The crystal structure of the LiAg2In compound |
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| Authors: | VV Pavlyuk IV Chumak H Pauly |
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| Institution: | a Department of Inorganic Chemistry, Ivan Franko Lviv National University, Kyryla i Mefodia 6, 79005 Lviv, Ukraine
b Materials Science, Darmstadt University of Technology, Petersenstraße 23, D-64287 Darmstadt, Germany |
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| Abstract: | The newly established intermetallic compound LiAg2In crystallizes in the MnCu2Al-type structure (Fm-3m, Heusler phase) with  . The homogeneity range of this phase in the ternary Li-Ag-In phase diagram along the adjacent quasibinary cut Li0.25(Ag1−xInx)0.75 was determined by X-ray powder diffraction and extends from x∼0.33, Li0.25Ag0.50In0.25, up to x∼0.44, Li0.25Ag0.42In0.33. The homogeneity ranges of Heusler- and Zintl-type phases in the Li-Ag-In system are separated from each other by a broad heterogeneous region. |
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| Keywords: | Zintl phase Heusler phase LiAg2In Li0 25(Ag1&minus xInx)0 75 |
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