Magnetic Field Sensor Based on a Single Josephson Junction With a Multilayer Ferromagnet/Normal Metal Barrier
We report experimental studies of quantum-matter heterostructures based on a ferromagnet/normal metal multilayer proximitized by Nb superconducting electrodes to form a novel Josephson weak-link device that is highly sensitive to magnetic fields. The device is a single Josephson junction containing...
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| Veröffentlicht in: | IEEE transactions on applied superconductivity 2021-08, Vol.31 (5), p.1-5 |
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| container_title | IEEE transactions on applied superconductivity |
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| creator | Nevirkovets, Ivan P. Belogolovskii, Mikhail A. Mukhanov, Oleg A. Ketterson, John B. |
| description | We report experimental studies of quantum-matter heterostructures based on a ferromagnet/normal metal multilayer proximitized by Nb superconducting electrodes to form a novel Josephson weak-link device that is highly sensitive to magnetic fields. The device is a single Josephson junction containing Al/Ni or Al/Py (Py: Ni 80 Fe 20 ) multilayer structures, which manifests quasi-sinusoidal critical current oscillations resembling the response of a dc Superconducting Quantum Interference Device (SQUID). Our analysis shows that the field sensitivity of this novel device, as measured by the magnetic field needed to form one period of the oscillations, is about twice that reported for recent micro- or nano-SQUIDs. We present an analysis of the temperature dependence of the period of the oscillations and the Josephson critical current, as well as the background current. We believe that our devices are promising candidates for a new generation of magnetic field nanosensors. |
| doi_str_mv | 10.1109/TASC.2021.3056039 |
| format | Article |
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The device is a single Josephson junction containing Al/Ni or Al/Py (Py: Ni 80 Fe 20 ) multilayer structures, which manifests quasi-sinusoidal critical current oscillations resembling the response of a dc Superconducting Quantum Interference Device (SQUID). Our analysis shows that the field sensitivity of this novel device, as measured by the magnetic field needed to form one period of the oscillations, is about twice that reported for recent micro- or nano-SQUIDs. We present an analysis of the temperature dependence of the period of the oscillations and the Josephson critical current, as well as the background current. We believe that our devices are promising candidates for a new generation of magnetic field nanosensors.</description><subject>Critical current density (superconductivity)</subject><subject>Josephson effect</subject><subject>Junctions</subject><subject>Magnetic fields</subject><subject>Magnetic sensors</subject><subject>Magnetic tunneling</subject><subject>nanosensors</subject><subject>Nonhomogeneous media</subject><subject>Oscillators</subject><subject>periodic structures</subject><subject>SQUIDs</subject><subject>Temperature dependence</subject><issn>1051-8223</issn><issn>1558-2515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kM1OAjEUhRujiYg-gHHTFxjofztLIKIS0AUYl5NOuQM180PaccHbW4S4Offm5Jyz-BB6pGREKcnHm8l6NmKE0REnUhGeX6EBldJkTFJ5nX4iaWYY47foLsZvQqgwQg5Qs7K7Fnrv8NxDvcVraGMX8NRG2OKuxRavfburAS-6CId9TNbip3W9T8-X7_cpsPqpe1_bIwQ8hxC65m9x_N6FxtZ4BX3SqQ3BQ7hHN5WtIzxc7hB9zp83s9ds-fHyNpssM8eU7LNcc6GVqQSQXCpwlOqqYrx0WumSCbqttAWuS-uSqUohZdKS5MClNoYKPkT0vOtCF2OAqjgE39hwLCgpTryKE6_ixKu48Eqdp3PHA8B_PueCK8P4L0SJZ0c</recordid><startdate>202108</startdate><enddate>202108</enddate><creator>Nevirkovets, Ivan P.</creator><creator>Belogolovskii, Mikhail A.</creator><creator>Mukhanov, Oleg A.</creator><creator>Ketterson, John B.</creator><general>IEEE</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-6657-378X</orcidid><orcidid>https://orcid.org/0000-0003-2397-2171</orcidid><orcidid>https://orcid.org/0000-0001-8185-0338</orcidid><orcidid>https://orcid.org/0000-0002-1864-1055</orcidid></search><sort><creationdate>202108</creationdate><title>Magnetic Field Sensor Based on a Single Josephson Junction With a Multilayer Ferromagnet/Normal Metal Barrier</title><author>Nevirkovets, Ivan P. ; Belogolovskii, Mikhail A. ; Mukhanov, Oleg A. ; Ketterson, John B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c265t-9734768f4e0956ec117ff23bc767b241df7ae37bac23b6b455b6bb09e35788143</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Critical current density (superconductivity)</topic><topic>Josephson effect</topic><topic>Junctions</topic><topic>Magnetic fields</topic><topic>Magnetic sensors</topic><topic>Magnetic tunneling</topic><topic>nanosensors</topic><topic>Nonhomogeneous media</topic><topic>Oscillators</topic><topic>periodic structures</topic><topic>SQUIDs</topic><topic>Temperature dependence</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nevirkovets, Ivan P.</creatorcontrib><creatorcontrib>Belogolovskii, Mikhail A.</creatorcontrib><creatorcontrib>Mukhanov, Oleg A.</creatorcontrib><creatorcontrib>Ketterson, John B.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><jtitle>IEEE transactions on applied superconductivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Nevirkovets, Ivan P.</au><au>Belogolovskii, Mikhail A.</au><au>Mukhanov, Oleg A.</au><au>Ketterson, John B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Magnetic Field Sensor Based on a Single Josephson Junction With a Multilayer Ferromagnet/Normal Metal Barrier</atitle><jtitle>IEEE transactions on applied superconductivity</jtitle><stitle>TASC</stitle><date>2021-08</date><risdate>2021</risdate><volume>31</volume><issue>5</issue><spage>1</spage><epage>5</epage><pages>1-5</pages><issn>1051-8223</issn><eissn>1558-2515</eissn><coden>ITASE9</coden><abstract>We report experimental studies of quantum-matter heterostructures based on a ferromagnet/normal metal multilayer proximitized by Nb superconducting electrodes to form a novel Josephson weak-link device that is highly sensitive to magnetic fields. The device is a single Josephson junction containing Al/Ni or Al/Py (Py: Ni 80 Fe 20 ) multilayer structures, which manifests quasi-sinusoidal critical current oscillations resembling the response of a dc Superconducting Quantum Interference Device (SQUID). Our analysis shows that the field sensitivity of this novel device, as measured by the magnetic field needed to form one period of the oscillations, is about twice that reported for recent micro- or nano-SQUIDs. We present an analysis of the temperature dependence of the period of the oscillations and the Josephson critical current, as well as the background current. 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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Critical current density (superconductivity) Josephson effect Junctions Magnetic fields Magnetic sensors Magnetic tunneling nanosensors Nonhomogeneous media Oscillators periodic structures SQUIDs Temperature dependence |
| title | Magnetic Field Sensor Based on a Single Josephson Junction With a Multilayer Ferromagnet/Normal Metal Barrier |
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