Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 311, Issue 2, Pages 214-223Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0925-8388(00)01134-8
Keywords
chemical synthesis; semicoductors; crystal structure
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Synthetic reaction of barium zirconium sulfide, BaZrS3, was studied in a large excess amount of sulfur melt at temperatures of 623-723 K and in the presence of a small amount of excess sulfur at temperatures of 623-823 K, respectively. The results showed that BaZrS3 was formed with high yields by heating at temperatures ranging from 723 to 873 K, if a proper amount of excess sulfur and 10 mole% of BaCl2 were added in the starting materials. The compound could be obtained in almost a single phase with only 2-3 mole% ZrO2 impurity after the 8 min water treatment of the products obtained at 873 K. The modified method studied in this paper, i.e. reaction in the medium temperature range of 723-873 Ii, was shown to be applicable for synthesizing the mixed sulfides of some kinds including BaZrS3. (C) 2000 Elsevier Science S.A. All rights reserved.
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