Spatial resolution assessment of Nano-SQUIDs made by focused ion beam

L. Hao, J. C. Macfarlane, J. C. Gallop, E. Romans, D. Cox, D. Hutson, J. Chen

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

The ability to reduce SQUID dimensions into the sub-micrometer or nanometer regime points the way towards novel applications, particularly in emerging fields such as quantum information processing, single-photon/particle detection, and experimental studies of nano-scale entities such as Bose-Einstein condensates. We report here on our ongoing work combining traditional thin-film and photolithographic fabrication processes with computer-aided-design software and focused ion beam milling to realize sub-micrometer superconducting structures. Their magnetic field sensitivity, noise behavior, spatial resolution, and prospects for magnetic spin detection are discussed.
Original languageEnglish
Pages (from-to)742-745
Number of pages4
JournalIEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
Volume17
Issue number2
DOIs
Publication statusPublished - Jun 2007

Keywords

  • magnetic field sensitivity
  • nanoscale SQUID
  • spatial resolution
  • superconductor

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