Preparation of Tl2Ba2Ca3Cu4Oy by the capillary synthetic method期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Preparation of Tl2Ba2Ca3Cu4Oy by the capillary synthetic method

Authors:	Shoichi Hashiguchi Tsugio Sato Tadashi Endo Masahiko Shimada

Affiliation:	(1) Department of Molecular Chemistry and Engineering, Faculty of Engineering, Tohoku University, Aoba, Sendai, 980 Miyagi, Japan;(2) Central Research Laboratory, Sumitomo Cement Co. Ltd., Funabashi, 274 Chiba, Japan

Abstract:	A new phase of Tl₂Ba₂Ca₃Cu₄O_y withT_c = 100 K was prepared by the capillary synthetic method using Tl₂O₃, BaCuO₂ and Ca₂CuO₃ as starting materials. The present capillary synthetic method was useful to obtain the single phase of Tl₂Ba₂CaCu₂O_y Tl₂Ba₂Ca₂Cu₃O_y and Tl₂Ba₂Ca₃Cu₄O_y by solid state reactions using Tl₂O₃ BaCuO₂, and Ca₂CuO₃ as starting materials.

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