Building up strain in colloidal metal nanoparticle catalysts

BT Sneed, AP Young, CK Tsung - Nanoscale, 2015 - pubs.rsc.org
The focus on surface lattice strain in nanostructures as a fundamental research topic has
gained momentum in recent years as scientists investigated its significant impact on the …

Implementing structural disorder as a promising direction for improving the stability of PtNi/C nanoparticles

L Dubau, J Nelayah, T Asset, R Chattot… - ACS Catalysis, 2017 - ACS Publications
Because of their enhanced oxygen reduction reaction (ORR) kinetics (9 and 6-fold)
enhancement of specific activity and mass activity for the ORR relative to those of a …

[PDF][PDF] Critical conditions of dislocation generation in core-shell nanowires: a review

AM Smirnov, SA Krasnitckii, SS Rochas… - Rev. Adv. Mater …, 2020 - scholar.archive.org
Dislocation-free core-shell nanowires are a promising material for quantum communication
devices. The synthesis of such nanowires is associated with many expensive experiments …

Generation of misfit dislocations in a core-shell nanowire near the edge of prismatic core

AM Smirnov, SA Krasnitckii, MY Gutkin - Acta Materialia, 2020 - Elsevier
The misfit strain relaxation via generation of partial and perfect misfit dislocations and their
dipoles at the interface in core-shell nanowires with faceted cores is considered. The core …

Periodic array of misfit dislocation loops and stress relaxation in core-shell nanowires

AP Chernakov, AL Kolesnikova, MY Gutkin… - International Journal of …, 2020 - Elsevier
In this paper, we consider the mechanism of misfit stress relaxation in lattice-mismatched
core-shell nanowires (NWs) through the formation of a periodic array of misfit prismatic …

Initial stages of misfit stress relaxation in composite nanostructures through generation of rectangular prismatic dislocation loops

MY Gutkin, AM Smirnov - Acta Materialia, 2015 - Elsevier
Critical (necessary) conditions of misfit stress relaxation in bulk and hollow core–shell
nanoparticles, bulk and hollow core–shell nanowires, and flat bi-and tri-nanolayers …

[HTML][HTML] Elastic fields of straight wedge disclinations axially piercing bodies with spherical free surfaces

AL Kolesnikova, MY Gutkin, AV Proskura… - International journal of …, 2016 - Elsevier
Linear elasticity problem for a straight wedge disclination, which axially pierces a hollow
sphere (a spherical layer), is solved analytically. The disclination displacements, stresses …

Circular loops of misfit dislocations in decahedral core-shell nanoparticles

MY Krauchanka, SA Krasnitckii, MY Gutkin… - Scripta Materialia, 2019 - Elsevier
A theoretical model is proposed for stress relaxation in decahedral core-shell nanoparticles
through formation of circular prismatic misfit dislocation loops at the core-shell interface. The …

Misfit strain induced out-of-interface prismatic dislocation loops in axially inhomogeneous hybrid nanowires

AL Kolesnikova, AP Chernakov, MY Gutkin… - Extreme Mechanics …, 2022 - Elsevier
The possibility of forming the misfit-strain-induced out-of-interface prismatic dislocation loops
(PDLs) in axially inhomogeneous hybrid two-phase nanowires with a transverse interface is …

Initial stages of misfit stress relaxation through the formation of prismatic dislocation loops in GaN–Ga2O3 composite nanostructures

MY Gutkin, AM Smirnov - Physics of the Solid State, 2016 - Springer
The initial stages of misfit stress relaxation through the formation of rectangular prismatic
dislocation loops in model composite nanostructures have been considered. The …