Journal
PROGRESS IN CRYSTAL GROWTH AND CHARACTERIZATION OF MATERIALS
Volume 62, Issue 2, Pages 69-88Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pcrysgrow.2016.04.003
Keywords
In situ TEM; Nucleation; Crystal growth; Oriented attachment; Calcium carbonate; Iron oxide
Funding
- Direct For Mathematical & Physical Scien [1312697] Funding Source: National Science Foundation
- Division Of Materials Research [1312697] Funding Source: National Science Foundation
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Nucleation and growth of crystals is a pervasive phenomenon in the synthesis of man-made materials, as well as mineral formation within geochemical and biological environments. Over the past two decades, numerous ex situ studies of crystallization have concluded that nucleation and growth pathways are more complex than envisioned within classical models. The recent development of in situ liquid phase TEM (LP-TEM) has led to new insights into such pathways by enabling direct, real-time observations of nucleation and growth events. Here we report results from LP-TEM studies of Au nanoparticle, CaCO3 and iron oxide formation. We show how these in situ data can be used to obtain direct evidence for the mechanisms underlying crystallization, as well as dynamic information that provides constraints on important kinetic and thermodynamic parameters not available through ex situ methods. (C) 2016 Elsevier Ltd. All rights reserved.
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