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Effect of non-classical current paths in networks of 1-dimensional wires

P. M. Echternach ; A. G. Mikhalchuk ; H. M. Bozler ; M. E. Gershenson ; A. L. Bogdanov (Institutionen för fysik) ; Bengt Nilsson (Institutionen för fysik)
Czechoslovak Journal of Physics (0011-4626). (1996)
[Konferensbidrag, övrigt]

At low temperatures, the quantum corrections to the resistance due to weak localization and electron-electron interaction are affected by the shape and topology of samples. We observed these effects in the resistance of 2D percolation networks made from 1D wires and in a series of long 1D wires with regularly spaced side branches. Branches outside the classical current path strongly reduce the quantum corrections to the resistance and these reductions become a measure of the quantum lengths

Nyckelord: electrical resistivity, mesoscopic systems, percolation, semiconductor quantum wires

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Denna post skapades 2011-10-20. Senast ändrad 2011-11-02.
CPL Pubid: 147514


Institutioner (Chalmers)

Institutionen för fysik (1900-2003)


Nanovetenskap och nanoteknik
Den kondenserade materiens fysik

Chalmers infrastruktur