Publications
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WhatU+2019s the role of ligands in the synthesis of 2D materials? Ghent University
Chemistry and plasma physics challenges for 2D materials technology KU Leuven
Transition-metal dichalcogenides such as MoS2 or WS2 are semiconducting materials with a layered structure. One single layer consists of a plane of metal atoms terminated on the top and bottom by the chalcogen atoms sulfur, selenium, or tellurium. These layers show strong in-plane covalent bonding, whereas the Van-der-Waals bonds in between adjacent layers are weak. Those weak bonds allow the microcleavage and extraction of a monolayer. ...
Detecting Tool Keypoints with Synthetic Training Data Hasselt University
In this paper an end-to-end technique is presented to create a deep learning model to detect 2D keypoint locations from RGB images. This approach is specifically applied to tools, but can be used on other objects as well. First, 3D models of similar objects are sourced form the internet to avoid the need for exact textured models of the target objects. It is shown in this paper that these exact 3D models are not needed. To avoid the high cost of ...
Nucleation and Growth Mechanisms of 2D Semiconductor/high-k Dielectric Heterostacks KU Leuven
The extraordinary properties of the diverse two-dimensional (2D) materials are promising to improve existing technologies and create a wide range of new applications. 2D semiconductor/high-k dielectric heterostacks are of interest for applications in nanoelectronics and optoelectronics. Deposition of highly crystalline 2D semiconductors with monolayer thickness control on large-area substrates is essential to enable the applications. However, ...
Peculiar alignment and strain of 2D WSe2 grown by van der Waals epitaxy on reconstructed sapphire surfaces KU Leuven
The increasing scientific and industry interest in 2D MX2 materials within the field of nanotechnology has made the single crystalline integration of large area van der Waals (vdW) layers on commercial substrates an important topic. The c-plane oriented (3D crystal) sapphire surface is believed to be an interesting substrate candidate for this challenging 2D/3D integration. Despite the many attempts that have been made, the yet incomplete ...
2D Transition Metal Dichalcogenides for Beyond Silicon Logic Devices: Improving the Metal/MoS 2 Interface through Molecular Doping KU Leuven
2D materials have demonstrated enormous potential for a great number of applications such as sensors, spintronic, superconductors, and (photo)electronic devices. From these 2D materials, semiconducting transition metal dichalcogenides (MX2) are of special interest for electronic logic devices such as Field Effect Transistors (FETs), given their interesting properties such as ultra-thin bodies and high electronic band gap that could enable lower ...
Long-range orientation and atomic attachment of nanocrystals in 2D honeycomb superlattices University of Antwerp
Oriented attachment of synthetic semiconductor nanocrystals is emerging as a route for obtaining new semiconductors that can have Dirac-type electronic bands like graphene, but also strong spin-orbit coupling. The two-dimensional assembly geometry will require both atomic coherence and long-range periodicity of the superlattices. We show how the interfacial self-assembly and oriented attachment of nanocrystals results in two-dimensional (2D) ...
Rational Design and Functionalization of an Artificial Scaffold Protein for Synthetic Biochemistry KU Leuven
Despite remarkable advancements in computational techniques, designing a functional protein from scratch remains very challenging and led scientists to adopt a `bottom-up' approach. Here, existing proteins are used as building blocks for functionalization with active sites or binding motifs. Symmetric globular proteins stand out due to their inherent stability and compatibility with macromolecular assemblies. This thesis first describes two ...
Simulation of a next-generation phased array based Ultrasonic Polar Scan system for the characterisation of visco-elastic materials KU Leuven
Recently, there has been a strong drift towards the use of composite materials, such as the Carbon Fibre Reinforced Polymers (CFRP). Indeed, these mixtures of a lightweight polymer matrix and embedded carbon fibres lead to a high strength-to-weight ratio which is beneficial in applications where high performance is required. Evidently, in order to efficiently incorporate these composite materials in specific components, some key mechanical ...