Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
Volume 33, Issue 28, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217979219503399
Keywords
Crystal structure; DTA analysis; X-ray diffraction
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AgCu1-xFexS compounds were synthesized by partial Cu -> Fe replacement in the AgCuS crystal at a concentration range of 0 <= x <= 0.03. In the differential thermal analysis spectrum obtained at a temperature range of 300 K <= T <= 1300 K, endoeffect corresponding to the structural phase transition in the AgCuS compound was observed at the temperature T = 938 K. It has been determined that this result is also observed in the AgCu0.99Fe0.01S compound obtained by partial replacement of Cu atoms by Fe atoms. However, in the compound of AgCu0.97Fe0.03S this effect was observed at higher temperatures. The thermal capacities and enthalpies of phase transitions were calculated for the given compounds.
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