{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["7(3)"],"submitter":["Wolff KK"],"pubmed_abstract":["A representative of the fluoride-containing iron pnictide high-temperature superconductors, namely CaFFeAs, was doped with sodium up to the composition Ca<sub>0.86</sub>Na<sub>0.14</sub>FFeAs for the first time. Single crystals with an edge length in the range of 0.1 - 2.0 mm were obtained via solid-state and flux syntheses, respectively. The composition of the crystals was verified by means of single crystal X-ray diffractometry and energy dispersive X-ray spectroscopy (EDX). Measurements of the electrical resistivity, as well as the magnetization on a crystal of Ca<sub>0.89</sub>Na<sub>0.11</sub>FFeAs both show a transition to the superconducting state on cooling to 34.5 K. Investigations of the upper critical fields reveal an anisotropy ratio of about five. The lattice parameters and mo"],"journal":["Materials (Basel, Switzerland)"],"pagination":["1984-1994"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC5453247"],"repository":["biostudies-literature"],"pubmed_title":["Synthesis and Characterization of Superconducting Ca₁<sub>-</sub><i><sub>x</sub></i>Na<i><sub>x</sub></i>FFeAs."],"pmcid":["PMC5453247"],"pubmed_authors":["Shlyk L","Schleid T","Rose E","Wolff KK","Bischoff M","Niewa R"],"additional_accession":[]},"is_claimable":false,"name":"Synthesis and Characterization of Superconducting Ca₁<sub>-</sub><i><sub>x</sub></i>Na<i><sub>x</sub></i>FFeAs.","description":"A representative of the fluoride-containing iron pnictide high-temperature superconductors, namely CaFFeAs, was doped with sodium up to the composition Ca<sub>0.86</sub>Na<sub>0.14</sub>FFeAs for the first time. Single crystals with an edge length in the range of 0.1 - 2.0 mm were obtained via solid-state and flux syntheses, respectively. The composition of the crystals was verified by means of single crystal X-ray diffractometry and energy dispersive X-ray spectroscopy (EDX). Measurements of the electrical resistivity, as well as the magnetization on a crystal of Ca<sub>0.89</sub>Na<sub>0.11</sub>FFeAs both show a transition to the superconducting state on cooling to 34.5 K. Investigations of the upper critical fields reveal an anisotropy ratio of about five. The lattice parameters and mo","dates":{"release":"2014-01-01T00:00:00Z","publication":"2014 Mar","modification":"2025-04-05T14:24:38.027Z","creation":"2019-03-27T02:46:29Z"},"accession":"S-EPMC5453247","cross_references":{"pubmed":["28788551"],"doi":["10.3390/ma7031984"]}}