Archivio Istituzionale della RicercaThis paper addresses the challenges associated with accurately measuring longitudinal impedance in a quantum Hall device. A novel bridge design capable of measuring both real and imaginary components of longitudinal impedance is introduced and applied for the first time. The measured inductance appears to be independent of both carrier density and mobility. Additionally, the inductance remains constant over the frequency range from 600 Hz to 50 kHz.
Longitudinal Impedance Measurements on Graphene QHE Devices / Overney, Frédéric; Eichenberger, Ali L.; Bauer, Stephan; Ortolano, Massimo; Marzano, Martina; Yin, Yefei; Kruskopf, Mattias. - ELETTRONICO. - 2:(2024), pp. 1-2. (Intervento presentato al convegno Conference on Precision Electromagnetic Measurements (CPEM) tenutosi a Denver, CO (USA) nel 08-12 July 2024) [10.1109/cpem61406.2024.10645982].
Longitudinal Impedance Measurements on Graphene QHE Devices
Ortolano, Massimo;
2024
Abstract
This paper addresses the challenges associated with accurately measuring longitudinal impedance in a quantum Hall device. A novel bridge design capable of measuring both real and imaginary components of longitudinal impedance is introduced and applied for the first time. The measured inductance appears to be independent of both carrier density and mobility. Additionally, the inductance remains constant over the frequency range from 600 Hz to 50 kHz.
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Overney2024_CPEM_postprint.pdf
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2. Post-print / Author's Accepted Manuscript
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Ortolano-Longitudinal.pdf
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Tipologia:
2a Post-print versione editoriale / Version of Record
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2.74 MB
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https://hdl.handle.net/11583/2992342