Approach to the atomic structure of amorphous Al-Fe-Nb

被引：18

作者：

Audebert, F ^{[1
]}

Sirkin, H ^{[1
]}

Escorial, AG ^{[1
]}

机构：

[1] UNIV BUENOS AIRES, FAC INGN, RA-1063 BUENOS AIRES, DF, ARGENTINA

来源：

PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES | 1997年 / 76卷 / 04期

关键词：

D O I：

10.1080/01418639708241113

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The atomic structure and the glass-forming ability of amorphous Al-Fe-Nb have been explored in this study. The study has been carried out by means of scattering vector analysis of the structure factor obtained from X-ray spectra. The X-ray spectra show a pre-peak in the structure factor, which is attributed to chemical short-range order, together with the main amorphous peak. The average interatomic distances Al-TM (TM = transition metal) and Al-Al are shortened, and the strong interaction between Al and Fe must be responsible for the short-range order. The atomic size ratio criterion is discussed below, and it is proposed that the short-range order could be similar to the order of the quasicrystalline icosahedral phase in the Al-Fe-X alloys.

引用

页码：483 / 487

页数：5

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