Magnetic flux penetration in polycrystalline SmFeO0.75F0.2As

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dc.contributor.author Lin, Zhi Wei en_US
dc.contributor.author Li, Yongjian en_US
dc.contributor.author Zhu, Jianguo en_US
dc.contributor.author Guo, Youguang en_US
dc.contributor.author Wang, Xiaolin en_US
dc.contributor.editor en_US
dc.date.accessioned 2012-02-02T10:57:05Z
dc.date.available 2012-02-02T10:57:05Z
dc.date.issued 2010 en_US
dc.identifier 2010000719 en_US
dc.identifier.citation Lin Zhi Wei (Jack) et al. 2010, 'Magnetic flux penetration in polycrystalline SmFeO0.75F0.2As', American Institute of Physics, vol. 107, no. 9, pp. 09E114-1-09E114-3. en_US
dc.identifier.issn 0021-8979 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/15398
dc.description.abstract The recently discovered Fe-As superconducting materials which show high potential ability to carry current due to their low anisotropy have attracted a great number of attentions to understand their superconductivity mechanism and explore their applications. This paper presents a method to synthesis SmFeO0.75F0.20As polycrystalline by hot press in detail. The magnetization at different temperatures and applied fields obtained by a superconducting quantum interference device are also discussed. In addition, the local magnetization process is presented by magneto-optical imaging technique at the conditions of zero-field-cooling and field-cooling. It is found that the collective magnetization process of the newly discovered Fe-As superconductors is very similar to that of high-Tc cuprates. For instance, the Fe-As superconductors and high-Tc cuprates have the same magnetization features due to strong pining and intergrain weak link. The global supercurrent is significantly lower than local grain supercurrent due to the weak line between the grains. en_US
dc.language en_US
dc.publisher American Institute of Physics en_US
dc.relation.hasversion Accepted manuscript version en_US
dc.rights The following article has been submitted to/accepted by Journal of Applied Physics. After it is published, it will be found at http://dx.doi.org/10.1063/1.3366606 en_US
dc.title Magnetic flux penetration in polycrystalline SmFeO0.75F0.2As en_US
dc.parent Journal of Applied Physics en_US
dc.journal.volume 107 en_US
dc.journal.number 9 en_US
dc.publocation Melville, USA en_US
dc.identifier.startpage 09E114-1 en_US
dc.identifier.endpage 09E114-3 en_US
dc.cauo.name FEIT.School of Elec, Mech and Mechatronic Systems en_US
dc.conference Verified OK en_US
dc.for 091200 en_US
dc.personcode 020518 en_US
dc.personcode 106617 en_US
dc.personcode 910870 en_US
dc.personcode 990817 en_US
dc.personcode 0000024993 en_US
dc.percentage 50 en_US
dc.classification.name Materials Engineering en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords SQUIDs , high-temperature superconductors , hot pressing , iron compounds , magnetic anisotropy , magnetic flux , magnetic superconductors , magnetisation , samarium compounds en_US


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