Hyperfine interactions in nanocrystalline Fe-Al alloys

被引：35

作者：

Jartych, E

Zurawicz, JK

Oleszak, D

Pekala, M

机构：

[1] Tech Univ Lublin, Inst Phys, Dept Expt Phys, PL-20618 Lublin, Poland

[2] Warsaw Univ Technol, Dept Mat Sci & Engn, PL-02524 Warsaw, Poland

[3] Warsaw Univ, Dept Chem, PL-02089 Warsaw, Poland

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1998年 / 10卷 / 22期

关键词：

D O I：

10.1088/0953-8984/10/22/017

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Nanocrystalline powder samples of Fe-30 at% Al, Fe-40 at.% Al and Fe-50 at.% Al alloys were prepared by the mechanical alloying method. X-ray diffraction studies indicated that the solid solution with bce structure was formed with increasing milling time for all investigated compositions. The magnetic ordering temperature T-c of the nanocrystalline mechanically synthesized alloys was larger than that of the corresponding alloys on a micrometric scale. The magnetization curves as well as the Mossbauer spectra revealed that the Fe-Al alloys formed during the low energy ball milling process contained different magnetic phases.

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页码：4929 / 4936

页数：8

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