Exponential reduction in critical current density in Eu1-xCexBa2Cu3O7-δsuperconductors near critical temperature
•IV characteristic of electron doped superconductors ECBCO has been studied below Tc.•Role of angle between two grains in controlling Jc has been found to be dominating over electron doping.•Variation of the low critical current density with temperature has been explained by using an exponential dep...
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| Veröffentlicht in: | Physica. C, Superconductivity Superconductivity, 2021-09, Vol.588, p.1353909, Article 1353909 |
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| container_title | Physica. C, Superconductivity |
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| creator | Rakshit, D. Sk, T. Das, P. Haldar, S. Ghosh, Ajay Kumar |
| description | •IV characteristic of electron doped superconductors ECBCO has been studied below Tc.•Role of angle between two grains in controlling Jc has been found to be dominating over electron doping.•Variation of the low critical current density with temperature has been explained by using an exponential dependence on T•Vortex solid to vortex fluid state near Tc has been attributed to the exponential variation of Jc(T)
We have studied how the current-voltage (IV) characteristic below the critical temperature gets affected by electron doping in Eu1-xCexBa2Cu3O7-δ (ECBCO) superconducting systems. The critical current density as a function of T has been extracted in the vicinity but below the critical temperature. Variation of the low critical current density with temperature in the limited range of T has been explained by using an exponential dependence on T. Possibility of the Ambegaokar-Baratoff (AB) to Ginzburg-Landau (GL) crossover has been explored. An exponential nature of the variation in all electron doped superconductors with large angular separation between grain boundaries is attributed to the existence of the vortex fluid state in a narrow range of T. |
| doi_str_mv | 10.1016/j.physc.2021.1353909 |
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We have studied how the current-voltage (IV) characteristic below the critical temperature gets affected by electron doping in Eu1-xCexBa2Cu3O7-δ (ECBCO) superconducting systems. The critical current density as a function of T has been extracted in the vicinity but below the critical temperature. Variation of the low critical current density with temperature in the limited range of T has been explained by using an exponential dependence on T. Possibility of the Ambegaokar-Baratoff (AB) to Ginzburg-Landau (GL) crossover has been explored. An exponential nature of the variation in all electron doped superconductors with large angular separation between grain boundaries is attributed to the existence of the vortex fluid state in a narrow range of T.</description><identifier>ISSN: 0921-4534</identifier><identifier>EISSN: 1873-2143</identifier><identifier>DOI: 10.1016/j.physc.2021.1353909</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Critical current density ; Critical temperature ; Density ; Electrons ; Grain boundaries ; granularity ; Superconductivity ; Superconductors ; Temperature ; Transition temperature ; transport properties</subject><ispartof>Physica. C, Superconductivity, 2021-09, Vol.588, p.1353909, Article 1353909</ispartof><rights>2021</rights><rights>Copyright Elsevier BV Sep 15, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1797-e296dc43b9ff0b06d37411a37722030f216d26a1867de88d559961c739f260053</citedby><cites>FETCH-LOGICAL-c1797-e296dc43b9ff0b06d37411a37722030f216d26a1867de88d559961c739f260053</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.physc.2021.1353909$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Rakshit, D.</creatorcontrib><creatorcontrib>Sk, T.</creatorcontrib><creatorcontrib>Das, P.</creatorcontrib><creatorcontrib>Haldar, S.</creatorcontrib><creatorcontrib>Ghosh, Ajay Kumar</creatorcontrib><title>Exponential reduction in critical current density in Eu1-xCexBa2Cu3O7-δsuperconductors near critical temperature</title><title>Physica. C, Superconductivity</title><description>•IV characteristic of electron doped superconductors ECBCO has been studied below Tc.•Role of angle between two grains in controlling Jc has been found to be dominating over electron doping.•Variation of the low critical current density with temperature has been explained by using an exponential dependence on T•Vortex solid to vortex fluid state near Tc has been attributed to the exponential variation of Jc(T)
