| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 739143 | Sensors and Actuators A: Physical | 2006 | 4 Pages |
Abstract
In this work we have studied a magnetic shape memory alloy of composition Ni51Mn28Ga21 prepared by rapid quenching in the form of a ribbon. It belongs to the intermediate Group II, showing a martensitic transformation temperature (TM) around room temperature and usually below TC, the magnetic order one. Magnetic characterisation has been performed in a SQUID magnetometer between 250 and 400 K and fields up to 7 T. The determined Curie temperature is 344 K, as deduced from 25 Oe field measurements. Field induced detwining of the variants has been found at fields of about 2 kOe around room temperature with some hysteresis. Effect of annealing of the sample is also discussed.
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Authors
J. Gutiérrez, J.M. Barandiarán, P. Lázpita, C. Seguí, E. Cesari,