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Features of the Phase Composition of Films Prepared by the Simultaneous Electric Arc Sputtering of Graphite and Chromium from Two Evaporators
Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques ( IF 0.5 ) Pub Date : 2021-04-20 , DOI: 10.1134/s1027451021010249
Z. M. Khamdokhov , Z. Kh. Kalazhokov , A. V. Naumkin , B. S. Karamurzov , Kh. Kh. Kalazhokov , V. A. Tarala , S. O. Krandievsky

Abstract—The phase composition of a film obtained by the method of the simultaneous electric arc sputtering of graphite and chromium from two evaporators is studied by Raman and X-ray photoelectron spectroscopy. Analysis of the chemical state of atoms by X-ray photoelectron spectroscopy is performed before and after cleaning the surface of the film by bombardment with argon ions. Raman spectroscopy reveals amorphous carbon and graphite nanoparticles in the film. Taking into account the dependence of the ratio of the intensities of the D and G peaks in the spectrum on the size of crystallites, the linear size of carbon nanostructures is estimated as ~6 nm. According to X-ray photoelectron spectroscopy, the formation of chromium carbide in the film with a stoichiometry of Cr6.8C3.2, which is close to the stoichiometry of Cr7C3 heptachromium tricarbide, as well as Cr2O3, Cr–O–C and Cr(OH)3 chromium oxides, is found.



中文翻译:

由两个蒸发器同时进行石墨和铬的电弧溅射制备的薄膜的相组成特征

摘要—用拉曼光谱和X射线光电子能谱研究了通过同时从两个蒸发器进行石墨和铬的电弧溅射方法获得的薄膜的相组成。在通过用氩离子轰击清洁膜的表面之前和之后,通过X射线光电子能谱分析原子的化学状态。拉曼光谱法揭示了薄膜中的无定形碳和石墨纳米粒子。考虑到DG强度比的依赖性在微晶尺寸的光谱峰上,碳纳米结构的线性尺寸估计为〜6 nm。根据X射线光电子能谱,在化学计量为Cr 6.8 C 3.2的膜中形成碳化铬,这与Cr 7 C 3七碳化铬以及Cr 2 O 3,Cr–O的化学计量相近。发现了–C和Cr(OH)3氧化铬。

更新日期:2021-04-20
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