کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7991519 | 1516142 | 2018 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Structural and melting properties of Cu-Ni clusters: A simulation study
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
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چکیده انگلیسی
The structures, stability, magnetism and the melting behaviors of CumNin (m+n = 13) spherical clusters are studied by density functional theory for the future application. In CumNin clusters structures, the rule for the atomic distribution of icosahedral structure is that Cu atoms distribute on the surface of clusters and Ni atoms distribute in the center sites. Moreover, it is found that Cu12Ni with highly symmetry structure exhibits unique magnetic property with the magnetic moment of 1.81 μB·atomâ1. For the melting behaviors, the results of mean square displacements, self-diffusion coefficient, radial distribution function, potential energy and heat capacity are used to monitor the phase transformation. Meanwhile, the size effects of the Cu-Ni spherical clusters on the melting temperature are validated by the Cu-Ni phase diagram and other theoretical models.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 752, 5 July 2018, Pages 76-84
Journal: Journal of Alloys and Compounds - Volume 752, 5 July 2018, Pages 76-84
نویسندگان
T.T. Li, C. He, W.X. Zhang, M. Cheng,