Superconducting properties of yttrium, y subtitution in bscco-2223 / Muhammad Ridzwan Ramli

Ramli, Muhammad Ridzwan (2017) Superconducting properties of yttrium, y subtitution in bscco-2223 / Muhammad Ridzwan Ramli. [Student Project] (Unpublished)

Abstract

In this study, the Bi1.6-xYxPbo.4Sr2Ca2Cu30 δ has been made with yttrium
concentration, x = 0.00, 0.02, 0.05, 0.10, 0.15, 0.20. The samples were prepared
by using solid state method by mixing powders of Bh03, Y203, PbO, srCo3,
CaC03 and CuO. The samples were characterized by X-ray diffraction and
electrical resistivity measurement by four point probe. It was found that further
addition of Yttrium decreased the critical temperature, Tc and critical current
density, Jc. All the samples have Tc zero in the range of 50K to 97K. The
decreasing of Tc value due to the decreasing of the hole concentration and
transport properties of the samples. The Jc value was measured to be 0.947
A/cm2 for pure sample and decrease to 0.266 A/cm2 for x= 0.02 at 77K. The
crystallographic structure of all the samples form in orthorhombic shape

Metadata

Item Type: Student Project
Creators:
Creators
Email / ID Num.
Ramli, Muhammad Ridzwan
UNSPECIFIED
Subjects: Q Science > QC Physics > Composite materials
Q Science > QC Physics > Heat > Thermal conductivity
Q Science > QC Physics > Electricity and magnetism > Electricity
Divisions: Universiti Teknologi MARA, Pahang > Jengka Campus > Faculty of Applied Sciences
Programme: Bachelor of Science (Hons.) Physics
Keywords: Yttrium concentration, X-ray diffraction, Electrical resistivity measurement, Four point probe, Crystallographic structure
Date: 2017
URI: https://ir.uitm.edu.my/id/eprint/23805
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