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Charge sensitivity of single-electron transistor with superconducting electrodes

✍ Scribed by Alexander N. Korotkov

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
143 KB
Volume
20
Category
Article
ISSN
0749-6036

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✦ Synopsis

The noise-limited charge sensitivity of a single-electron transistor with superconducting electrodes operating near the threshold of quasiparticle tunneling, can be considerably higher than that of a similar transistor made of normal metals or semiconductors. The reason is that the superconducting energy gap, in contrast to the Coulomb blockade, is not smeared by the finite temperature. The same reason leads to the increase of the maximum operation temperature due to superconductivity.

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