Single layer YBaCuO-gradiometer

Single layer YBaCuO-gradiometer

A single layer YBaCuO-gradiometer galvanically coupled to DC-SQUIDs were prepared on bicrystal substrates. The devices were operated at 77 K without any shielding. The best performance obtained was a field gradient resolution of 0.5 pT/cm/spl radic/(Hz) for a device with a baseline of 7 mm and a pic...

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Veröffentlicht in:IEEE transactions on applied superconductivity 1995-06, Vol.5 (2), p.3109-3112
Hauptverfasser: Daalmans, G.M., Bar, L., Kuhnl, M., Uhl, D., Selent, M., Ramos, J.
Format: Artikel
Sprache:eng
Schlagworte:
Earth
Galvanizing
Grain boundaries
High temperature superconductors
Low-frequency noise
Magnetic fields
Nonhomogeneous media
Pulsed laser deposition
SQUIDs
Superconducting epitaxial layers
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Zusammenfassung:A single layer YBaCuO-gradiometer galvanically coupled to DC-SQUIDs were prepared on bicrystal substrates. The devices were operated at 77 K without any shielding. The best performance obtained was a field gradient resolution of 0.5 pT/cm/spl radic/(Hz) for a device with a baseline of 7 mm and a pickup-area of 2 cm/sup 2/.< >
ISSN:1051-8223
1558-2515
DOI:10.1109/77.403250