High junction and twin boundary densities in driven dynamical systems.

Adv Mater. 2012 Oct 9;24(39):5385-9.

Ding X, Zhao Z, Lookman T, Saxena A, Salje EK.

State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China. [email protected].

 

Abstract

A novel mechanism for the generation of device materials with very high domain boundary densities is described: we shear the sample in a computer experiment and achieve higher twin densities than in rapid quench. These domain patterns are very stable. Elastically soft materials (image with 6.4$ \times $10(5) atoms) has greater twin densities than hard materials, even for nano-crystals.

Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

 

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