Nanopicture of the Day

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June 14, 2004

Aharanov-Bohm Ring

Source:  Christian Schönenberger

      References:

"Amplitude of Aharonov-Bohm Oscillations in Mesoscopic Metallic Rings as a Function of the DC Bias Voltage" C.Terrier, C. Strunk, T. Nussbaumer, D. Babic and C. Schönenberger Fizika A 8, 157 - 164 (1999).

Description:

A microfabricated gold ring for Aharonov-Bohm type experiments, which test the modulation of quantum-interference contributions of electrons due to the presence of a magnetic field. Dimensions are: 70 nm wide, 20 nm thick with a diameter of about 800 nm.

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