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The Effect of an Applied Electric Field on Filament Stiffness

Mark Arsenault, Hui Zhao, Haim Bau, and Yale Goldman

image 1

The average, measured (symbols) and predicted (solid line) normalized root-mean-square displacement and the filamentís estimated tension (inset) as functions of the square of the electric fieldís intensity

image 2

The time-independent, electric field-induced flow field around the filament.

Observation:

The filamentís stiffness increases as the applied electric fieldís intensity increases.

Hypothesis:

The electric field-induced tension is caused by electro-convection in the electric double layer enveloping the filament.

Objective:

Deduce the properties of the filament-solvent interface

 

 

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