Three-dimensional shapes and structures of lamellar-twinned fcc nanoparticles using ADF STEM. Gontard, L. b, Dunin-Borkowski, R. b, Gass, M., Bleloch, A., & Ozkaya, D. Journal of Electron Microscopy, 58(3):167-174, 2009. cited By 16
Paper doi abstract bibtex Small particles with face-centred cubic structures can have non-single-crystallographic shapes. Here, an approach based on annular dark-field scanning transmission electron microscopy (STEM) is used to obtain information about the crystal sub-units that make up supported and unsupported twinned Pt, Pt alloy and Au nanoparticles. The three-dimensional shapes of two types of lamellar-twinned particles (LTPs) of Pt are obtained using high-angle annular dark-field STEM. Possible growth mechanisms of the LTPs and origins for the contrast features in the recorded images are discussed.
@ARTICLE{Gontard2009167,
author={Gontard, L.C.a b and Dunin-Borkowski, R.E.a b and Gass, M.H.c and Bleloch, A.L.c and Ozkaya, D.d },
title={Three-dimensional shapes and structures of lamellar-twinned fcc nanoparticles using ADF STEM},
journal={Journal of Electron Microscopy},
year={2009},
volume={58},
number={3},
pages={167-174},
doi={10.1093/jmicro/dfp003},
note={cited By 16},
url={https://www.scopus.com/inward/record.url?eid=2-s2.0-68349103063&partnerID=40&md5=8d87f816782e46ea3e7975e3dd78d3fe},
affiliation={Center for Electron Nanoscopy, Technical University of Denmark, Lyngby, Denmark; Department of Materials Science and Metallurgy, University of Cambridge, Pembroke Street, Cambridge CB2 3QZ, United Kingdom; SuperSTEM Laboratory, Daresbury Laboratory, Daresbury WA4 4AD, United Kingdom; Johnson Matthey Technology Centre, Blount's Court, Sonning Common, Reading RG4 9NH, United Kingdom},
abstract={Small particles with face-centred cubic structures can have non-single-crystallographic shapes. Here, an approach based on annular dark-field scanning transmission electron microscopy (STEM) is used to obtain information about the crystal sub-units that make up supported and unsupported twinned Pt, Pt alloy and Au nanoparticles. The three-dimensional shapes of two types of lamellar-twinned particles (LTPs) of Pt are obtained using high-angle annular dark-field STEM. Possible growth mechanisms of the LTPs and origins for the contrast features in the recorded images are discussed.},
author_keywords={Electron tomography; Heterogeneous catalysis; Nanoparticle shapes; Nanoparticles; Platinum; Platinum alloys},
document_type={Article},
source={Scopus},
}
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