Structure and physical properties of iron-selenide KxFe2-ySe2

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dc.authoridYAKINCI, KÜBRA/0000-0003-1257-1532
dc.authoridTAKANO, Yoshihiko/0000-0002-1541-6928
dc.authoridEkicibil, Ahmet/0000-0003-3071-0444;
dc.authorwosidgüler, nilay kantarcı/AAU-5912-2020
dc.authorwosidTAKEYA, Hiroyuki/H-2552-2011
dc.authorwosidYAKINCI, KÜBRA/AAG-5219-2019
dc.authorwosidÖzçelik, Bekir/C-5986-2018
dc.authorwosidTAKANO, Yoshihiko/H-2788-2011
dc.authorwosidEkicibil, Ahmet/G-2467-2019
dc.authorwosidEkicibil, Ahmet/B-8888-2018
dc.contributor.authorGuler, Nilay Kantarci
dc.contributor.authorOzcelik, Bekir
dc.contributor.authorEkicibil, Ahmet
dc.contributor.authorOnar, Kubra
dc.contributor.authorYakinci, M. Eyyuphan
dc.contributor.authorOkazaki, H.
dc.contributor.authorTakeya, H.
dc.date.accessioned2024-08-04T20:41:11Z
dc.date.available2024-08-04T20:41:11Z
dc.date.issued2015
dc.departmentİnönü Üniversitesien_US
dc.description.abstractWe have synthesized the superconducting KxFe2-ySe2 (x = 0.8) crystal by using the one step technique. SEM images demonstrate terrace-like structures on the surface and the sample contains two phases. XRD pattern gives the (00l) peaks. The main peaks are indexed to the I4/m space group and the lattice parameter c is calculated to be 13.94076 angstrom. ZFC magnetization measurement exhibits a very sharp transition which indicates the presence of superconductivity in the crystal. The superconducting transition temperature, T-c(mag), obtained from magnetization measurement is estimated to be 31 K. The critical current value, Jc(0), deduced from the M-H loops for sample is approximately 9 x 10(4) A/cm(2) at 5 K. From magnetoresistivity measurement the T-c, T-c(onset) and T-c(offset) temperatures at the absence of the external magnetic field are found as 32.2, 33.1 K and 31.5 K, respectively. The calculated flux pinning or activation energy U is around 0.46 eV for 0 T. (C) 2015 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [112T767]; Research Fund of Cukurova University, Adana, Turkey [FDK-2014-1915, FEF2013DP11]; Grants-in-Aid for Scientific Research [25420697] Funding Source: KAKENen_US
dc.description.sponsorshipThis work is supported by the Scientific and Technological Research Council of Turkey (TUBITAK) under Grant No. 112T767 and Research Fund of Cukurova University, Adana, Turkey, under grant contracts no: FDK-2014-1915, and FEF2013DP11. We wish to thank Dr. MasashiTanaka from National Institute for Materials Science (NIMS)-Japan for valuable discussions on BSE results.en_US
dc.identifier.doi10.1016/j.matchemphys.2015.08.037
dc.identifier.endpage162en_US
dc.identifier.issn0254-0584
dc.identifier.issn1879-3312
dc.identifier.scopus2-s2.0-84941353743en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage157en_US
dc.identifier.urihttps://doi.org/10.1016/j.matchemphys.2015.08.037
dc.identifier.urihttps://hdl.handle.net/11616/96974
dc.identifier.volume164en_US
dc.identifier.wosWOS:000362144800021en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Saen_US
dc.relation.ispartofMaterials Chemistry and Physicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSuperconductivityen_US
dc.subjectCrystal growthen_US
dc.subjectSEMen_US
dc.subjectX-ray differactionen_US
dc.subjectMagnetoresistivityen_US
dc.titleStructure and physical properties of iron-selenide KxFe2-ySe2en_US
dc.typeArticleen_US

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