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Factors influencing the martensitic transformation in Ni<sub>50</sub>Mn<sub>35</sub>Sn<sub>15</sub>: an EXAFS study

Factors influencing the martensitic transformation in Ni<sub>50</sub>Mn<sub>35</sub>Sn<sub>15</sub>: an EXAFS study

Extended x-ray absorption fine-structure (EXAFS) measurements have been carried out on Ni$_{50}$Mn$_{35}$Sn$_{15}$ in the austenitic and martensitic phase. The temperatures associated with structural and magnetic phase transformations are obtained from magnetization measurements. The system orders ferromagnetically below 319 K while the structural phase transition occurs at T$_M$ $\sim$ 200 K. …