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Large magnetic-field-induced strains in Ni2MnGa single crystals
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1996
Year
EngineeringSevere Plastic DeformationMagnetic ResonanceMagnetic MaterialsMagnetismUnstressed CrystalsNi2mnga Single CrystalsCrystal FormationMaterials SciencePhysicsCrystal MaterialSolid MechanicsMagnetic FieldsMagnetic MaterialCrystallographyMicrostructureFerromagnetismTwin BoundariesNatural SciencesCondensed Matter PhysicsApplied Physics
Strains of nearly 0.2% have been induced along [001] in unstressed crystals of Ni2MnGa with magnetic fields of 8 kOe applied at 265 K. These stains are associated with the superelastic motion of twin boundaries in the martensitic phase that is stable below about 274 K.