Enhanced levitation force of partial melted (Y,Er)Ba2Cu3O7-8 superconductors with formation of minor 211 phase / Ahmad Kamal Yahya, Suzi Ahmad and Imad Hamadneh

Yahya, Ahmad Kamal and Ahmad, Suzi and Hamadneh, Imad (2005) Enhanced levitation force of partial melted (Y,Er)Ba2Cu3O7-8 superconductors with formation of minor 211 phase / Ahmad Kamal Yahya, Suzi Ahmad and Imad Hamadneh. Science Letters, 2 (1). pp. 31-39. ISSN 1675-7785

Abstract

Y0.5 Er 0.5 Ba2 Cu307-8 superconductors with Er2 O3 addition were prepared by partial melting and the effects of excess Er2 03 addition on the magnetic levitation force (MLF) of the partial-melted samples have been investigated. A non-linear relationship was observed between the MLF measured at 77 K and the amount of Er2 O3. It was found that the optimum amount of excess Er2 O3 for enhanced MLF is 10 wt.%. X-ray powder diffraction analysis showed formation of major 123 phase with minor 211 non-superconducting phase for all samples. The results were discussed in detail and the presence of 211 impurities is suggested to act as pinning centers in the 123 samples.

Metadata

Item Type: Article
Creators:
CreatorsID Num. / Email
Yahya, Ahmad Kamalahmad191@salam.uitm.edu.my
Ahmad, SuziUNSPECIFIED
Hamadneh, ImadUNSPECIFIED
Subjects: Q Science > QC Physics > Electricity and magnetism
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Applied Sciences
Journal or Publication Title: Science Letters
Journal: UiTM Journal > Science Letters
ISSN: 1675-7785
Volume: 2
Number: 1
Page Range: pp. 31-39
Item ID: 11790
Uncontrolled Keywords: Y0.5Er0.5Ba2Cu3O7-8 superconductors, magnetic levitation force, 211 phase
URI: http://ir.uitm.edu.my/id/eprint/11790

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