Eightfold Superstructure in K2Gd2Sb2Se9
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Kyoung-Shin Choi; Jason A. Hanko; Mercouri G. Kanatzidis
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Article
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1999
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Elsevier Science
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English
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The new isostructural compounds, K 2 Gd 2 Sb 2 Se 9 and K 2 La 2 Sb 2 S 9 , were discovered by the molten polychalcogenide salt method. They crystallize in the orthorhombic space group Pbam with a โซุโฌ 11.4880(3) A s , b โซุโฌ 17.6612(1) A s , c โซุโฌ 4.2201(1) A s , and Z โซุโฌ 2 for K 2 Gd 2 Sb 2 Se 9 an