Chemical and Physical Properties of MnPtSi

Ackerbauer, Sarah, Gamza, Monika orcid iconORCID: 0000-0003-3360-4006, Rosner, Helge, Carrillo-Cabrera, Wilder, Schnelle, Walter, Senyshyn, Anatoliy, Leithe-Jasper, Andreas and Grin, Yuri (2012) Chemical and Physical Properties of MnPtSi. Zeitschrift für anorganische und allgemeine Chemie, 638 (10). p. 1638. ISSN 00442313

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The new intermetallic compound MnPtSi was synthesized, and its crystal structure was solved and refined from single-crystal X-ray diffraction data. MnPtSi crystallizes in the orthorhombic TiNiSi structure type.1 The microstructure of polycrystalline samples show strong twinning. Structural phase transitions within the AlB2 structure family were observed in similar systems (MnNiGe, MnCoGe2). Therefore, we investigated the homogeneity range and performed in-situ high-temperature diffraction measurements. No high-temperature modification was observed. Theoretical calculations to confirm the experimental founding and give an explanation for the stability of the orthorhombic structure are in process.

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