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superconducting quantum interference device
sensor
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Josephson effect
- In Josephson effect
…to the operation of the superconducting quantum interference device (SQUID), which is a very sensitive detector of magnetic fields. It is used to measure tiny variations in the magnetic field of the Earth and also of the human body.
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use of ceramics
- In conductive ceramics: Superconductors
…junctions and so-called SQUIDs (superconducting quantum interference devices). Josephson junctions, formed at contacts between two superconductors, can convert a direct voltage into an alternating current whose frequency rises with applied voltage. Frequencies in the superhigh frequency (SHF) range can be achieved. SQUIDs are highly sensitive magnetic-field sensors based on…
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