Remanence effects in the electrical resistivity of spin glasses
We have measured the low temperature electrical resistivity of Ag : Mn mesoscopic spin glasses prepared by ion implantation with a concentration of 700 ppm. As expected, we observe a clear maximum in the resistivity (T ) at a temperature in good agreement with theoretical predictions. Moreover, we o...
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| creator | Capron, Thibaut Perrat-Mabilon, A Peaucelle, Christophe Meunier, Tristan Carpentier, David Lévy, Laurent P Bäuerle, Christopher Saminadayar, Laurent |
| description | We have measured the low temperature electrical resistivity of Ag : Mn mesoscopic spin glasses prepared by ion implantation with a concentration of 700 ppm. As expected, we observe a clear maximum in the resistivity (T ) at a temperature in good agreement with theoretical predictions. Moreover, we observe remanence effects at very weak magnetic fields for the resistivity below the freezing temperature Tsg: upon Field Cooling (fc), we observe clear deviations of (T ) as compared with the Zero Field Cooling (zfc); such deviations appear even for very small magnetic fields, typically in the Gauss range. This onset of remanence for very weak magnetic fields is reminiscent of the typical signature on magnetic susceptibility measurements of the spin glass transition for this generic glassy system. |
| doi_str_mv | 10.48550/arxiv.1011.4371 |
| format | Article |
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As expected, we observe a clear maximum in the resistivity (T ) at a temperature in good agreement with theoretical predictions. Moreover, we observe remanence effects at very weak magnetic fields for the resistivity below the freezing temperature Tsg: upon Field Cooling (fc), we observe clear deviations of (T ) as compared with the Zero Field Cooling (zfc); such deviations appear even for very small magnetic fields, typically in the Gauss range. This onset of remanence for very weak magnetic fields is reminiscent of the typical signature on magnetic susceptibility measurements of the spin glass transition for this generic glassy system.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1011.4371</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Cooling ; Electrical resistivity ; Freezing ; Ion implantation ; Magnetic fields ; Magnetic permeability ; Magnetism ; Physics - Mesoscale and Nanoscale Physics ; Remanence ; Spin glasses</subject><ispartof>arXiv.org, 2010-11</ispartof><rights>2010. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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As expected, we observe a clear maximum in the resistivity (T ) at a temperature in good agreement with theoretical predictions. Moreover, we observe remanence effects at very weak magnetic fields for the resistivity below the freezing temperature Tsg: upon Field Cooling (fc), we observe clear deviations of (T ) as compared with the Zero Field Cooling (zfc); such deviations appear even for very small magnetic fields, typically in the Gauss range. This onset of remanence for very weak magnetic fields is reminiscent of the typical signature on magnetic susceptibility measurements of the spin glass transition for this generic glassy system.</description><subject>Cooling</subject><subject>Electrical resistivity</subject><subject>Freezing</subject><subject>Ion implantation</subject><subject>Magnetic fields</subject><subject>Magnetic permeability</subject><subject>Magnetism</subject><subject>Physics - Mesoscale and Nanoscale Physics</subject><subject>Remanence</subject><subject>Spin glasses</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GOX</sourceid><recordid>eNotj1FLwzAUhYMgOObefZKAz63JTdKmTyJDnTAQZO_lmt5oRtfWpBvu39s5nw4HPg7nY-xGilxbY8Q9xp9wyKWQMteqlBdsBkrJzGqAK7ZIaSuEgKIEY9SMPbzTDjvqHHHyntyYeOj4-DXVdmoxOGx5pBTSGA5hPPLe8zRMyGeLKVG6Zpce20SL_5yzzfPTZrnK1m8vr8vHdYZGQuao1G76UjbkS2_AWrSE2vjKSt3IDwEOdVMUVmNlKoPaKu1MRQ01Cp0gNWe359k_uXqIYYfxWJ8k65PkBNydgSH233tKY73t97GbLtUgLChrQYL6BUuBVIY</recordid><startdate>20101119</startdate><enddate>20101119</enddate><creator>Capron, Thibaut</creator><creator>Perrat-Mabilon, A</creator><creator>Peaucelle, Christophe</creator><creator>Meunier, Tristan</creator><creator>Carpentier, David</creator><creator>Lévy, Laurent P</creator><creator>Bäuerle, Christopher</creator><creator>Saminadayar, Laurent</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20101119</creationdate><title>Remanence effects in the electrical resistivity of spin glasses</title><author>Capron, Thibaut ; 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As expected, we observe a clear maximum in the resistivity (T ) at a temperature in good agreement with theoretical predictions. Moreover, we observe remanence effects at very weak magnetic fields for the resistivity below the freezing temperature Tsg: upon Field Cooling (fc), we observe clear deviations of (T ) as compared with the Zero Field Cooling (zfc); such deviations appear even for very small magnetic fields, typically in the Gauss range. This onset of remanence for very weak magnetic fields is reminiscent of the typical signature on magnetic susceptibility measurements of the spin glass transition for this generic glassy system.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.1011.4371</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Cooling Electrical resistivity Freezing Ion implantation Magnetic fields Magnetic permeability Magnetism Physics - Mesoscale and Nanoscale Physics Remanence Spin glasses |
| title | Remanence effects in the electrical resistivity of spin glasses |
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