Research output: Contribution to journal › Article › peer-review
Exploring the 3D structure and defects of a self-assembled gold mesocrystal by coherent X-ray diffraction imaging. / Carnis, Jerome; Kirner, Felizitas; Lapkin, Dmitry; Sturm, Sebastian; Kim, Young Yong; Baburin, Igor A.; Khubbutdinov, Ruslan; Ignatenko, Alexandr; Iashina, Ekaterina; Mistonov, Alexander; Steegemans, Tristan; Wieck, Thomas; Gemming, Thomas; Lubk, Axel; Lazarev, Sergey; Sprung, Michael; Vartanyants, Ivan A.; Sturm, Elena V.
In: Nanoscale, Vol. 13, No. 23, 21.06.2021, p. 10425-10435.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Exploring the 3D structure and defects of a self-assembled gold mesocrystal by coherent X-ray diffraction imaging
AU - Carnis, Jerome
AU - Kirner, Felizitas
AU - Lapkin, Dmitry
AU - Sturm, Sebastian
AU - Kim, Young Yong
AU - Baburin, Igor A.
AU - Khubbutdinov, Ruslan
AU - Ignatenko, Alexandr
AU - Iashina, Ekaterina
AU - Mistonov, Alexander
AU - Steegemans, Tristan
AU - Wieck, Thomas
AU - Gemming, Thomas
AU - Lubk, Axel
AU - Lazarev, Sergey
AU - Sprung, Michael
AU - Vartanyants, Ivan A.
AU - Sturm, Elena V.
N1 - Publisher Copyright: © The Royal Society of Chemistry.
PY - 2021/6/21
Y1 - 2021/6/21
N2 - Mesocrystals are nanostructured materials consisting of individual nanocrystals having a preferred crystallographic orientation. On mesoscopic length scales, the properties of mesocrystals are strongly affected by structural heterogeneity. Here, we report the detailed structural characterization of a faceted mesocrystal grain self-assembled from 60 nm sized gold nanocubes. Using coherent X-ray diffraction imaging, we determined the structure of the mesocrystal with the resolution sufficient to resolve each gold nanoparticle. The reconstructed electron density of the gold mesocrystal reveals its intrinsic structural heterogeneity, including local deviations of lattice parameters, and the presence of internal defects. The strain distribution shows that the average superlattice obtained by angular X-ray cross-correlation analysis and the real, "multidomain"structure of a mesocrystal are very close to each other, with a deviation less than 10%. These results will provide an important impact to understanding the fundamental principles of structuring and self-assembly including ensuing properties of mesocrystals.
AB - Mesocrystals are nanostructured materials consisting of individual nanocrystals having a preferred crystallographic orientation. On mesoscopic length scales, the properties of mesocrystals are strongly affected by structural heterogeneity. Here, we report the detailed structural characterization of a faceted mesocrystal grain self-assembled from 60 nm sized gold nanocubes. Using coherent X-ray diffraction imaging, we determined the structure of the mesocrystal with the resolution sufficient to resolve each gold nanoparticle. The reconstructed electron density of the gold mesocrystal reveals its intrinsic structural heterogeneity, including local deviations of lattice parameters, and the presence of internal defects. The strain distribution shows that the average superlattice obtained by angular X-ray cross-correlation analysis and the real, "multidomain"structure of a mesocrystal are very close to each other, with a deviation less than 10%. These results will provide an important impact to understanding the fundamental principles of structuring and self-assembly including ensuing properties of mesocrystals.
UR - http://www.scopus.com/inward/record.url?scp=85108572538&partnerID=8YFLogxK
U2 - 10.1039/d1nr01806j
DO - 10.1039/d1nr01806j
M3 - Article
C2 - 34028473
AN - SCOPUS:85108572538
VL - 13
SP - 10425
EP - 10435
JO - Nanoscale
JF - Nanoscale
SN - 2040-3364
IS - 23
ER -
ID: 85654095