Spectrophotometric analysis of a high-temperature phase transition in lead tetroxide Pb3O4

被引：0
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作者：
V. T. Avanesyan
E. G. Vodkailo
K. A. Chursina
机构：
[1] Herzen State Pedagogical University of Russia,
来源：
Optics and Spectroscopy | 2014年 / 117卷
关键词：
Reflection Coefficient; Spectral Dependence; Diffuse Reflection Spectrum; High Temperature Phase; Lead Oxide;
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摘要：
We have investigated the influence of a phase transition in polycrystalline layers of lead tetroxide Pb3O4 on their diffuse reflection spectra in the wavelength range of 380–700 nm. We have determined differences in the character of the spectral dependences of the reflection coefficient and surface morphology that are related to the formation of a new high-temperature phase. We have determined values of the optical band gap from analysis of the diffuse reflection spectra of this metal oxide semiconductor compound under normal conditions and after its transition from the tetragonal to an orthorhombic modification.
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页码：411 / 413
页数：2
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