Reference : Observation of a threshold in potential sputtering of LiF surfaces

	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a journal
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Physics
	To cite this reference:	http://hdl.handle.net/10993/17409

Title :	Observation of a threshold in potential sputtering of LiF surfaces
Language :	English
Author, co-author :	Hayderer, G. [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institut für Allgemeine Physik]
	Lemell, C. [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institute for Theoretical Physics]
	Wirtz, Ludger [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institute for Theoretical Physics]
	Schmid, M. [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institut für Allgemeine Physik]
	Burgdorfer, J. [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institute for Theoretical Physics]
	Varga, P. [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institut für Allgemeine Physik]
	Winter, H. P. [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institut für Allgemeine Physik]
	Aumayr, F. [Technische Universität Wien = Vienna University of Technology - TU Vienna > Institut für Allgemeine Physik]
Publication date :	2000
Journal title :	Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms
Publisher :	Elsevier Science
Volume :	164
Pages :	517-521
Peer reviewed :	Yes (verified by ORBilu)
Audience :	International
ISSN :	0168-583X
e-ISSN :	1872-9584
City :	Amsterdam
Country :	The Netherlands
Event name :	18th International Conference on Atomic Collisions in Solids (ICACS-18) Odense DENMARK
Event date :	AUG 03-08, 1999
Abstract :	[en] A quartz-crystal microbalance technique is used for measuring total sputtering yields for LiF under impact of slow (20 eV, 100 eV, 500 eV and 1000 eV kinetic energy) singly and doubly charged ions. At low kinetic energies (less than or equal to 100 eV) potential sputtering (PS) (i.e., sputtering due to the projectiles potential energy) clearly dominates over kinetically induced sputtering. New insight into the mechanisms for PS is gained by determining the minimum potential energy necessary to induce PS. The measured potential energy threshold at around 10 eV provides evidence that PS can already be induced by the production of cold holes in the valence band of LiF via resonant neutralisation. (C) 2000 Elsevier Science B.V. All rights reserved.
Permalink :	http://hdl.handle.net/10993/17409
DOI :	10.1016/S0168-583X(99)01070-8
Commentary :	AUG 03-08, 1999 18th International Conference on Atomic Collisions in Solids (ICACS-18) Odense DENMARK

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