Lattice dynamics of the Ni(977) surface

被引：6
|
作者：
Witte, G [1 ]
Toennies, JP [1 ]
机构：
[1] MAX PLANCK INST STROMUNGSFORSCH,D-37073 GOTTINGEN,GERMANY
来源：
PHYSICAL REVIEW B | 1997年 / 55卷 / 03期
关键词：
D O I：
10.1103/PhysRevB.55.1395
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In a recent Letter, Mele and Pykhtin [Phys. Rev. Lett. 75, 3878 (1995)] presented a calculation of the surface dynamics of the vicinal Ni(977) surface based on continuum elastic theory that they have used to explain recent inelastic He-atom scattering phonon data obtained by Niu et al. [Science 268, 847 (1995)]. We have calculated the lattice dynamics of this surface in the framework of a microscopic force-constant model that gives the entire surface-phonon dispersion curves and provides detailed insight into the origin and character of the step-localized phonon modes.
引用
收藏
页码：1395 / 1397
页数：3
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