Schottky defects in nanoparticles

Guisbiers, Grégory
(2011) The Journal of Physical Chemistry Part C: Nanomaterials and Interfaces — Vol. 115, n° 6, p. 2616-2621 (2011)

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  • Guisbiers, GrégoryUCLouvain
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Abstract
Vacancies play a major role in the electrical and thermal transport as well as the mechanical behavior of materials. To understand the processes occurring in nanomaterials during heat treatment and mechanical deformation, the size effects on the vacancy formation energy and entropy have to be considered. As these material properties are hardly measurable experimentally, particularly in nanoparticles, a theoretical model calculating the size-dependent vacancy formation energy and entropy has been developed in this study. It has been found that size reduction makes the vacancy much easier to form; then the vacancy concentration increases when size reduces and temperature increases. © 2011 American Chemical Society.
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Guisbiers, G. (2011). Schottky defects in nanoparticles. The Journal of Physical Chemistry Part C: Nanomaterials and Interfaces, 115(6), 2616-2621. https://doi.org/10.1021/jp108041q (Original work published 2011)