Liquid-state dewetting of pulsed-laser-heated nanoscale metal films and other geometries

L Kondic, AG González, JA Diez… - Annual Review of …, 2020 - annualreviews.org
Metal films of nanoscale thickness, deposited on substrates and exposed to laser heating,
provide systems that involve several interesting multiphysics effects. In addition to fluid …

Optical and magnetic properties of Ag–Ni bimetallic nanoparticles assembled via pulsed laser-induced dewetting

DA Garfinkel, G Pakeltis, N Tang, IN Ivanov… - ACS …, 2020 - ACS Publications
Pulsed laser-induced dewetting (PLiD) of Ag0. 5Ni0. 5 thin films results in phase-separated
bimetallic nanoparticles with size distributions that depend on the initial thin film thickness …

Dynamic templating: a large area processing route for the assembly of periodic arrays of sub-micrometer and nanoscale structures

P Farzinpour, A Sundar, KD Gilroy, ZE Eskin… - Nanoscale, 2013 - pubs.rsc.org
A substrate-based templated assembly route has been devised which offers large-area, high-
throughput capabilities for the fabrication of periodic arrays of sub-micrometer and …

Dewetted nanostructures of gold, silver, copper, and palladium with enhanced faceting

AS Preston, RA Hughes, TB Demille, VMR Davila… - Acta Materialia, 2019 - Elsevier
At the foundation of nanoscience and nanotechnology is the ability to shape-engineer
nanometric objects so as to exert control over their physical and chemical properties …

Hierarchical nanoparticle ensembles synthesized by liquid phase directed self-assembly

JD Fowlkes, NA Roberts, Y Wu, JA Diez… - Nano …, 2014 - ACS Publications
A liquid metal filament supported on a dielectric substrate was directed to fragment into an
ordered, mesoscale particle ensemble. Imposing an undulated surface perturbation on the …

Directed assembly of one-and two-dimensional nanoparticle arrays from pulsed laser induced dewetting of square waveforms

NA Roberts, JD Fowlkes, K Mahady… - … applied materials & …, 2013 - ACS Publications
The directed assembly of arrayed nanoparticles is demonstrated by dictating the flow of a
liquid phase filament on the nanosecond time scale. Results for the assembly of Ni …

Substrate melting during laser heating of nanoscale metal films

F Font, S Afkhami, L Kondic - International Journal of Heat and Mass …, 2017 - Elsevier
We investigate heat transfer mechanisms relevant to metal films of nanoscale thickness
deposited on a silicon (Si) substrate coated by a silicon oxide (SiO 2) layer and exposed to …

Liquid metal folding patterns induced by electric capillary force

L Wang, J Liu - Applied Physics Letters, 2016 - pubs.aip.org
A fundamental phenomenon regarding spontaneous formation of symmetrical folding
patterns induced on liquid metal free surface with circular shape features was disclosed. The …

Exploiting the Marangoni effect to initiate instabilities and direct the assembly of liquid metal filaments

CA Hartnett, I Seric, K Mahady, L Kondic, S Afkhami… - Langmuir, 2017 - ACS Publications
Utilization of the Marangoni effect in a liquid metal is investigated, focusing on initiating
instabilities to direct material assembly via the Rayleigh–Plateau instability. Thin (2 nm) …

Wetting and dewetting processes in the axial retraction of liquid filaments

PD Ravazzoli, I Cuellar, AG González, JA Diez - Physical Review E, 2017 - APS
We study the hydrodynamic mechanisms involved in the motion of the contact line formed at
the end region of a liquid filament laying on a planar and horizontal substrate. Since the flow …