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冷却率相关的椭偏仪测量确定薄膜玻膜的动力学

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Chemistry

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JoVE Journal Chemistry

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films

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冷却率相关的椭偏仪测量确定薄膜玻膜的动力学

DOI:

10.3791/53499-v

•

09:32 min

•

January 26, 2016

•

Ethan C. Glor, Zahra Fakhraai

¹Department of Chemistry,University of Pennsylvania

Chapters

00:05Title
00:56Film Preparation and Film Thickness Determination
04:06Cooling Rate Dependent Glass Transition Temperature Measurements
06:59Results: Finding the Glass Transition Temperature and Analyzing the Average Film Dynamics of 110 nm Polystyrene
08:28Conclusion

Summary

Automatic Translation

在这里，我们提出了一个协议，用于冷却速率取决于椭圆光度法实验，可确定玻璃化转变_温度（Tg），平均动力学，脆性和超冷却的液体的膨胀系数和玻璃用于各种玻璃状材料。

Tags

Ellipsometry Thin Films Glass Transition Temperature Polymer Glasses Spin Coating Film Thickness Ellipsometric Angles

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