Grazing Incidence Diffraction of keV Helium Atoms on a Ag(110) Surface

被引：65

作者：

Bundaleski, N. ^{[1
]}

Khemliche, H. ^{[1
]}

Soulisse, P. ^{[1
]}

Roncin, P. ^{[1
]}

机构：

[1] Univ Paris 11, Collis Atom & Mol Lab, CNRS, UMR 8625, F-91405 Orsay, France

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.101.177601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Diffraction of fast atoms at grazing incidence has been recently demonstrated on the surface of alkali halides and wide band gap semiconductors, opening applications for the online monitoring of surface processes such as growth of ultrathin layers. This Letter reports energy resolved diffraction of helium on Ag(110) metal surface showing that a band gap is not mandatory to restrict the decoherence due to electron-hole pair excitations by the keV projectile. Measurement of the energy loss, which is in the eV range, sheds light on the scattering process.

引用

页数：4

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