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Citation: Zhang Sheng-Tao, Xie Zhao-Ming, Sun Da-Gui, Tao Chang-Yuan, Pan Fu-Sheng. Study on Mathamatical and Physical Model of Graze Ellipsometry[J]. Acta Physico-Chimica Sinica, ;2002, 18(11): 985-988. doi: 10.3866/PKU.WHXB20021105 shu

Study on Mathamatical and Physical Model of Graze Ellipsometry

1.
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing　400044

Received Date: 29 January 2002
Available Online: 15 November 2002

Characteristics and change rule of an electrode process can be reflected by in-situ graze ellipsometric parameters. The mathematical and physical model of the graze ellipsometry has been put forward by combining the model of diffusion layer in electrochemical reaction with graze ellipsometry experiments. The physicochemical meaning of ellipsometry parameters Δ and Ψ has been explained. The diffusion layer near the electrode is equivalent to a phase retarder and an amplitude absorber. The influence of the concentration of electroactive substance and diameter of spot of the incidence light on Δ and Ψ is discussed with reference to experiment results.
- Graze ellipsometry;Electrochemical reaction;Diffusion layer;Phase retarding;Amplitude absorbing
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