We have studied how the current-voltage (IV) characteristic below the critical temperature gets affected by electron doping in Eu1-xCexBa2Cu3O7-δ (ECBCO) superconducting systems. The critical current density as a function of T has been extracted in the vicinity but below the critical temperature. Variation of the low critical current density with temperature in the limited range of T has been explained by using an exponential dependence on T. Possibility of the Ambegaokar-Baratoff (AB) to Ginzburg-Landau (GL) crossover has been explored. An exponential nature of the variation in all electron doped superconductors with large angular separation between grain boundaries is attributed to the existence of the vortex fluid state in a narrow range of T.</description><subject>Critical current density</subject><subject>Critical temperature</subject><subject>Density</subject><subject>Electrons</subject><subject>Grain boundaries</subject><subject>granularity</subject><subject>Superconductivity</subject><subject>Superconductors</subject><subject>Temperature</subject><subject>Transition temperature</subject><subject>transport properties</subject><issn>0921-4534</issn><issn>1873-2143</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kM9KxDAQxoMouK6-gYeC59ZM0jbNRdCy_oGFveg5dJMppuym3aSV3ffyOXwmW1fw5lwG5vvmG-ZHyDXQBCjkt03SvR-CThhlkADPuKTyhMygEDxmkPJTMqOSQZxmPD0nFyE0dCyQMCO7xb5rHbreVpvIoxl0b1sXWRdpb3urx6kevB8NkUEXbH-YtMUA8b7E_UPFyoGvRPz1GYYOvW7dlND6EDms_F9Gj9tRrvrB4yU5q6tNwKvfPidvj4vX8jlerp5eyvtlrEFIESOTudEpX8u6pmuaGy5SgIoLwRjltGaQG5ZXUOTCYFGYLJMyBy24rFlOacbn5OaY2_l2N2DoVdMO3o0nFcsKoFRIEKMrPbq0b0PwWKvO223lDwqomuCqRv3AVRNc9Qt3XLs7ruH4wYdFr4K26DQa61H3yrT2_4BvFHyE2Q</recordid><startdate>20210915</startdate><enddate>20210915</enddate><creator>Rakshit, D.</creator><creator>Sk, T.</creator><creator>Das, P.</creator><creator>Haldar, S.</creator><creator>Ghosh, Ajay Kumar</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20210915</creationdate><title>Exponential reduction in critical current density in Eu1-xCexBa2Cu3O7-δsuperconductors near critical temperature</title><author>Rakshit, D. ; Sk, T. ; Das, P. ; Haldar, S. ; Ghosh, Ajay Kumar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1797-e296dc43b9ff0b06d37411a37722030f216d26a1867de88d559961c739f260053</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Critical current density</topic><topic>Critical temperature</topic><topic>Density</topic><topic>Electrons</topic><topic>Grain boundaries</topic><topic>granularity</topic><topic>Superconductivity</topic><topic>Superconductors</topic><topic>Temperature</topic><topic>Transition temperature</topic><topic>transport properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rakshit, D.</creatorcontrib><creatorcontrib>Sk, T.</creatorcontrib><creatorcontrib>Das, P.</creatorcontrib><creatorcontrib>Haldar, S.</creatorcontrib><creatorcontrib>Ghosh, Ajay Kumar</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physica. C, Superconductivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rakshit, D.</au><au>Sk, T.</au><au>Das, P.</au><au>Haldar, S.</au><au>Ghosh, Ajay Kumar</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Exponential reduction in critical current density in Eu1-xCexBa2Cu3O7-δsuperconductors near critical temperature</atitle><jtitle>Physica. C, Superconductivity</jtitle><date>2021-09-15</date><risdate>2021</risdate><volume>588</volume><spage>1353909</spage><pages>1353909-</pages><artnum>1353909</artnum><issn>0921-4534</issn><eissn>1873-2143</eissn><abstract>•IV characteristic of electron doped superconductors ECBCO has been studied below Tc.•Role of angle between two grains in controlling Jc has been found to be dominating over electron doping.•Variation of the low critical current density with temperature has been explained by using an exponential dependence on T•Vortex solid to vortex fluid state near Tc has been attributed to the exponential variation of Jc(T)
We have studied how the current-voltage (IV) characteristic below the critical temperature gets affected by electron doping in Eu1-xCexBa2Cu3O7-δ (ECBCO) superconducting systems. The critical current density as a function of T has been extracted in the vicinity but below the critical temperature. Variation of the low critical current density with temperature in the limited range of T has been explained by using an exponential dependence on T. Possibility of the Ambegaokar-Baratoff (AB) to Ginzburg-Landau (GL) crossover has been explored. An exponential nature of the variation in all electron doped superconductors with large angular separation between grain boundaries is attributed to the existence of the vortex fluid state in a narrow range of T.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.physc.2021.1353909</doi></addata></record> |
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| subjects | Critical current density Critical temperature Density Electrons Grain boundaries granularity Superconductivity Superconductors Temperature Transition temperature transport properties |
| title | Exponential reduction in critical current density in Eu1-xCexBa2Cu3O7-δsuperconductors near critical temperature |
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