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@ARTICLE{Lapkin:644459,
author = {Lapkin, Dmitrii and Yan, Cong and Gürsoy, Emre and
Sternlicht, Hadas and Plunkett, Alexander and Bor, Büsra
and Kim, Young Yong and Assalauova, Dameli and Westermeier,
Fabian and Sprung, Michael and Krekeler, Tobias and Rout,
Surya S. and Ritter, Martin and Kulkarni, Satishkumar and
Keller, Thomas F. and Schneider, Gerold and
Vonbun-Feldbauer, Gregor B. and Meissner, Robert and
Stierle, Andreas and Vartanyants, Ivan A. and Giuntini,
Diletta},
title = {{D}efect {M}igration in {S}upercrystalline
{N}anocomposites},
journal = {ACS nano},
volume = {19},
number = {51},
issn = {1936-0851},
address = {Washington, DC},
publisher = {Soc.},
reportid = {PUBDB-2026-00336},
pages = {42881 - 42896},
year = {2025},
abstract = {Supercrystalline nanocomposites (SCNCs) are nanostructured
hybrid materials with a variety of unique functional
properties. Given their periodically arranged building
blocks, they also offer interesting parallels with
crystalline materials. They can be processed in multiple
forms and at different scales, and cross-linking their
organic ligands via heat treatment leads to a boost of their
mechanical properties. This study shows, via X-ray and in
situ scanning transmission electron microscopy (STEM)
analyses, how each of these processing steps plays a
distinct role in the generation, migration, interaction, and
healing of supercrystalline defects. Pressing of SCNCs into
bulk pellets leads to a distortion of the otherwise fcc
superlattice, while emulsion-templated self-assembly yields
supraparticles (SPs) with stacking faults and size-dependent
symmetries. Heat treatment at the same temperatures as those
applied for the organic cross-linking has significant
effects on planar defects. Stacking faults migrate and get
healed, as also confirmed via molecular dynamics
simulations, and intersupercrystalline “grain”
boundaries migrate via anisotropic motion of disconnections.
These rearrangements of defects at the supercrystalline
scale (tens of nanometers) in nanocomposites with high
mechanical properties (compressive strength of 100–500
MPa) provide insights into the formation and evolution of
ordered assemblies of functionalized nanoparticles.},
cin = {FS DOOR-User / FS-PETRA-S / FS-NL / FS-PS},
ddc = {540},
cid = {$I:(DE-H253)FS_DOOR-User-20241023$ /
I:(DE-H253)FS-PETRA-S-20210408 / I:(DE-H253)FS-NL-20120731 /
I:(DE-H253)FS-PS-20131107},
pnm = {632 - Materials – Quantum, Complex and Functional
Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
FS-Proposal: I-20190118 (I-20190118) / DFG project
G:(GEPRIS)192346071 - SFB 986: Maßgeschneiderte
Multiskalige Materialsysteme - M3 (192346071)},
pid = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
G:(DE-H253)I-20190118 / G:(GEPRIS)192346071},
experiment = {EXP:(DE-H253)P-P10-20150101 /
EXP:(DE-H253)Nanolab-04-20150101},
typ = {PUB:(DE-HGF)16},
doi = {10.1021/acsnano.5c16138},
url = {https://bib-pubdb1.desy.de/record/644459},
}