PbSe、PbS 和 PbS0,5Se0,5 薄膜的 X 射线衍射和拉曼散射特性

IF 1.2 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Chalcogenide Letters Pub Date : 2024-05-15 DOI:10.15251/cl.2024.215.377
S. N. Yasinova, S. Mekhtiyeva, M.H. Huseynaliyev, R. Alekberov
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引用次数: 0

摘要

通过 X 射线衍射和拉曼光谱方法研究了 PbSe、PbS 和 PbS0.5Se0.5 薄膜的结构特性以及声子对光的组合散射机制。X 射线衍射结果表明,所研究物质的薄层中发现的晶粒大小为纳米级,变化区间为 d~10.7 ÷ 30.8 纳米。据测定,与在低波数区域观察到的散射带相比,纳米粒子尺寸较大的 PbSe0.5S0.5 样品的散射带转移到了大波数区域。
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Properties of X-ray diffraction and Raman scattering in PbSe, PbS and PbS0,5Se0,5 thin films
Structural properties of PbSe, PbS and PbS0.5Se0.5 thin films and mechanisms of combinational scattering of light from phonons were studied by X-ray diffraction and Raman spectroscopy methods. The results of X-ray diffraction show that the crystallite sizes found in the thin layers of the studied substances are in the order of nanometers and vary in the interval d~10.7 ÷ 30.8 nm. It was determined that the scattering bands of the PbSe0.5S0.5 sample with large nanoparticle sizes shift to the region of large wave numbers compared to the scattering bands observed in the region of low wave numbers.
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来源期刊
Chalcogenide Letters
Chalcogenide Letters MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED
CiteScore
1.80
自引率
20.00%
发文量
86
审稿时长
1 months
期刊介绍: Chalcogenide Letters (CHL) has the aim to publish rapidly papers in chalcogenide field of research and appears with twelve issues per year. The journal is open to letters, short communications and breakings news inserted as Short Notes, in the field of chalcogenide materials either amorphous or crystalline. Short papers in structure, properties and applications, as well as those covering special properties in nano-structured chalcogenides are admitted.
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