Magnetoresistance studies of homogenously disordered 3-dimensional NbN thin films
We present magnetoresistance studies on a series of homogenously disordered 3-dimensional NbN thin films with disorder ranging from the moderately clean limit (kFl~10.12) to the extremely dirty limit where the superconducting ground state is completely destroyed (kFl~0.42). We find that for samples...
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| Veröffentlicht in: | Journal of physics. Conference series 2012-01, Vol.391 (1), p.12086-4 |
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| container_title | Journal of physics. Conference series |
| container_volume | 391 |
| creator | Chand, Madhavi Mondal, Mintu Kumar, Sanjeev Kamlapure, Anand Saraswat, Garima Chockalingam, S P Jesudasan, John Bagwe, Vivas Tripathi, Vikram Benfatto, Lara Raychaudhuri, Pratap |
| description | We present magnetoresistance studies on a series of homogenously disordered 3-dimensional NbN thin films with disorder ranging from the moderately clean limit (kFl~10.12) to the extremely dirty limit where the superconducting ground state is completely destroyed (kFl~0.42). We find that for samples with kFl >1, the magnetoresistance is positive up to 12T and as disorder increases it decays more slowly with temperature. On the other hand, for samples with kFl |
| doi_str_mv | 10.1088/1742-6596/391/1/012086 |
| format | Article |
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We find that for samples with kFl >1, the magnetoresistance is positive up to 12T and as disorder increases it decays more slowly with temperature. On the other hand, for samples with kFl<1, we observe a peak in the magnetoresistance which vanishes at a temperature close to the pseudogap temperature of disordered superconducting samples. These observations are consistent with the idea of the disorder-driven non-superconducting state being comprised of pre-formed Cooper pairs.</description><identifier>ISSN: 1742-6588</identifier><identifier>EISSN: 1742-6596</identifier><identifier>DOI: 10.1088/1742-6596/391/1/012086</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Cleaning ; Cooper pairs ; Decay rate ; Disorders ; Ground state ; Magnetoresistance ; Magnetoresistivity ; Niobium nitride ; Physics ; Superconductivity ; Thin films</subject><ispartof>Journal of physics. 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Conference series</title><description>We present magnetoresistance studies on a series of homogenously disordered 3-dimensional NbN thin films with disorder ranging from the moderately clean limit (kFl~10.12) to the extremely dirty limit where the superconducting ground state is completely destroyed (kFl~0.42). We find that for samples with kFl >1, the magnetoresistance is positive up to 12T and as disorder increases it decays more slowly with temperature. On the other hand, for samples with kFl<1, we observe a peak in the magnetoresistance which vanishes at a temperature close to the pseudogap temperature of disordered superconducting samples. These observations are consistent with the idea of the disorder-driven non-superconducting state being comprised of pre-formed Cooper pairs.</description><subject>Cleaning</subject><subject>Cooper pairs</subject><subject>Decay rate</subject><subject>Disorders</subject><subject>Ground state</subject><subject>Magnetoresistance</subject><subject>Magnetoresistivity</subject><subject>Niobium nitride</subject><subject>Physics</subject><subject>Superconductivity</subject><subject>Thin films</subject><issn>1742-6588</issn><issn>1742-6596</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdkE1LAzEQhoMoWKt_QQJevKyb2WyyyVGKX1Argp5DzEebsrvRZPfQf--WSg_OZQbmYXjnQegayB0QIUpo6qrgTPKSSiihJFARwU_Q7Lg4Pc5CnKOLnLeE0KmaGXp_1eveDTG5HPKge-NwHkYbXMbR403s4tr1ccztDtuQY7IuOYtpYUPn-hxir1u8-lrhYRN67EPb5Ut05nWb3dVfn6PPx4ePxXOxfHt6WdwvC0MBhsIbr5mUkgnTUPAgNGO15cY7ybyVRgBj03vSVMIwyZwX1kFNeUM5t6ySdI5uD3e_U_wZXR5UF7Jxbat7NwVW0FBCmroWfEJv_qHbOKYpelYVa0RFG6hgoviBMinmnJxX3yl0Ou0UELU3rfYS1V6omkwrUAfT9Bd4H3DT</recordid><startdate>20120101</startdate><enddate>20120101</enddate><creator>Chand, Madhavi</creator><creator>Mondal, Mintu</creator><creator>Kumar, Sanjeev</creator><creator>Kamlapure, Anand</creator><creator>Saraswat, Garima</creator><creator>Chockalingam, S P</creator><creator>Jesudasan, John</creator><creator>Bagwe, Vivas</creator><creator>Tripathi, Vikram</creator><creator>Benfatto, Lara</creator><creator>Raychaudhuri, Pratap</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>H8D</scope><scope>HCIFZ</scope><scope>L7M</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7U5</scope><scope>8BQ</scope><scope>JG9</scope></search><sort><creationdate>20120101</creationdate><title>Magnetoresistance studies of homogenously disordered 3-dimensional NbN thin films</title><author>Chand, Madhavi ; 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| subjects | Cleaning Cooper pairs Decay rate Disorders Ground state Magnetoresistance Magnetoresistivity Niobium nitride Physics Superconductivity Thin films |
| title | Magnetoresistance studies of homogenously disordered 3-dimensional NbN thin films |
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