Laser-stimulated desorption of potassium atoms

  • Desorption of K atoms by laser-excitation of surface plasmons in small K particles is reported. The desorption rate has been measured for different laser wavelengths and particle sizes. Time-of-flight measurements reveal a kinetic energy of the desorbed atoms of Ekin=0.13(3) eV. From the experimental data it is concluded that the desorption mechanism is non-thermal in nature. Comparison of the results reported here with our earlier work on Na desorption is made.

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Author:W. Hoheisel, Michael Vollmer, F. Träger
Parent Title (English):In: Applied physics / A Vol. 52 (1991) 6, 445-447
Document Type:Article
Year of Publishing:1991
Date of Publication (online):2014/01/10
Release Date:2014/01/10
University Bibliography:Hochschulbibliographie
Licence (German):Creative Commons - Namensnennung, Nicht kommerziell, Keine Bearbeitung