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Title:X -Ray Diffraction Rotational Microrheology
Author(s):Liang, Mengning
Doctoral Committee Chair(s):Robinson, Ian K.
Department / Program:Physics
Discipline:Physics
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):Physics, Condensed Matter
Abstract:Rotational single particle tracking microrheology can be used to find the storage and dissipative behavior of viscoelastic fluids of much higher viscosity than translational single particle tracking. The technique of X-ray diffraction rotational tracking has the ability to track the rotational motion of single crystals to a resolution of 80murad with a time resolution of 0.02 seconds. Rotational microrheology studies of single crystal Alumina tracer particles suspended in liquid decanoic acid show subdiffusive behavior transitioning towards diffusive behavior with a crossover time of 20-50 sec. The same system shows superdiffusive motion in the solid state below the glass transition temperature of the decanoic acid.
Issue Date:2008
Type:Text
Language:English
Description:94 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008.
URI:http://hdl.handle.net/2142/80596
Other Identifier(s):(MiAaPQ)AAI3347437
Date Available in IDEALS:2015-09-25
Date Deposited:2008


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