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Title Preparation of Pure DyBa2Cu3O7-X Nanocluster Superconductors using Biopolymer Chitosan
Authors Alikhanzadeh, A.S.
Azimzadeh, A.M.
ORCID
Keywords Superconductor
Chitosan Biopolymer
Sol gel Method
Nanostructures
DyBa2Cu3O7-X
Type Conference Papers
Date of Issue 2012
URI http://essuir.sumdu.edu.ua/handle/123456789/34952
Publisher Sumy State University
License
Citation Alikhanzadeh, Arani S. Preparation of Pure DyBa2Cu3O7-X Nanocluster Superconductors using Biopolymer Chitosan / A. S. Alikhanzadeh, A. M. Azimzadeh // Nanomaterials: Applications & Properties (NAP-2012) : 2-nd International conference, Alushta, the Crimea, September 17-22, 2012 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2012. - V. 1, No2. - 02NNBM14-02NNBM14.
Abstract We used sol-gel method for synthesizing nanoclusters of DyBa2Cu3O7-X high TC type II superconductor in presence of biopolymer chitosan. In the first stage, the precursor and biopolymer aggregated into amorphous matrix and hydrogels are then formed by thermogelling. The fibrous nature of the biopolymer chitosan is retained at high temperatures up to 500 °C. After heating to 900 °C, complete decomposition of BaCO3 and formation of the superconductor nanoparticles (with a diameter of 10-20 nm) occurred subsequently. Characterization of specimens was performed using scanning electron microscopy and transmission electron microscopy, supported by other techniques including XRD diffraction, energy dispersive X-ray, FT-IR spectrum and magnetic susceptibility measurements. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/34952
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