Correlating the optical property evolution in the Au-Ni binary thin films: From metastable solid solution to phase separated alloy
Correlating the optical property evolution in the Au-Ni binary thin films: From metastable solid solution to phase separated alloy
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关联 Au-Ni 二元薄膜的光学特性演变:从亚稳态固溶体到相分离合金
DOI:
10.1016/j.jallcom.2019.04.207
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发表时间:
2019
影响因子:
6.2
通讯作者:
Rack, Philip D.
中科院分区:
文献类型:
--
作者:
Collette, Robyn;Wu, Yueying;Rack, Philip D.
In this study, the optical properties of Au1-xNixalloy thin films are investigated by employing a combinatorial sputtering approach. The dielectric function is measured using spectroscopic ellipsometry and is correlated to the composition, determined by energy dispersive spectroscopy, and phases present, determined via x-ray diffraction. As-deposited alloys form a metastable solid solution, however, annealed alloys exhibited phase separation into Au-rich and Ni-rich phases due to the large miscibility gap in the Au-Ni material system. The optical properties are then rationalized by modeling the dielectric function of the solid solution alloys with a Drude-Critical Point analytical model. Lastly, the efficacy of the model is demonstrated which shows that the dielectric function of the phase separated alloys can be approximated using a composition-weighted average of two solid solution dielectric functions.
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DOI:
--
发表时间:
1976
期刊:
影响因子:
--
作者:
D. Beaglehole;C. Kunz
通讯作者:
C. Kunz
DOI:
--
发表时间:
2001
期刊:
影响因子:
--
作者:
Weikun Luo;Zhanpeng Jin;Huashan Liu;Tao Wang
通讯作者:
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影响因子:
2.1
作者:
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通讯作者:
M. Cortie
影响因子:
1.9
作者:
J Orosco;C. Coimbra
通讯作者:
C. Coimbra
影响因子:
9
作者:
Rioux, David;Vallieres, Simon;Meunier, Michel
通讯作者:
Meunier, Michel