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Magnetic separation of high-Tc YBaCuO and TiBaCaCuO superconductors

✍ Scribed by Eiji Oba; Hideki Miyajama; Yuuich Ishikawa; Shuetsu Haseyama; Shuji Yoshizawa


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
137 KB
Volume
185-189
Category
Article
ISSN
0921-4534

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✦ Synopsis


A method to separate superconducting particles from sintered superconducting powder including non-superconducting components has been developed. It selects and condenses superconducting particles with making use of a force which acts on a particle in an inhomogenous magnetic field. The superconducting particles exhibiting higher T¢ can be selected from as-sintered pellet specimens of Y-Ba-Cu-O and T1-Ba-Ca-Cu-O.


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Polycrystalline samples of single phase of TlxBa2CalCu2Oy have been prepared by a conventional method of powder calcination from a mixture of T1203, BaO 2, CaO and CuO. Three samples (a, b and c) of different compositions as x=2.10, 1.94 and 1.82 and y=8.15, 7.91 and 7.73, respectively, have been st