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Atomic Imaging of Phase Transitions and Morphology Transformations in Nanocrystals

Journal
Advanced Materials
Publisher
Wiley Blackwell (John Wiley & Sons)
Publication Date
Dec 28, 2009
Volume
21
Issue
48
Identifiers
DOI: 10.1002/adma.200902561
License
Unknown

Abstract

"Figure Presented" A newly developed SiN microhotplate allows specimens to be studied at temperatures up to 1000 K at a resolution of 100 picometer (see image). Aberrationcorrected transmission electron microscopy has become a commonplace tool to investigate stable crystals; however, imaging transient nanocrystals is much more demanding. Morphological transformations in gold nanoparticles and layerby-layer sublimation of PbSe nanocrystals is imaged with atomic resolution. © 2009 WILEY-VCH Verlag GmbH and Co. KGaA.

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