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Preferential faceting of coherent interfaces in binary nanocrystals

Emanuele Panizon and Riccardo Ferrando
Phys. Rev. B 90, 201410(R) – Published 25 November 2014
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Abstract

The energetic stability of coherent interfaces in core-shell binary nanocrystals is studied by atomistic modeling. Universal trends in preferential facet orientations are found, depending on the sign of the lattice mismatch between the elements. The results are explained in terms of structural relaxation processes common to all systems analyzed. These findings have a general character, so that they can be useful to understand and predict equilibrium shapes of small inclusions in systems where the Wulff theorem fails due to non-negligible strain.

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  • Received 2 July 2014
  • Revised 12 November 2014

DOI:https://doi.org/10.1103/PhysRevB.90.201410

©2014 American Physical Society

Authors & Affiliations

Emanuele Panizon and Riccardo Ferrando*

  • Dipartimento di Fisica and IMEM/CNR, Via Dodecaneso 33, I-16146 Genova, Italy

  • *Corresponding author: ferrando@fisica.unige.it

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Issue

Vol. 90, Iss. 20 — 15 November 2014

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