Effect of magnetic element ions on collective pinning behaviour in Bi-2223 quadrilateral bars
Frequency and ac field dependence of Bi1.6Pb0.4Sr2(Ca1−xMx)2Cu3Oδ quadrilateral bars with x⩽0.02 and M=Pr, Nd, Sm, Gd and Ni, prepared by the conventional reaction method have been measured in the range of low field/frequency ac susceptibility and BSCCO superconducting temperature. The ac loss peak...
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| Veröffentlicht in: | Physica. C, Superconductivity Superconductivity, 2007-10, Vol.463-465, p.439-444 |
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| container_title | Physica. C, Superconductivity |
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| creator | Adam, M.I. |
| description | Frequency and ac field dependence of Bi1.6Pb0.4Sr2(Ca1−xMx)2Cu3Oδ quadrilateral bars with x⩽0.02 and M=Pr, Nd, Sm, Gd and Ni, prepared by the conventional reaction method have been measured in the range of low field/frequency ac susceptibility and BSCCO superconducting temperature. The ac loss peak shifts to higher temperature and its summit shows nonlinear change with increasing frequency. Introduction of magnetic ions as defects is found to increase the intergranular critical current Jcm and the flux pinning of Bi(Pb)-2223 system. Application of the power law critical state model suggested that pinning behaviour of specimen could be viewed as hysteretic bulk pinning and/or flux creep. On the other hand, Jcm dependence activation energy is found to obey Ea∝J−μ relation, characteristic of the vortex glass/collective creep. Hence, collective pinning behaviour of specimens is discussed in view of the intergranular pinning mechanism. |
| doi_str_mv | 10.1016/j.physc.2007.05.033 |
| format | Article |
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The ac loss peak shifts to higher temperature and its summit shows nonlinear change with increasing frequency. Introduction of magnetic ions as defects is found to increase the intergranular critical current Jcm and the flux pinning of Bi(Pb)-2223 system. Application of the power law critical state model suggested that pinning behaviour of specimen could be viewed as hysteretic bulk pinning and/or flux creep. On the other hand, Jcm dependence activation energy is found to obey Ea∝J−μ relation, characteristic of the vortex glass/collective creep. Hence, collective pinning behaviour of specimens is discussed in view of the intergranular pinning mechanism.</description><identifier>ISSN: 0921-4534</identifier><identifier>EISSN: 1873-2143</identifier><identifier>DOI: 10.1016/j.physc.2007.05.033</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>AC losses ; AC susceptibility ; Activation energy ; Bi-based cuprates ; Bi–(Pb)–Sr–Ca–Cu–O ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Cuprates superconductors (high tc and insulating parent compounds) ; Exact sciences and technology ; Physics ; Properties of type I and type II superconductors ; Superconductivity ; Vortex lattices ,flux pinning, flux creep</subject><ispartof>Physica. C, Superconductivity, 2007-10, Vol.463-465, p.439-444</ispartof><rights>2007 Elsevier B.V.</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c364t-94f5c16e68cf512df014abb380c47dd2b9f0a51eca8317e145c233a65c7115903</citedby><cites>FETCH-LOGICAL-c364t-94f5c16e68cf512df014abb380c47dd2b9f0a51eca8317e145c233a65c7115903</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.2007.05.033$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,3548,23929,23930,25139,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19153386$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Adam, M.I.</creatorcontrib><title>Effect of magnetic element ions on collective pinning behaviour in Bi-2223 quadrilateral bars</title><title>Physica. 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Hence, collective pinning behaviour of specimens is discussed in view of the intergranular pinning mechanism.