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Low-Noise Diamond-Based D.C. Nano-SQUIDs Low-Noise Diamond-Based D.C. Nano-SQUIDs AITranslate

Manjith Bose; Daniel L. Creedon; Anders Barlow; Michael Stuiber; Georgina M. Klemencic; Soumen Mandal; Oliver Williams; Grant van Riessen; Christopher I. Pakes
La Trobe University; The University of Melbourne; The University of Melbourne;Melbourne Centre for Nanofabrication, 151 Wellington Road; Cardiff University; Cardiff University; Cardiff University; La Trobe University; La Trobe University
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Publisher: ACS
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Abstract AITranslate

Nanoscale superconducting quantum interference devices (nano-SQUIDs) with Dayem bridge junctions and a physical loop size of 50 nm have been engineered in boron-doped nanocrystalline diamond films using precision Ne-ion beam milling. In an unshunted device, the nonhysteretic operation can be maintained in an applied field exceeding 0.1 T with a high flux-to-voltage transfer function, giving a low flux noise at 1 kHz and a concurrent spin sensitivity of . At elevated magnetic fields, up to 2 T, flux modulation of the nano-SQUID output voltage is maintained but with an increase in period, attributed to an additional phase bias induced on the nano-SQUID loop by up to 16 vortices per period penetrating the nano-SQUID electrodes.

KeyWords AITranslate

nanoSQUID diamond ionbeam fabrication flux noise spin sensitivity
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Basic Information:

DOI：https://doi.org/10.1021/acsaelm.2c00048

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Citation Information:

Nanoscale superconducting quantum interference devices (nano-SQUIDs) with Dayem bridge junctions and a physical loop size of 50 nm have been engineered in boron-doped nanocrystalline diamond films using precision Ne-ion beam milling. In an unshunted device, the nonhysteretic operation can be maintained in an applied field exceeding 0.1 T with a high flux-to-voltage transfer function, giving a low flux noise at 1 kHz and a concurrent spin sensitivity of . At elevated magnetic fields, up to 2 T, flux modulation of the nano-SQUID output voltage is maintained but with an increase in period, attributed to an additional phase bias induced on the nano-SQUID loop by up to 16 vortices per period penetrating the nano-SQUID electrodes.

quote

GB/T 7714-2015 [1] Manjith Bose, Daniel L. Creedon, Anders Barlow, et al. ACS Applied Electronic Materials, 2022(4). DOI:10.1021/acsaelm.2c00048.
MLA [1] Manjith Bose, et al., ACS Applied Electronic Materials, no. 4, 2022, https://doi.org/10.1021/acsaelm.2c00048.
APA [1] Manjith Bose, Daniel L. Creedon, Anders Barlow, Michael Stuiber, Georgina M. Klemencic, Soumen Mandal, Oliver Williams, Grant van Riessen, & Christopher I. Pakes. (2022). ACS Applied Electronic Materials(4). https://doi.org/10.1021/acsaelm.2c00048
IEEE [1] Manjith Bose, Daniel L. Creedon, Anders Barlow, Michael Stuiber, Georgina M. Klemencic, Soumen Mandal, Oliver Williams, Grant van Riessen, and Christopher I. Pakes, ACS Applied Electronic Materials, no. 4, 2022, doi: 10.1021/acsaelm.2c00048. keywords: {nanoSQUID diamond ionbeam fabrication flux noise spin sensitivity}