On the Coprecipitation Method for the Preparation of High Tc M-X-Cu-O (M=Ba, Sr, X=La, Y) System

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Copyright (c) 1987 The Japan Society of Applied Physics
, , Citation Keiji Kaneko et al 1987 Jpn. J. Appl. Phys. 26 L734 DOI 10.1143/JJAP.26.L734

1347-4065/26/5A/L734

Abstract

The maximum yield for each solute is obtained at different pH values. The pH values of 2.3 and 4 are optimum for the preparation of Ba-La-Cu-O, Sr-La-Cu-O and Ba-Y-Cu-O, respectively. The composition ratio of the high Tc superconducting materials was 0.54:0.33:1 (Ba:Y:Cu).

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10.1143/JJAP.26.L734