STRUCTURAL EFFECTS ON THE PB(110) SURFACE BETWEEN 160-K AND 580-K OBSERVED BY LOW-ENERGY ION-SCATTERING

被引：23

作者：

SPELLER, S

SCHLEBERGER, M

NIEHOF, A

HEILAND, W

机构：

[1] Fachbereich Physik, Universität Osnabrück

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 68卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.68.3452

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Low-energy ion scattering and surface channeling is used to study structural changes of the Pb(110) surface. There is experimental evidence for point defects (vacancies) formed at 160 K, step and/or adatom formation at 270 K, and liquidlike surface phase at 580 K. In the neutral impact collision ion scattering spectrometry mode a thermal expansion of the [110BAR] surface lattice constant of 10% at 400 K is measured.

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页码：3452 / 3455

页数：4

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