FREE VOLUMES IN THE QUASI-CRYSTALLINE DECAGONAL AL-CU-CO PHASE AND IN THE ADJACENT CRYSTALLINE PHASES STUDIED BY POSITRON LIFETIME MEASUREMENTS

被引：12

作者：

WURSCHUM, R ^{[1
]}

GRUSHKO, B ^{[1
]}

URBAN, K ^{[1
]}

SCHAEFER, HE ^{[1
]}

机构：

[1] FORSCHUNGSZENTRUM JULICH GMBH,INST FESTKORPERFORSCH,D-52425 JULICH,GERMANY

来源：

PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES | 1994年 / 70卷 / 04期

关键词：

D O I：

10.1080/01418639408240261

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Vacancy-type volumes have been studied in the Al-Cu-Co decagonal quasicrystalline phase as well as in the neighbouring crystalline compounds of CsCl, Al3Ni2, and Al13Co4 type by means of positron lifetime measurements. In the decagonal phase, larger free volumes appear than in the crystalline phases of adjacent compositions. The free volumes are discussed in terms of structural vacancies of the intermetallic compounds studied.

引用

页码：913 / 917

页数：5

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