Coulomb-controlled single electron field emission via a freely suspended metallic island.
basic_science · Level V
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- Record sourced from PubMed, PMID 20058874.
- Also identified by DOI 10.1021/nl903644u.
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Abstract
We observe Coulomb blockade in the field-emission current of a metallic island between two electrodes freely suspended by thin tunneling barriers. A third electrode serves as a gating contact to trace the Coulomb staircase of the device. Coulomb blockade is revealed at 77 K in conjunction with field emission. The measurements are in very good agreement with a theoretical model, taking into account orthodox Coulomb blockade and field emission.