Direct measurement of the surface dynamics of supercooled liquid-glycerol by optical scanning a film |
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| Authors: | Zhang Fang Zhang Guo-Feng Dong Shuang-Li Sun Jian-Hu Chen Rui-Yun Xiao Lian-Tuan Jia Suo-Tang |
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| Affiliation: | State Key Laboratory of Quantum Optics and Quantum Optics Devices, College of Physics and Electronics Engineering, Shanxi University, Taiyuan 030006, China |
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| Abstract: | The surface dynamics of supercooled liquid-glycerol is studied byscanning the thickness of the glycerol film with single photondetection. Measurements are performed at room temperature well abovethe glycerol's glass transition temperature. It is shown that thesurface dynamics of the glycerol film is very sensitive to thetemperature. The linear relationship between the thickness of thefilm and the viscosity predicted by the Vogel--Fulcher--Tammann--Hesse(VFTH) law is also presented experimentally. |
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| Keywords: | supercooled liquids surfacedynamics viscosity single photon detection |
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