Crossover between magnetism and superconductivity in LaFeAsO with low H-doping level
By making a systematic study of the hydrogen-doped LaFeAsO system by means of dc resistivity, dc magnetometry, and muon-spin spectroscopy, we addressed the question of universality of the phase diagram of rare-earth-1111 pnictides. In many respects, the behaviour of LaFeAsO1−xHx resembles that of it...
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| Veröffentlicht in: | Journal of physics. Condensed matter 2014-07, Vol.26 (29), p.295701-295701 |
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| container_issue | 29 |
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| container_title | Journal of physics. Condensed matter |
| container_volume | 26 |
| creator | Lamura, G Shiroka, T Bonfà, P Sanna, S De Renzi, R Caglieris, F Cimberle, M R Iimura, S Hosono, H Putti, M |
| description | By making a systematic study of the hydrogen-doped LaFeAsO system by means of dc resistivity, dc magnetometry, and muon-spin spectroscopy, we addressed the question of universality of the phase diagram of rare-earth-1111 pnictides. In many respects, the behaviour of LaFeAsO1−xHx resembles that of its widely studied F-doped counterpart, with H− realizing a similar (or better) electron doping in the LaO planes. In an x = 0.01 sample we found a long-range spin-density wave (SDW) order with TN = 119 K, while at x = 0.05 the SDW establishes only at 38 K and, below Tc = 10 K, it coexists at a nanoscopic scale with bulk superconductivity. Unlike the abrupt magnetic-superconducting transition found in the La-1111 compound, the presence of a crossover region makes the H-doped system qualitatively similar to other Sm-1111, Ce-1111, and Nd-1111 families. |
| doi_str_mv | 10.1088/0953-8984/26/29/295701 |
| format | Article |
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Condensed matter</title><addtitle>JPhysCM</addtitle><addtitle>J. Phys.: Condens. Matter</addtitle><description>By making a systematic study of the hydrogen-doped LaFeAsO system by means of dc resistivity, dc magnetometry, and muon-spin spectroscopy, we addressed the question of universality of the phase diagram of rare-earth-1111 pnictides. In many respects, the behaviour of LaFeAsO1−xHx resembles that of its widely studied F-doped counterpart, with H− realizing a similar (or better) electron doping in the LaO planes. In an x = 0.01 sample we found a long-range spin-density wave (SDW) order with TN = 119 K, while at x = 0.05 the SDW establishes only at 38 K and, below Tc = 10 K, it coexists at a nanoscopic scale with bulk superconductivity. Unlike the abrupt magnetic-superconducting transition found in the La-1111 compound, the presence of a crossover region makes the H-doped system qualitatively similar to other Sm-1111, Ce-1111, and Nd-1111 families.</description><subject>Condensed matter</subject><subject>Crossovers</subject><subject>Direct current</subject><subject>doped pnictides</subject><subject>Electrical resistivity</subject><subject>LaFeAsO</subject><subject>Magnetism</subject><subject>muon spin spectroscopy</subject><subject>Nanostructure</subject><subject>Phase diagrams</subject><subject>Superconductivity</subject><subject>superconductivity phase diagrams</subject><issn>0953-8984</issn><issn>1361-648X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkNtKxDAQhoMouh5eQXKnN3VzbnMpiydY8EbBu5CmU420TW3aXfbtzbIqCIIwMDB8_z_wIXROyRUlRTEnWvKs0IWYMzVnOo3MCd1DM8oVzZQoXvbR7Ac6QscxvhNCRMHFITpiIuGcyxl6WgwhxrCCAZcwrgE63NrXDkYfW2y7Cseph8GFrprc6Fd-3GDf4aW9hev4iNd-fMNNWOP7rAq9715xAytoTtFBbZsIZ1_7BD3f3jwt7rPl493D4nqZOUnpmEElnYNaaseB53XOQRDNiaS1tExbK6nSlhOVqDKXIqeSclKkOwNd5qLkJ-hy19sP4WOCOJrWRwdNYzsIUzRUpUSupND_o1JwVlAlRELVDnVbNQPUph98a4eNocRs5ZutV7P1apgyTJud_BQ8__oxlS1UP7Fv2wm42AE-9OY9TEOX7BjX_qoxfVUnkv1B_vP_E7tGmyk</recordid><startdate>20140723</startdate><enddate>20140723</enddate><creator>Lamura, G</creator><creator>Shiroka, T</creator><creator>Bonfà, P</creator><creator>Sanna, S</creator><creator>De Renzi, R</creator><creator>Caglieris, F</creator><creator>Cimberle, M R</creator><creator>Iimura, S</creator><creator>Hosono, H</creator><creator>Putti, M</creator><general>IOP Publishing</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20140723</creationdate><title>Crossover between magnetism and superconductivity in LaFeAsO with low H-doping level</title><author>Lamura, G ; Shiroka, T ; Bonfà, P ; Sanna, S ; De Renzi, R ; Caglieris, F ; Cimberle, M R ; Iimura, S ; Hosono, H ; Putti, M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c511t-ed5ccef59c3e37f73e4093051f5a29aa5169a3065ccb7547151308aa52e9b74b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Condensed matter</topic><topic>Crossovers</topic><topic>Direct current</topic><topic>doped pnictides</topic><topic>Electrical resistivity</topic><topic>LaFeAsO</topic><topic>Magnetism</topic><topic>muon spin spectroscopy</topic><topic>Nanostructure</topic><topic>Phase diagrams</topic><topic>Superconductivity</topic><topic>superconductivity phase diagrams</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lamura, G</creatorcontrib><creatorcontrib>Shiroka, T</creatorcontrib><creatorcontrib>Bonfà, P</creatorcontrib><creatorcontrib>Sanna, S</creatorcontrib><creatorcontrib>De Renzi, R</creatorcontrib><creatorcontrib>Caglieris, F</creatorcontrib><creatorcontrib>Cimberle, M R</creatorcontrib><creatorcontrib>Iimura, S</creatorcontrib><creatorcontrib>Hosono, H</creatorcontrib><creatorcontrib>Putti, M</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of physics. Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lamura, G</au><au>Shiroka, T</au><au>Bonfà, P</au><au>Sanna, S</au><au>De Renzi, R</au><au>Caglieris, F</au><au>Cimberle, M R</au><au>Iimura, S</au><au>Hosono, H</au><au>Putti, M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Crossover between magnetism and superconductivity in LaFeAsO with low H-doping level</atitle><jtitle>Journal of physics. Condensed matter</jtitle><stitle>JPhysCM</stitle><addtitle>J. Phys.: Condens. 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| source | Institute of Physics Journals |
| subjects | Condensed matter Crossovers Direct current doped pnictides Electrical resistivity LaFeAsO Magnetism muon spin spectroscopy Nanostructure Phase diagrams Superconductivity superconductivity phase diagrams |
| title | Crossover between magnetism and superconductivity in LaFeAsO with low H-doping level |
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