Effective area reduction in directly coupled superconducting quantum interference device based micromagnetometers
We have designed and tested a set of Y Ba 2 Cu 3 O 7 − δ (YBCO) directly coupled superconducting quantum interference devices (SQUIDs). The proposed layout introduces a reduction of the device effective area that leads to high design flexibility for micromagnetometer sensors. SQUID magnetometers hav...
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| Veröffentlicht in: | Journal of applied physics 2008-02, Vol.103 (4), p.043906-043906-4 |
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| Hauptverfasser: | , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | We have designed and tested a set of
Y
Ba
2
Cu
3
O
7
−
δ
(YBCO) directly coupled superconducting quantum interference devices (SQUIDs). The proposed layout introduces a reduction of the device effective area that leads to high design flexibility for micromagnetometer sensors. SQUID magnetometers have been realized using YBCO grain boundary junctions fabricated on symmetric 30° [001] bicrystal substrates. Sensors have been characterized in a highly shielded environment confirming theoretical predictions. |
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| ISSN: | 0021-8979 1089-7550 |
| DOI: | 10.1063/1.2840138 |