Exchange Bias Effect in Ni-Mn Heusler Alloys
In this chapter the exchange bias (EB) properties of bulk Mn-rich Ni50-xMn37+xSn13 (0 ≤ x ≤ 4) Heusler alloys has been discussed by changing the Ni-Mn concentration. In these alloys the exchange bias field increases with the excess Mn concentration, but exchange bias blocking temperature (TEB) decre...
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| Autores principales: | , |
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| Formato: | Capítulo de libro |
| Lenguaje: | inglés |
| Publicado: |
IntechOpen
2020
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| Materias: | |
| Acceso en línea: | https://www.intechopen.com/chapters/71875 |
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| Sumario: | In this chapter the exchange bias (EB) properties of bulk Mn-rich Ni50-xMn37+xSn13 (0 ≤ x ≤ 4) Heusler alloys has been discussed by changing the Ni-Mn concentration. In these alloys the exchange bias field increases with the excess Mn concentration, but exchange bias blocking temperature (TEB) decreases from 149 to 9 K. The hysteresis loop for Ni46Mn41Sn13 alloy shows a maximum shift of 377 Oe. The exchange bias property is strongly influenced by varying Ni-Mn concentration in Ni-Mn-Sn alloys then the variation of Mn/Sn. We have observed in these alloys that the TEB would show a decreasing value either by changing the Ni or Sn concentration while the Mn content is above 37% in Ni-Mn-Sn alloys. |
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| ISBN: | 978-1-83881-164-8 |
| DOI: | 10.5772/intechopen.91473 |