85 citations · 260 across the 8 of their papers we have counts for
9 papers
Sol-gel Barium Titanate Nanohole Array as a Nonlinear Metasurface and a Photonic Crystal
Ülle-Linda Talts, Helena C. Weigand, Grégoire Saerens +6
The quest of a nonlinear optical material that can be easily nanostructured over a large surface area is still ongoing. Here, we demonstrate a nanoimprinted nonlinear barium titana…
Phonon-Mediated Attractive Interactions between Excitons in Lead-Halide-Perovskites
Nuri Yazdani, Maryna I. Bodnarchuk, Federica Bertolotti +20
Understanding the origin of electron-phonon coupling in lead-halide perovskites (LHP) is key to interpreting and leveraging their optical and electronic properties. Here we perform…
Dynamic lattice distortions driven by surface trapping in semiconductor nanocrystals
Burak Guzelturk, Benjamin L. Cotts, Dipti Jasrasaria +26
Nonradiative processes limit optoelectronic functionality of nanocrystals and curb their device performance. Nevertheless, the dynamic structural origins of nonradiative relaxation…
Phase Transitions in Germanium Telluride Nanoparticle Phase-Change Materials Studied by Time-Resolved X-Ray Diffraction
Ann-Katrin U. Michel, Felix Donat, Aurelia Siegfried +6
Germanium telluride (GeTe), a phase-change material, is known to exhibit four different structural phases: three at room temperature (one amorphous and two crystalline, and …
Spectrally-resolved dielectric function of amorphous and crystalline GeTe nanoparticle thin films
Ann-Katrin U. Michel, Marilyne Sousa, Maksym Yarema +5
Phase-change materials (PCMs), which are well-established in optical and random-access memories, are increasingly studied for emerging topics such as brain-inspired computing and a…
Charge Transport in Semiconductors Assembled from Nanocrystals
Nuri Yazdani, Samuel Andermatt, Maksym Yarema +7
The potential of semiconductors assembled from nanocrystals (NC semiconductors) has been demonstrated for a broad array of electronic and optoelectronic devices, including transist…
Topological and Network Analysis of Lithium Ion Battery Components: The Importance of Pore Space Connectivity for Cell Operation
Marie Francine Lagadec, Raphael Zahn, Simon Müller +1
The structure of lithium ion battery components, such as electrodes and separators, are commonly characterised in terms of their porosity and tortuosity. The ratio of these values…
Influence of the Surface of a Nanocrystal on its Electronic and Phononic Properties
Nuri Yazdani, Deniz Bozyigit, Kantawong Vuttivorakulchai +2
Over the past thirty years, it has been consistently observed that surface engineering of colloidal nanocrystals (NC) is key to their performance parameters. In the case of lead ch…
Non-Resonant Thermal Admittance Spectroscopy
Deniz Bozyigit, Vanessa Wood
Thermal Admittance Spectroscopy (TAS) as become a popular technique to determine trap state density and energetic position in semiconductors. In the limit of a large number of trap…