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http://bura.brunel.ac.uk/handle/2438/28901| Title: | Microwave Inductive Readout of EBL Nanobridge SQUIDs |
| Authors: | Godfrey, T Long, G Gallop, J Cox, D Polychroniou, E Chen, J Romans, E Hao, L |
| Keywords: | electron beam lithography (EBL);focused ion beam;nanoscale;nanobridge superconducting quantum interference devices (nanoSQUIDs);SQUIDs;superconducting microwave devices |
| Issue Date: | 28-May-2020 |
| Publisher: | Institute of Electrical and Electronics Engineers (IEEE) |
| Citation: | Godfrey, T. et al. (2020) 'Microwave Inductive Readout of EBL Nanobridge SQUIDs', IEEE Transactions on Applied Superconductivity, 30 (7), 1601104, pp. 1 - 4. doi: 10.1109/TASC.2020.2998374. |
| Abstract: | Niobium-based nanobridge superconducting quantum interference devices (SQUIDs) have shown very low noise performance and high-frequency operation. We describe how we are bringing together these two aspects of nanobridge SQUIDs with the aim of realizing single spin-flip detection using microwave inductive readout techniques, where the nanobridge SQUID is integrated into a superconducting coplanar waveguide resonator. Using electron beam lithography (EBL) is ideal for fabricating nanobridge junctions and has the advantage of being easily scalable compared to using a focused ion beam. In this article, we demonstrate that EBL is suitable for fabricating nanobridge junction SQUIDs, and they exhibit very comparable performance to previous focused ion beam milled SQUIDs. Our integrated devices show potential to be used for flux-tunable sensors. |
| URI: | https://bura.brunel.ac.uk/handle/2438/28901 |
| DOI: | https://doi.org/10.1109/TASC.2020.2998374 |
| ISSN: | 1051-8223 |
| Other Identifiers: | ORCiD: Tom Godfrey https://orcid.org/0000-0002-0453-8460 ORCiD: George Long https://orcid.org/0000-0002-1787-9539 ORCiD: John Gallop https://orcid.org/0000-0001-6303-6033 ORCiD: Jie Chen https://orcid.org/0000-0001-7532-1536 1601104 |
| Appears in Collections: | Dept of Mechanical and Aerospace Engineering Research Papers |
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