Surface core-level shift and AFM study of the galena (100) surface

被引：4

作者：

Leiro, JA ^{[1
]}

Laajalehto, K

Peltoniemi, MS

Torhola, M

Szczerbakow, A

机构：

[1] Univ Turku, Dept Phys, Mat Sci Lab, FIN-20014 Turku, Finland

[2] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland

来源：

SURFACE AND INTERFACE ANALYSIS | 2002年 / 33卷 / 12期

关键词：

surface; PbS; surface core-level shift; XPS; AFM;

D O I：

10.1002/sia.1508

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：

The core-level S 2p and Pb 5d spectra of galena (natural PbS) single crystals have been investigated using synchrotron radiation. Comparison between a synthetic PbS and a mineral galena has been made and the former gave broader S 2p lines than the latter. In both samples a strong broadening of the line was observed when the temperature was increased. Also, the surface core-level shift (SCLS) was slightly smaller for the synthetic sample. No shift was found for the Pb 5d lines. The atomic force microscopy (AFM) study of the mineral (100) surface showed that only one type of atom (most likely sulphur) is visible, in agreement with Heinzelmann et al. Copyright (C) 2002 John Wiley Sons, Ltd.

引用

页码：964 / 967

页数：4

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