The relationship between atomic structure and magnetic property of amorphous Fe78Si9B13 alloy at different pressures

Li, X.X.; Wang, Jun Gang; Qin, Jingyu; Dong, Bangshao

doi:10.1016/j.jmmm.2017.07.068

Cited by 16 publications

(1 citation statement)

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“…Liquid-solid transition is an important process and quite significant to the solidification structure. Understanding the local structure of stable melts is important to understand the crystallization from the melt and the properties of the liquid [18,19]. The investigation to the liquid structure of Au-Cu alloy may shed light on the study of its phase transition in the solid state and extend its applications.…”

Section: Introductionmentioning

confidence: 99%

Structure Evolution of Au50Cu50 Alloy from Melt to the Disordered Solid Solution

Bai

Zhao

Bian

et al. 2020

MSF

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The liquid local structure of Au50Cu50 solid solution was detected by high-temperature X-ray diffraction experiment and Reverse Monte Carlo (RMC) simulation. The clusters in the liquid Au50Cu50 alloy comprise the 12-coordinated polyhedron with Au center, which was the same as the clusters in the liquid pure Au. In the case of alloying, there was a high population of Au-Au bonds, and the local structure around Cu atoms was changed. In the case of solidification, the 12-coordinated clusters around Au atoms were preserved into the AuCu alloy, forming the disordered solid solution structure. The strong tendency for Cu-Cu bonds was weakened from 2.35 Å in the liquid to 2.81 Å in the solid solution, and the local structure around Cu atoms rearranges. It is shown that the liquid structure of the Au50Cu50 alloy plays a crucial role in the solid solution. Our findings elucidate that the disordered solid solution structure in AuCu alloy stems from the highly dominated 12-coordinated clusters associated with centered Au atom in the melt.

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Section: Introductionmentioning

confidence: 99%