Interface Driven Pseudo‐Elasticity in a‐Fe Nanowires

Molecular dynamics simulations of bent [100] α‐Fe nanowires show the nucleation of twins and nanoscale interfaces that lead to pseudo‐elasticity during loading/unloading cycles. The new type of interfaces along {110} stems from the accumulation of individual <111>/{112} twin boundaries and stores high interfacial energies. These nonconventional interfaces provide a large part of the driving force for shape recovery upon unloading, while the minimization of surface energy is no longer the dominant driving force. This new pseudo‐elastic effect is not much affected by surface roughness, and can be extended over a wide range of wire diameters, if the sample is seeded with conventional twin boundaries, which will transform to the desired {110} interfaces under bending.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Interface Driven Pseudo‐Elasticity in a‐Fe Nanowires ; volume:26 ; number:5 ; year:2016 ; pages:760-767 ; extent:8
Advanced functional materials ; 26, Heft 5 (2016), 760-767 (gesamt 8)

Creator
Yang, Yang
Li, Suzhi
Ding, Xiangdong
Sun, Jun
Salje, Ekhard K. H.

DOI
10.1002/adfm.201504085
URN
urn:nbn:de:101:1-2022110306432124525433
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
15.08.2025, 7:22 AM CEST

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Associated

  • Yang, Yang
  • Li, Suzhi
  • Ding, Xiangdong
  • Sun, Jun
  • Salje, Ekhard K. H.

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