</description><subject>AC losses</subject><subject>AC susceptibility</subject><subject>Activation energy</subject><subject>Bi-based cuprates</subject><subject>Bi–(Pb)–Sr–Ca–Cu–O</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Cuprates superconductors (high tc and insulating parent compounds)</subject><subject>Exact sciences and technology</subject><subject>Physics</subject><subject>Properties of type I and type II superconductors</subject><subject>Superconductivity</subject><subject>Vortex lattices ,flux pinning, flux creep</subject><issn>0921-4534</issn><issn>1873-2143</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp9kD1PHDEQhq0IpBwfv4DGTdLt4rHX-1GkSBAJkZBooESWd3YMPvnsw947iX-fvRxSukwzzfO-o3kYuwJRg4D2el1vX98L1lKIrha6Fkp9YivoO1VJaNQJW4lBQtVo1XxmZ6WsxTIwwIo93zpHOPPk-Ma-RJo9cgq0oThzn2LhKXJMISyM3xPf-hh9fOEjvdq9T7vMfeQ_fCWlVPxtZ6fsg50p28BHm8sFO3U2FLr82Ofs6eft481ddf_w6_fN9_sKVdvM1dA4jdBS26PTICcnoLHjqHqBTTdNchycsBoIba-gI2g0SqVsq7ED0INQ5-zrsXeb09uOymw2viCFYCOlXTFKgFBd1y6gOoKYUymZnNlmv7H53YAwB5Vmbf6qNAeVRmizqFxSXz7qbUEbXLYRffkXHUAr1R_avx05Wn7de8qmoKeINPm8CDRT8v-98wfznIqG</recordid><startdate>20071001</startdate><enddate>20071001</enddate><creator>Adam, M.I.</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20071001</creationdate><title>Effect of magnetic element ions on collective pinning behaviour in Bi-2223 quadrilateral bars</title><author>Adam, M.I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-94f5c16e68cf512df014abb380c47dd2b9f0a51eca8317e145c233a65c7115903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>AC losses</topic><topic>AC susceptibility</topic><topic>Activation energy</topic><topic>Bi-based cuprates</topic><topic>Bi–(Pb)–Sr–Ca–Cu–O</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Cuprates superconductors (high tc and insulating parent compounds)</topic><topic>Exact sciences and technology</topic><topic>Physics</topic><topic>Properties of type I and type II superconductors</topic><topic>Superconductivity</topic><topic>Vortex lattices ,flux pinning, flux creep</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Adam, M.I.</creatorcontrib><collection>Pascal-Francis</collection><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>Adam, M.I.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of magnetic element ions on collective pinning behaviour in Bi-2223 quadrilateral bars</atitle><jtitle>Physica. C, Superconductivity</jtitle><date>2007-10-01</date><risdate>2007</risdate><volume>463-465</volume><spage>439</spage><epage>444</epage><pages>439-444</pages><issn>0921-4534</issn><eissn>1873-2143</eissn><abstract>Frequency and ac field dependence of Bi1.6Pb0.4Sr2(Ca1−xMx)2Cu3Oδ quadrilateral bars with x⩽0.02 and M=Pr, Nd, Sm, Gd and Ni, prepared by the conventional reaction method have been measured in the range of low field/frequency ac susceptibility and BSCCO superconducting temperature. The ac loss peak shifts to higher temperature and its summit shows nonlinear change with increasing frequency. Introduction of magnetic ions as defects is found to increase the intergranular critical current Jcm and the flux pinning of Bi(Pb)-2223 system. Application of the power law critical state model suggested that pinning behaviour of specimen could be viewed as hysteretic bulk pinning and/or flux creep. On the other hand, Jcm dependence activation energy is found to obey Ea∝J−μ relation, characteristic of the vortex glass/collective creep. Hence, collective pinning behaviour of specimens is discussed in view of the intergranular pinning mechanism.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.physc.2007.05.033</doi><tpages>6</tpages></addata></record> |
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| ispartof | Physica. C, Superconductivity, 2007-10, Vol.463-465, p.439-444 |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | AC losses AC susceptibility Activation energy Bi-based cuprates Bi–(Pb)–Sr–Ca–Cu–O Condensed matter: electronic structure, electrical, magnetic, and optical properties Cuprates superconductors (high tc and insulating parent compounds) Exact sciences and technology Physics Properties of type I and type II superconductors Superconductivity Vortex lattices ,flux pinning, flux creep |
| title | Effect of magnetic element ions on collective pinning behaviour in Bi-2223 quadrilateral bars |
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