Publication:
Effects of Ge Doping on the AC Susceptibility and Electrical Properties of Tl(Ba,Sr)CaCu2O7 Superconductor

Simple item page
dc.citedby1
dc.contributor.authorIlhamsyah A.B.P.en_US
dc.contributor.authorMujaini M.en_US
dc.contributor.authorMohamed H.en_US
dc.contributor.authorAbd-Shukor R.en_US
dc.contributor.authorid57209134726en_US
dc.contributor.authorid54982692300en_US
dc.contributor.authorid57136356100en_US
dc.contributor.authorid7004750914en_US
dc.date.accessioned2024-10-14T03:18:21Z
dc.date.available2024-10-14T03:18:21Z
dc.date.issued2023
dc.description.abstractThe TlSr2CaCu2O7 ceramic is not easily prepared in the superconducting form but superconducts at higher temperatures than TlBa2CaCu2O7 with proper elemental substitutions. The combination of Ba and Sr in Tl(Ba,Sr)CaCu2O7 with a suitable elemental substitution is an interesting topic to study. In this paper, the effects of Ge on the superconductivity of Tl1-xGe xBaSrCaCu2O7 for x = 0 to 0.6 are reported. The samples were prepared via the conventional solid-state reaction method. Powder X-ray diffraction patterns revealed a single Tl-1212 phase for the x = 0�0.2 samples. The electrical resistance versus temperature curves showed metallic normal state behavior for all samples with onset transition temperature Tc-onset between 90 and 100�K and zero transition temperature Tc-zero between 67 and 81�K. Ge-doping suppressed Tc-onset and the AC susceptibility transition temperature, Tc?� but enhanced Tc-zero and narrowed the transition width ?Tc. The x = 0.3 sample showed the highest Tp indicating the improvement of the intergrain coupling. Tp is the peak temperature of the imaginary part, ?� of the complex susceptibility. The intergrain critical current density, Jc at the peak temperature Tp for all samples was between 15 and 18 A cm?2. Lower doping of Ge increased the homogeneities of the individual superconducting grains and enhanced intergrain coupling. The role of ionic radius and GeO2/CuO2 layers on the superconductivity of Tl(Ba,Sr)CaCu2O7 are discussed. � 2023, This is a U.S. Government work and not under copyright protection in the USen_US
dc.description.abstractforeign copyright protection may apply.en_US
dc.description.natureFinalen_US
dc.identifier.doi10.1007/s10948-023-06578-5
dc.identifier.epage1333
dc.identifier.issue5
dc.identifier.scopus2-s2.0-85160588503
dc.identifier.spage1323
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85160588503&doi=10.1007%2fs10948-023-06578-5&partnerID=40&md5=ffdd9a2d930956c1b0b328de2c5868f7
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/34191
dc.identifier.volume36
dc.pagecount10
dc.publisherSpringeren_US
dc.sourceScopus
dc.sourcetitleJournal of Superconductivity and Novel Magnetism
dc.subjectAC susceptibility
dc.subjectCritical current density
dc.subjectMicrostructure
dc.subjectBarium compounds
dc.subjectCalcium compounds
dc.subjectGermanium
dc.subjectGermanium oxides
dc.subjectMagnetic susceptibility
dc.subjectSolid state reactions
dc.subjectStrontium compounds
dc.subjectTemperature
dc.subjectA.C. susceptibility
dc.subjectCritical current density
dc.subjectElectrical resistances
dc.subjectGe-doping
dc.subjectHighest temperature
dc.subjectInter-grain couplings
dc.subjectPeak temperatures
dc.subjectSolid state reaction method
dc.subjectTl-1212
dc.subjectX ray diffraction patterns
dc.subjectCopper compounds
dc.titleEffects of Ge Doping on the AC Susceptibility and Electrical Properties of Tl(Ba,Sr)CaCu2O7 Superconductoren_US
dc.typeArticleen_US
dspace.entity.typePublication
Files
Collections
SCOPUS