational energies (temperatures) of desorbed molecules. We present simple expressions which predict both the surface temperature rise for a laser-heated surface and the desorption temperature in LITD. We show that these approximations are excellent descriptions of the laser heating and LITD processes. These expressions are convenient alternatives to numerical solutions of the heat conduction and desorption rate equations using the actual shape of a laser pulse and specific combinations of kinetic parameters.

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