NDLI: Ion Beam Analysis and Physical Properties Measurements of (Tl$_{0.8}$Hg$_{0.2−x }$Sb$_{ x }$)Ba$_{2}$Ca$_{2}$Cu$_{3}$O$

Content Provider	Springer Nature Link
Author	Abou Aly, A. I. Mohammed, N. H. Roumié, M. El Khatib, A. Awad, R. ur El Dein, S. A.
Copyright Year	2009
Abstract	The superconducting phase (Tl$_{0.8}$ Hg$_{0.2−x }$Sb$_{ x }$) Ba$_{2}$Ca$_{2}$Cu$_{3}$O$_{9−δ }$, with 0.0 ≤x≤0.2, was characterized by means of X-ray powder diffraction (XRD), scanning electron microscope (SEM), proton induced X-ray emission (PIXE), Rutherford backscattering spectrometry (RBS), electrical resistivity (ρ) and transport critical current density (J $_{ct}$). The tetragonal structure of (Tl, Hg)-1223 remains unchanged with antimony-substitution, whereas the lattice parameters were changed. The actual elemental-content of Tl, Hg, Sb, Ba, Ca and Cu, determined from PIXE, were very close to those of the nominal elemental-content. The oxygen-stoichiometry of the prepared samples was determined by non-Rutherford backscattering cross section at 3 MeV H$^{+}$. A little increase in the oxygen stoichiometry was observed as Sb-content increased. The superconducting transition temperature T $_{c}$, determined from electrical resistivity, increased from 124.8 K to 131.5 K as x increased from 0.0 to 0.1 and then it decreased with the further increase in x. The same behavior is obtained for J $_{ct}$ vs. x. This indicates that the optimal Sb-substitution in (Tl, Hg)-1223 is at about x=0.1.
Starting Page	495
Ending Page	504
Page Count	10
File Format	PDF
ISSN	15571939
Journal	Journal of Superconductivity and Novel Magnetism
Volume Number	22
Issue Number	5
e-ISSN	15571947
Language	English
Publisher	Springer US
Publisher Date	2009-02-24
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sb-substitution PIXE RBS Transport critical current density Characterization and Evaluation of Materials Magnetism, Magnetic Materials Superconductivity, Superfluidity, Quantum Fluids Condensed Matter
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Condensed Matter Physics

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