Attosecond chronoscopy of electron scattering in dielectric nanoparticles

L Seiffert, Q Liu, S Zherebtsov, A Trabattoni, P Rupp… - Nature physics, 2017 - nature.com
The scattering of electrons in dielectric materials is central to laser nanomachining, light-
driven electronics and radiation damage,,. Here, we demonstrate real-time access to …

Crystal-momentum-resolved contributions to high-order harmonic generation in solids

F Navarrete, MF Ciappina, U Thumm - Physical Review A, 2019 - APS
We analytically and numerically investigate the emission of high-order harmonic radiation
from model solids by intense few-cycle midinfrared laser pulses. In single-active-electron …

Shape-dependent catalytic activity of gold and bimetallic nanoparticles in the reduction of methylene blue by sodium borohydride

HLKS Stolle, JJ Kluitmann, A Csáki, JM Köhler… - Catalysts, 2021 - mdpi.com
In this study the catalytic activity of different gold and bimetallic nanoparticle solutions
towards the reduction of methylene blue by sodium borohydride as a model reaction is …

Strong-field ionization of plasmonic nanoparticles

E Saydanzad, J Li, U Thumm - Physical Review A, 2022 - APS
We modeled strong-field ionization of metal nanoparticles by intense infrared laser pulses,
accounting for and distinguishing in photoelectron (PE) momentum distributions the effects …

Imaging plasmonic fields with atomic spatiotemporal resolution

J Li, E Saydanzad, U Thumm - Physical Review Letters, 2018 - APS
We propose a scheme for the reconstruction of plasmonic near fields at isolated
nanoparticles from infrared-streaked extreme-ultraviolet photoemission spectra. Based on …

Strong-field control of plasmonic properties in core–shell nanoparticles

JA Powell, J Li, A Summers, SJ Robatjazi… - ACS …, 2022 - ACS Publications
Utilization of the plasmonic response in nanosystems is a key component of nanophotonics
that is typically altered by varying the incident optical frequency or the material configuration …

Attosecond time-resolved streaked photoelectron spectroscopy of transition-metal nanospheres

J Li, E Saydanzad, U Thumm - Physical Review A, 2017 - APS
Streaked photoemission from nanostructured surfaces and nanoparticles by attosecond
extreme ultraviolet pulses into an infrared (IR) or visible streaking pulse allows for sub-fs …

Attosecond streaking metrology with isolated nanotargets

Q Liu, L Seiffert, A Trabattoni, MC Castrovilli… - Journal of …, 2018 - iopscience.iop.org
The development of attosecond metrology has enabled time-resolved studies on atoms,
molecules, and (nanostructured) solids. Despite a wealth of theoretical work, attosecond …

Design of a scalable AuNP catalyst system for plasmon-driven photocatalysis

HLKS Stolle, F Garwe, R Müller, T Krech, B Oberleiter… - RSC …, 2018 - pubs.rsc.org
In this work we present a simple, fast and cost-efficient synthesis of a metal nanoparticle
catalyst on a glass support for plasmon driven heterogeneous photocatalysis. It is based on …

Characterization of induced nanoplasmonic fields in time-resolved photoemission: A classical trajectory approach applied to gold nanospheres

E Saydanzad, J Li, U Thumm - Physical Review A, 2017 - APS
Attosecond time-resolved spectroscopy has been shown to be a powerful method for
examining the electronic dynamics in atoms, and this technique is now being transferred to …