期刊
SURFACE SCIENCE
卷 474, 期 1-3, 页码 L197-L202出版社
ELSEVIER
DOI: 10.1016/S0039-6028(00)01053-0
关键词
atomic force microscopy; electron stimulated desorption (ESD); alkali halides; surface defects
The first steps of electron irradiation induced modification of a KBr(1 0 0) surface have been studied by dynamic force microscopy with atomic resolution. Rectangular pits of monatomic depth with not more than one kink site per pit have been found. The atomic structure of KBr(1 0 0) is preserved at the bottom of the pits. Possible deexcitation and desorption mechanisms are discussed based on these results. (C) 2001 Elsevier Science B.V. All rights reserved.
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