Short- and medium-range ordering in Al3Mn amorphous alloy prepared by magnetron sputtering

被引：0
|
作者：
Kawamata, T. [1 ]
Sugiyama, K. [1 ,2 ]
机构：
[1] Tohoku Univ, Inst Mat Res IMR, Sendai, Miyagi 9808577, Japan
[2] Tohoku Univ, Int Ctr Synchrotron Radiat Innovat Smart SRIS, Sendai, Miyagi 9808577, Japan
来源：
10TH INTERNATIONAL CONFERENCE ON APERIODIC CRYSTALS, APERIODIC 2022 | 2023年 / 2461卷
关键词：
D O I：
10.1088/1742-6596/2461/1/012017
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The structure of the Al3Mn amorphous alloy synthesized by magnetron sputtering was investigated using a combination of anomalous X-ray scattering and reverse Monte Carlo simulations. The geometrical features in the short- and medium-range regions around Mn were significantly different from those inferred by the dense random packing of the hard-sphere model, suggesting that the environmental structure around Mn is influenced by chemical interactions similar to those realized in the crystalline Al3Mn structure. The present advanced analysis also indicated that the medium-range ordering structure corresponding to a pre-peak signal in the Xray diffraction profiles was because of the Al-Mn and Mn-Mn correlations accompanied by the modulation of number density and non-Bernal-type coordination geometry.
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页数：6
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