PREFERENTIAL SPUTTERING OF PT-NI ALLOY SINGLE-CRYSTALS STUDIED BY SCANNING-TUNNELING-MICROSCOPY

被引：29

作者：

SCHMID, M

BIEDERMANN, A

SLAMA, C

STADLER, H

WEIGAND, P

VARGA, P

机构：

[1] Institut für Allgemeine Physik, Technische Universität Wien

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1993年 / 82卷 / 02期

关键词：

D O I：

10.1016/0168-583X(93)96028-B

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Due to its composition, the altered layer of preferentially sputtered alloys has a lattice constant different from that of the bulk. This lattice mismatch can lead to the formation of dislocations or reconstructions, which have been studied on different crystallographic faces. While a subsurface dislocation network exists on the (111) plane, parallel dislocations are found below the (110) surface. The (100) surface exhibits a shifted-row reconstruction, which is tentatively attributed to the stress induced by lattice mismatch between the bulk and the Pt-enriched surface. The annealing process of the sputtered Pt25Ni75(111) surface is studied in detail by evaluation of the mismatch dislocations and low energy ion scattering data.

引用

页码：259 / 268

页数：10

共 36 条

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