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Negative resistance for colloids driven over two barriers in a microchannel

Erbe, A.; Leiderer, P.; Kreuter, C.

Video of superparamagnetic colloidal particles which are confined in a microchannel of 30µm width. The particles are driven into motion by tilting the microscope. Two barriers define an island in the channel, which causes an ordered region in the center of the channel. Transport through this island is observed as function of time and tilt angle.

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    Publication date: 2021-01-31
    DOI: 10.14278/rodare.792
    License: CC-BY-4.0


Publ.-Id: 32233