Operation of high-temperature superconductor magnetometer with submicrometer bicrystal junctions
We investigated the noise properties of dc superconducting quantum interference device flip-chip magnetometers with submicrometer-wide bicrystal junctions operating at 77.4 K. The noise of the magnetometers with electronics was about 6 fT/√Hz at frequencies above 100 Hz increasing up to about 20 fT/...
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| Veröffentlicht in: | Applied physics letters 2002-09, Vol.81 (13), p.2406-2408 |
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| container_title | Applied physics letters |
| container_volume | 81 |
| creator | Faley, M. I. Poppe, U. Urban, K. Slobodchikov, V. Yu Maslennikov, Yu. V. Gapelyuk, A. Sawitzki, B. Schirdewan, A. |
| description | We investigated the noise properties of dc superconducting quantum interference device flip-chip magnetometers with submicrometer-wide bicrystal junctions operating at 77.4 K. The noise of the magnetometers with electronics was about 6 fT/√Hz at frequencies above 100 Hz increasing up to about 20 fT/√Hz at 1 Hz. The operation of the magnetometers was characterized in an electronic axial first order gradiometer system, which was employed for biomagnetic measurements. The system demonstrated a gradient resolution of about 1 fT/cm√Hz at 77.4 K and stable operation in a standard magnetically shielded room under clinical conditions. |
| doi_str_mv | 10.1063/1.1508419 |
| format | Article |
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Yu</creatorcontrib><creatorcontrib>Maslennikov, Yu. V.</creatorcontrib><creatorcontrib>Gapelyuk, A.</creatorcontrib><creatorcontrib>Sawitzki, B.</creatorcontrib><creatorcontrib>Schirdewan, A.</creatorcontrib><collection>CrossRef</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Faley, M. I.</au><au>Poppe, U.</au><au>Urban, K.</au><au>Slobodchikov, V. Yu</au><au>Maslennikov, Yu. 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The system demonstrated a gradient resolution of about 1 fT/cm√Hz at 77.4 K and stable operation in a standard magnetically shielded room under clinical conditions.</abstract><doi>10.1063/1.1508419</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0003-6951 |
| ispartof | Applied physics letters, 2002-09, Vol.81 (13), p.2406-2408 |
| issn | 0003-6951 1077-3118 |
| language | eng |
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| source | AIP Journals Complete; AIP Digital Archive |
| title | Operation of high-temperature superconductor magnetometer with submicrometer bicrystal junctions |
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