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Graphene-based tunable SQUIDs

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Graphene-based tunable SQUIDs. / Thompson, Michael Dermot; Ben Shalom, Moshe; Geim, Andre; Matthews, Anthony; White, Jeremy; Melhem, Ziad; Pashkin, Yuri; Haley, Richard Peter; Prance, Jonathan Robert.

In: Applied Physics Letters, Vol. 110, No. 16, 162602, 17.04.2017.

Research output: Contribution to journalJournal article

Harvard

Thompson, MD, Ben Shalom, M, Geim, A, Matthews, A, White, J, Melhem, Z, Pashkin, Y, Haley, RP & Prance, JR 2017, 'Graphene-based tunable SQUIDs', Applied Physics Letters, vol. 110, no. 16, 162602. https://doi.org/10.1063/1.4981904

APA

Thompson, M. D., Ben Shalom, M., Geim, A., Matthews, A., White, J., Melhem, Z., Pashkin, Y., Haley, R. P., & Prance, J. R. (2017). Graphene-based tunable SQUIDs. Applied Physics Letters, 110(16), [162602]. https://doi.org/10.1063/1.4981904

Vancouver

Thompson MD, Ben Shalom M, Geim A, Matthews A, White J, Melhem Z et al. Graphene-based tunable SQUIDs. Applied Physics Letters. 2017 Apr 17;110(16). 162602. https://doi.org/10.1063/1.4981904

Author

Thompson, Michael Dermot ; Ben Shalom, Moshe ; Geim, Andre ; Matthews, Anthony ; White, Jeremy ; Melhem, Ziad ; Pashkin, Yuri ; Haley, Richard Peter ; Prance, Jonathan Robert. / Graphene-based tunable SQUIDs. In: Applied Physics Letters. 2017 ; Vol. 110, No. 16.

Bibtex

@article{a6636d4958ef4df1bcd98145cf6c0c53,
title = "Graphene-based tunable SQUIDs",
abstract = "The superconducting proximity effect in graphene can be used to create Josephson junctions withcritical currents that can be tuned using local field-effect gates. These junctions have the potential to add functionality to existing technologies; for example, superconducting quantum interference device (SQUID) magnetometers with adaptive dynamic range and superconducting qubits with fast electrical control. Here, we present measurements of graphene-based superconducting quantum interference devices incorporating ballistic Josephson junctions that can be controlled individually. We investigate the magnetic field response of the SQUIDs as the junctions are gated and as the device is tuned between symmetric and asymmetric configurations. We find a highest transfer function 300 lV/U0, which compares favorably with conventional, low temperature DC SQUIDs. With low noise readout electronics and optimised geometries, devices based on ballistic graphene Josephson junctions have the potential to match the sensitivity of traditional SQUIDs while also providing additional functionality.",
author = "Thompson, {Michael Dermot} and {Ben Shalom}, Moshe and Andre Geim and Anthony Matthews and Jeremy White and Ziad Melhem and Yuri Pashkin and Haley, {Richard Peter} and Prance, {Jonathan Robert}",
year = "2017",
month = apr
day = "17",
doi = "10.1063/1.4981904",
language = "English",
volume = "110",
journal = "Applied Physics Letters",
issn = "0003-6951",
publisher = "American Institute of Physics Inc.",
number = "16",

}

RIS

TY - JOUR

T1 - Graphene-based tunable SQUIDs

AU - Thompson, Michael Dermot

AU - Ben Shalom, Moshe

AU - Geim, Andre

AU - Matthews, Anthony

AU - White, Jeremy

AU - Melhem, Ziad

AU - Pashkin, Yuri

AU - Haley, Richard Peter

AU - Prance, Jonathan Robert

PY - 2017/4/17

Y1 - 2017/4/17

N2 - The superconducting proximity effect in graphene can be used to create Josephson junctions withcritical currents that can be tuned using local field-effect gates. These junctions have the potential to add functionality to existing technologies; for example, superconducting quantum interference device (SQUID) magnetometers with adaptive dynamic range and superconducting qubits with fast electrical control. Here, we present measurements of graphene-based superconducting quantum interference devices incorporating ballistic Josephson junctions that can be controlled individually. We investigate the magnetic field response of the SQUIDs as the junctions are gated and as the device is tuned between symmetric and asymmetric configurations. We find a highest transfer function 300 lV/U0, which compares favorably with conventional, low temperature DC SQUIDs. With low noise readout electronics and optimised geometries, devices based on ballistic graphene Josephson junctions have the potential to match the sensitivity of traditional SQUIDs while also providing additional functionality.

AB - The superconducting proximity effect in graphene can be used to create Josephson junctions withcritical currents that can be tuned using local field-effect gates. These junctions have the potential to add functionality to existing technologies; for example, superconducting quantum interference device (SQUID) magnetometers with adaptive dynamic range and superconducting qubits with fast electrical control. Here, we present measurements of graphene-based superconducting quantum interference devices incorporating ballistic Josephson junctions that can be controlled individually. We investigate the magnetic field response of the SQUIDs as the junctions are gated and as the device is tuned between symmetric and asymmetric configurations. We find a highest transfer function 300 lV/U0, which compares favorably with conventional, low temperature DC SQUIDs. With low noise readout electronics and optimised geometries, devices based on ballistic graphene Josephson junctions have the potential to match the sensitivity of traditional SQUIDs while also providing additional functionality.

U2 - 10.1063/1.4981904

DO - 10.1063/1.4981904

M3 - Journal article

VL - 110

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 16

M1 - 162602

ER -