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Appl. Phys. Lett. 69, 1966 (1996); http://dx.doi.org/10.1063/1.117637 (3 pages)

Large magnetic‐field‐induced strains in Ni2MnGa single crystals

K. Ullakko1, J. K. Huang1, C. Kantner1, R. C. O’Handley1, and V. V. Kokorin2

1Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
2Institute of Metal Physics, Kiev, Ukraine

(Received 3 June 1996; accepted 29 July 1996)

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. © 1996 American Institute of Physics.

KEYWORDS and PACS

PACS

  • 75.80.+q

    Magnetomechanical effects, magnetostriction

  • 75.50.Cc

    Other ferromagnetic metals and alloys

  • 81.30.Kf

    Martensitic transformations

ARTICLE DATA

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

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  8. K. Ullakko, P. T. Jakovenko, and V. G. Gavriljuk, Proceedings of Symposium on Smart Structures and Materials, 1996, SPIE–The International Society for Optical Engineering, Vol. 2715 San Diego, February 26-29, 1996.
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