The study of the properties of Hg 0.6Tl 0.4Ba2Ca 2(Cu1-xAgx)3 O 8+δ compound

Kareem A. Jasim and Raghad S. Al-Khafaji
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Kareem A. Jasim: Department of Physics, University of Baghdad, Baghdad, Iraq
Raghad S. Al-Khafaji: Department of Physics, University of Baghdad, Baghdad, Iraq

Journal of Applied and Physical Sciences, 2017, vol. 3, issue 1, 26-31

Abstract: Bulk polycrystalline Hg0.6Tl0.4Ba2Ca2(Cu1-xAgx)3O8+δ compound compound samples with x = 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 and 0.7, are synthesized by solid state reaction process. Study identifies Silver substitution on superconductivity behavior. Structural specifications are deliberated by using X-ray powder pattern, the high temperature phase superconductor (Hg-1223) of the tetragonal structure didn't change with the partial replacement of Cu+2 by Ag+1 ions, lattice parameters a, c ,c/a are established to vary as function of Ag- substitution. Transition temperature (Tc) has been calculated using technique of fourprobe to measure electrical resistivity. Transition temperature at zero resistivity T c(of fset) decreases from 117 to 86 K with increasing Ag. In addition, dielectric properties (dielectric constant and loss) are characterized directly by relating with Ag concentration.

Keywords: Superconductivity; Electrical Resistivity; Lattice Parameters; Transition Temperature; Dielectric Properties (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:apb:japsss:2017:p:26-31

DOI: 10.20474/japs-3.1.4

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