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Synthesis of Sc sulfides by CS2 sulfurization

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Title: Synthesis of Sc sulfides by CS2 sulfurization
Authors: Kaneko, Takumi Browse this author
Yashima, Yuta Browse this author
Ahmadi, Eltefat Browse this author
Natsui, Shungo Browse this author
Suzuki, Ryosuke O. Browse this author →KAKEN DB
Keywords: Synthesis of scandium sulfides
CS2 gas sulfurization
Rare earth compounds
Gas-solid reactions
Issue Date: May-2020
Publisher: Elsevier
Journal Title: Journal of solid state chemistry
Volume: 285
Start Page: 121268
Publisher DOI: 10.1016/j.jssc.2020.121268
Abstract: Scandium sulfides were synthesized from its stable oxide, Sc2O3, using CS2 gas. Suitable temperature and time for synthesis were examined experimentally using a constant flow rate of gas mixture of Ar and CS2. The high rate of evaporation from liquid CS2 enhanced formation and stoichiometry of sulfides, and eliminated impurity carbon. Most of parts in the sample were converted to Sc2S3 at 1473 K for 7.2 ks, and a transient phase of Sc2O2S was often synthesized after a prolonged time under certain oxygen and sulfur potentials.
Rights: ©2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 鈴木 亮輔

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