Integrated high-Tc radio frequency superconducting quantum interference device using SrTiO3 bicrystal substrate resonators

Ji Cheng Chen, Kuen Lin Chen, Hong Chang Yang, Chiu Hsien Wu, Herng Er Horng

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Abstract

In contrast to the previous high-Tc radio frequency (rf) superconducting quantum interference device (SQUID) magnetometer, in which the rf SQUID is placed face to face with the substrate resonator, a simple integrated washer-type rf SQUID magnetometer based on a single SrTiO3 bicrystal substrate resonator is designed and fabricated in this work. The magnetometer combines the rf SQUID, flux focusing, and resonator into a single chip. This integrated washer-type rf SQUID magnetometer offers a superior advantage in integrating the device to a scanning SQUID detection system in which the distance between the sample and SQUID can be minimized.

Original languageEnglish
Article number153504
JournalApplied Physics Letters
Volume90
Issue number15
DOIs
Publication statusPublished - 2007 Apr 24

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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