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Thermoelectric properties of electrostatically tunable antidot lattices

Goswami, S; Siegert, C; Shamim, S; Pepper, M; Farrer, I; Ritchie, DA; Ghosh, A; (2010) Thermoelectric properties of electrostatically tunable antidot lattices. APPL PHYS LETT , 97 (13) , Article 132104. 10.1063/1.3493268.

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Abstract

We report on the fabrication and characterization of a device which allows the formation of an antidot lattice (ADL) using only electrostatic gating. The antidot potential and Fermi energy of the system can be tuned independently. Well defined commensurability features in magnetoresistance as well as magnetothermopower are observed. We show that the thermopower can be used to efficiently map out the potential landscape of the ADL. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3493268]

Type:Article
Title:Thermoelectric properties of electrostatically tunable antidot lattices
DOI:10.1063/1.3493268
Keywords:SUPERLATTICES, OSCILLATIONS, THERMOPOWER
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering

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