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Picometre-precision analysis of scanning transmission electron microscopy images of platinum nanocatalysts

Author

Listed:
  • Andrew B. Yankovich

    (University of Wisconsin—Madison)

  • Benjamin Berkels

    (Interdisciplinary Mathematics Institute, University of South Carolina
    Aachen Institute for Advanced Study in Computational Engineering Science (AICES), RWTH Aachen)

  • W. Dahmen

    (Interdisciplinary Mathematics Institute, University of South Carolina
    Institut für Geometrie und Praktische Mathematik, RWTH Aachen)

  • P. Binev

    (Interdisciplinary Mathematics Institute, University of South Carolina)

  • S. I. Sanchez

    (UOP LLC a Honeywell Company)

  • S. A. Bradley

    (UOP LLC a Honeywell Company)

  • Ao Li

    (University of Wisconsin—Madison)

  • Izabela Szlufarska

    (University of Wisconsin—Madison)

  • Paul M. Voyles

    (University of Wisconsin—Madison)

Abstract

Measuring picometre-scale shifts in the positions of individual atoms in materials provides new insight into the structure of surfaces, defects and interfaces that influence a broad variety of materials’ behaviour. Here we demonstrate sub-picometre precision measurements of atom positions in aberration-corrected Z-contrast scanning transmission electron microscopy images based on the non-rigid registration and averaging of an image series. Non-rigid registration achieves five to seven times better precision than previous methods. Non-rigidly registered images of a silica-supported platinum nanocatalyst show pm-scale contraction of atoms at a ( )/( ) corner towards the particle centre and expansion of a flat ( ) facet. Sub-picometre precision and standardless atom counting with

Suggested Citation

  • Andrew B. Yankovich & Benjamin Berkels & W. Dahmen & P. Binev & S. I. Sanchez & S. A. Bradley & Ao Li & Izabela Szlufarska & Paul M. Voyles, 2014. "Picometre-precision analysis of scanning transmission electron microscopy images of platinum nanocatalysts," Nature Communications, Nature, vol. 5(1), pages 1-7, September.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms5155
    DOI: 10.1038/ncomms5155
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    Cited by:

    1. Ji Soo Lim & Ho-Hyun Nahm & Marco Campanini & Jounghee Lee & Yong-Jin Kim & Heung-Sik Park & Jeonghun Suh & Jun Jung & Yongsoo Yang & Tae Yeong Koo & Marta D. Rossell & Yong-Hyun Kim & Chan-Ho Yang, 2022. "Critical ionic transport across an oxygen-vacancy ordering transition," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Martin F. Sarott & Marta D. Rossell & Manfred Fiebig & Morgan Trassin, 2022. "Multilevel polarization switching in ferroelectric thin films," Nature Communications, Nature, vol. 13(1), pages 1-7, December.

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