Strong cotunneling suppression in a single-electron transistor with granulated metal film island

Abstract

Macroscopic quantum tunneling cotunneling is a major source of errors in single-electron devices that require the transfer of a precise number of electrons. The authors present a single-electron transistor SET where the suppression of cotunneling is achieved by using a granulated metal film as the material of the SET island. In this device a characteristic… (More)

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