Direct Measure of Giant Magnetocaloric Entropy Contributions in Ni-Mn-In

  title={Direct Measure of Giant Magnetocaloric Entropy Contributions in Ni-Mn-In},
  author={Jing-Han Chen and Nickolaus M. Bruno and I Karaman and Yujin Huang and Jianguo Li and Joseph H. Ross},
Off-stoichiometric alloys based on Ni2MnIn have drawn attention due to the coupled first order magnetic and structural transformations, and the large magnetocaloric entropy associated with the transformations. Here we describe calorimetric and magnetic studies of four compositions. The results provide a direct measure of entropy change contributions at low temperatures as well as at the first-order phase transitions. Thereby we determine the maximum possible field-induced entropy change… CONTINUE READING

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