Superelasticity and cryogenic linear shape memory effects of CaFe2As2

Shape memory materials are capable of returning to their original form post-deformation, but those with high actuation performances remain scarce. Here the authors reveal that CaFe2As2 exhibits cryogenic linear shape memory behaviour with high recoverable strain and yield strength, owing to a revers...

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Bibliographic Details
Main Authors: John T. Sypek, Hang Yu, Keith J. Dusoe, Gil Drachuck, Hetal Patel, Amanda M. Giroux, Alan I. Goldman, Andreas Kreyssig, Paul C. Canfield, Sergey L. Bud’ko, Christopher R. Weinberger, Seok-Woo Lee
Format: article
Language:EN
Published: Nature Portfolio 2017
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Online Access:https://doaj.org/article/5d5ea4f2c11b49b990ed473f5058b4c1
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Summary:Shape memory materials are capable of returning to their original form post-deformation, but those with high actuation performances remain scarce. Here the authors reveal that CaFe2As2 exhibits cryogenic linear shape memory behaviour with high recoverable strain and yield strength, owing to a reversible uni-axial phase transformation.