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Miss Cassandra Chua, Semiconductor Physics Group, University of Cambridge
Wednesday 26 March 2014, 14:15-15:15
"WORKSHOP" - Driving a single electron current using RF electrodes applied to graphene quantum dots
- 👤 Speaker: Miss Cassandra Chua, Semiconductor Physics Group, University of Cambridge
- 📅 Date & Time: Wednesday 26 March 2014, 14:15 - 15:15
- 📍 Venue: Mott Seminar Room, Cavendish Laboratory, Department of Physics
Abstract
Single electron current sources have generated great interest because of their potential applications in quantum computing and in electrical metrology. In particular, a reliable single electron pump can be used to redefine the Ampere in terms of the electron charge and a known frequency, thus allowing the closing of the quantum metrological triangle. The demonstration of record high accuracy of the Quantum Hall Effect in silicon carbide epitaxial graphene1 has already made it a prime candidate as a quantum resistance standard, thus taking us one step closer to an all graphene closure of the quantum metrological triangle. In this workshop, I will talk about our work on graphene double quantum dot charge pumps, and characterizing quantum Hall transport in silicon carbide epitaxial graphene.
Series This talk is part of the Semiconductor Physics Group Seminars series.
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