Experimental Investigation of the Binary Mn-Sb Phase Diagram |
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Authors: | Peter Kainzbauer Klaus W Richter Herbert Ipser |
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Affiliation: | 1.Department of Inorganic Chemistry – Functional Materials,University of Vienna,Vienna,Austria |
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Abstract: | The binary manganese-antimony (Mn-Sb) phase diagram was reinvestigated in the whole composition range using powder-XRD, DTA and SEM-EDX. The phase boundaries and melting temperatures of the ferromagnetic phases MnSb and Mn2Sb were modified by taking into account the new experimental data. Most of the reaction temperatures could be verified within a range of ±10 °C. Nevertheless, a few temperatures had to be revised, such as the eutectic reaction L → β-Mn + Mn 2 Sb at 893 °C and the eutectoid reaction β-Mn → α-Mn + Mn 2 Sb at 718 °C. The previously reported peritectic melting behavior of MnSb could be confirmed. The variation of the lattice parameters of the NiAs-(B8 1 ) type MnSb phase with composition was determined. A revised version of the of the Mn-Sb phase diagram is presented. |
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