Characterization of Josephson-vortex flow device as a magnetic sensor

Kazuto Hirata, Shuuichi Ooi, El Hadi Sadki, Shan Yu, Takashi Mochiku

Research output: Contribution to journalArticlepeer-review


We have found periodic oscillations in the Josephson-vortex flow resistance of the intrinsic Josephson junctions of Bi2Sr2CaCu 2O8+δ single crystal under the parallel magnetic fields from a few kOe to more than 70 kOe. The oscillations indicate a precise and an absolute measurement at higher fields. To demonstrate the characteristics of the magnetic sensor, we have performed modulation measurements with small coils producing a few Oe in Tesla order magnetic fields and have studied details on the flow resistance in the magnetic field and temperature cycles. The results show a high performance as a magnetic sensor.

Original languageEnglish
Pages (from-to)916-919
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Issue number2 PART I
Publication statusPublished - Jun 2005
Externally publishedYes


  • Bi-2212
  • Josephson devices
  • Josephson junctions
  • Magnetic sensors

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


Dive into the research topics of 'Characterization of Josephson-vortex flow device as a magnetic sensor'. Together they form a unique fingerprint.

Cite this