Expansion of interatomic distances in pl
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K. Du; F. Ernst; M.C. Pelsozy; J. Barthel; K. Tillmann
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Article
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2010
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Elsevier Science
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English
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We study the atomistic structure of Pt catalyst nanoparticles using HRTEM (high-resolution transmission electron microscopy). The particles exhibit a faceted, cubo-octahedral shape, extended planar defects, and mono-atomic surface steps. HRTEM imaging with negative spherical aberration yielded atomi