The Diamond Superconducting Quantum Interference Device

Mandal, Soumen ORCID: https://orcid.org/0000-0001-8912-1439, Bautze, Tobias, Williams, Oliver Aneurin ORCID: https://orcid.org/0000-0002-7210-3004, Naud, Cecile, Bustarret, Etienne, Omnes, Franck, Rodiere, Pierre, Meunier, Tristan, Baüerle, Christopher and Saminadayar, Laurent 2011. The Diamond Superconducting Quantum Interference Device. ACS Nano 5 (9) , pp. 7144-7148. 10.1021/nn2018396

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Abstract

Diamond is an electrical insulator in its natural form. However, when doped with boron above a critical level (0.25 atom %) it can be rendered superconducting at low temperatures with high critical fields. Here we present the realization of a micrometer-scale superconducting quantum interference device (μ-SQUID) made from nanocrystalline boron-doped diamond (BDD) films. Our results demonstrate that μ-SQUIDs made from superconducting diamond can be operated in magnetic fields as large as 4 T independent of the field direction. This is a decisive step toward the detection of quantum motion in a diamond-based nanomechanical oscillator.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
Uncontrolled Keywords:	Diamond; SQUID; Superconductivity; Nanofabrication
Publisher:	ACS Publications
ISSN:	1936-0851
Last Modified:	17 Oct 2022 10:13
URI:	https://orca.cardiff.ac.uk/id/eprint/7373

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