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3-Dimensional Scanning of Entire Unit Cells in Single Nanoparticles.

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Title
3-Dimensional Scanning of Entire Unit Cells in Single Nanoparticles.
Author(s)
Junyoung Heo; Dohun Kang; Sungin Kim; Chun, Hoje; Han, Byungchan; Byung Hyo Kim; Jungwon Park
Publication Date
2022-05
Journal
ChemNanoMat, v.8, no.5
Publisher
John Wiley and Sons Inc
Abstract
Properties of nanomaterials such as optical, electrical, and chemical properties are strongly correlated with lattice symmetry, making characterization of lattice symmetry essential. We introduce a symmetry analysis method using 3D atomic coordinates obtained by Brownian one-particle 3D reconstruction. The method allows direct and quantitative analysis of symmetrical properties and delivers local structural characteristics of individual platinum (Pt) nanoparticles in unit-cell level. Local structural deformations of the Pt nanoparticles such as lattice distortion and internal symmetry breakage are demonstrated, revealing that the crystal structure of sub-3 nm Pt nanoparticles generally maintains FCC crystallinity and exhibits localized deviation from their bulk counterpart.
URI
https://pr.ibs.re.kr/handle/8788114/11954
DOI
10.1002/cnma.202200057
ISSN
2199-692X
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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