Vibrational effects on Ag(110) studied by neutral impact-collision ion scattering

被引：10
|
作者：
Bracco, G
Pizzorno, A
Tatarek, R
机构：
[1] CNR, IST NAZL FIS MAT, DIPARTIMENTO FIS, I-16146 GENOA, ITALY
[2] CNR, CFSBT, DIPARTIMENTO FIS, I-16146 GENOA, ITALY
[3] IST FIS INGN, I-16100 GENOA, ITALY
来源：
SURFACE SCIENCE | 1997年 / 377卷 / 1-3期
关键词：
low index crystal surfaces; low energy ion scattering (LEIS); silver; surface vibrations;
D O I：
10.1016/S0039-6028(96)01370-2
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Results on the Ag(110) thermal behavior in the 350-700 K temperature range are reported. The data were obtained by the impact-collision ion-scattering technique with neutral detection recently set up in a new apparatus for surface studies. In particular, the analysis was carried out on the focusing peak between nearest neighbors in the first atomic plane along the [110] and [001] directions to investigate the behavior of the mean square displacements of surface atoms. Up to 600 K, the vibrations were found to be harmonic and a surface Debye temperature of (140 +/- 15) K was estimated. Moreover, the data were compared with available theoretical results on the anharmonic vibrations of Ag(110) and good agreement was found.
引用
收藏
页码：94 / 97
页数：4
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