Christophe Detavernier
YOU?
Author Swipe
View article: All-polarization beamsplitters for interferometer applications
All-polarization beamsplitters for interferometer applications Open
Optical beamsplitters with similar properties for orthogonal, linear polarization modes are required for realizing polarization-based speed meter schemes to reduce backaction noise in gravitational-wave interferometers. In this paper, we i…
View article: Study of the temperature dependent trap-dominated conduction in GeSe and GeSe2 Ovonic threshold switching selectors
Study of the temperature dependent trap-dominated conduction in GeSe and GeSe2 Ovonic threshold switching selectors Open
The highly non-linear current–voltage characteristics of Ovonic threshold switching selectors make them a key component in novel 3D crossbar memory architectures. The sub-threshold conduction and switching mechanism have long been a point …
View article: Ultra-Low Loss and Large Bandwidth Fiber-to-Chip Edge Coupler for Aluminum Oxide Photonic Platform at UV-Visible Wavelengths
Ultra-Low Loss and Large Bandwidth Fiber-to-Chip Edge Coupler for Aluminum Oxide Photonic Platform at UV-Visible Wavelengths Open
Achieving low-loss coupling between single-mode fibers and photonic integrated circuits plays a crucial role in emerging enabling technologies including quantum information, advanced imaging, and precision metrology. High coupling efficien…
View article: Impact of surface treatments on the photocatalytic performance of anodic aluminum oxide templates
Impact of surface treatments on the photocatalytic performance of anodic aluminum oxide templates Open
Nanostructured materials receive great interest nowadays due to their unique properties, increased surface areas, and superior performances with associated reduced material usage. However, directly nanostructuring functional materials them…
View article: New dithiooxamide derivatives as promising precursors for ALD/MLD applications
New dithiooxamide derivatives as promising precursors for ALD/MLD applications Open
Tuning volatility, reactivity, and thermal stability of organic precursors through systematic side-chain variation enables the design of optimized MLD precursors.
View article: Emergent multiferroicity in two-dimensional electron gas of complex oxides for FET-based artificial synaptic junctions
Emergent multiferroicity in two-dimensional electron gas of complex oxides for FET-based artificial synaptic junctions Open
Multifunctional nanoarchitecture: integrating a 2D electron gas with robust multiferroicity enables high-mobility quantum transport and tunable ferroelectric polarization. Paves the way for advanced spintronics and energy-efficient neuromo…
View article: Comparative Analysis of Structural, Physicochemical and Electrochemical Properties of Graphene Oxide Synthesized from Commercial Graphite and Biomass
Comparative Analysis of Structural, Physicochemical and Electrochemical Properties of Graphene Oxide Synthesized from Commercial Graphite and Biomass Open
View article: Tuning the crystallization temperature of titanium dioxide thin films by incorporating silicon dioxide via supercycle atomic layer deposition
Tuning the crystallization temperature of titanium dioxide thin films by incorporating silicon dioxide via supercycle atomic layer deposition Open
Titanium oxide-based nanomaterials are nowadays of great interest in various application fields such as optics, sensing, photocatalysis, and solar cells. Tuning their physical properties by tailoring the geometry or combining them with dif…
View article: Optimization of Non-Alloyed Backside Ohmic Contacts to N-Face GaN for Fully Vertical GaN-on-Silicon-Based Power Devices
Optimization of Non-Alloyed Backside Ohmic Contacts to N-Face GaN for Fully Vertical GaN-on-Silicon-Based Power Devices Open
In the framework of fully vertical GaN-on-Silicon device technology development, we report on the optimization of non-alloyed ohmic contacts on the N-polar n+-doped GaN face backside layer. This evaluation is made possible by using pattern…
View article: Impact of reduction degree on stability of Fe2O3-MgAl2O4 oxygen storage materials during chemical looping reverse water-gas shift reaction
Impact of reduction degree on stability of Fe2O3-MgAl2O4 oxygen storage materials during chemical looping reverse water-gas shift reaction Open
This study investigates the long-term stability and performance in chemical looping reverse water-gas shift reaction (rWGS) of a 50 wt% Fe2O3-MgAl2O4 material produced using an industrial method. While prior research predominantly focuses …
View article: Study of SiGeAsTe and SiGeAsSe chalcogenide thin films by Raman spectroscopy and understanding of their OTS properties
Study of SiGeAsTe and SiGeAsSe chalcogenide thin films by Raman spectroscopy and understanding of their OTS properties Open
View article: Optimization of Non-alloyed Backside Ohmic Contacts to N-face GaN for Fully Vertical GaN-on-Silicon Based Power Devices
Optimization of Non-alloyed Backside Ohmic Contacts to N-face GaN for Fully Vertical GaN-on-Silicon Based Power Devices Open
In the framework of fully vertical GaN-on-Silicon device technology development, we report on the optimization of non-alloyed ohmic contacts on the N-polar n+ doped GaN face backside layer. This evaluation is made possible by using pattern…
View article: Short‐Wave Infrared Colloidal QD Photodetector with Nanosecond Response Times Enabled by Ultrathin Absorber Layers
Short‐Wave Infrared Colloidal QD Photodetector with Nanosecond Response Times Enabled by Ultrathin Absorber Layers Open
Ultrafast short‐wavelength infrared (SWIR) photodetection is of great interest for emerging automated vision and spatial mapping technologies. Colloidal quantum dots (QDs) stand out for SWIR photodetection compared to epitaxial (In,Ga)As o…
View article: Elucidating the Non-Covalent Interactions that Trigger Interdigitation in Lead-Halide Layered Hybrid Perovskites
Elucidating the Non-Covalent Interactions that Trigger Interdigitation in Lead-Halide Layered Hybrid Perovskites Open
Two-dimensional (2D) hybrid organic-inorganic perovskites constitute a versatile class of materials applied to a variety of optoelectronic devices. These materials are composed of alternating layers of inorganic lead halide octahedra and o…
View article: Investigation of atomic layer deposition methods of Al2O3 on <i>n</i>-GaN
Investigation of atomic layer deposition methods of Al2O3 on <i>n</i>-GaN Open
In this work, three atomic layer deposition (ALD) approaches are used to deposit an Al2O3 gate insulator on n-GaN for application in vertical GaN power switches: thermal ALD (ThALD), plasma-enhanced ALD (PEALD), and their stacked combinati…
View article: Al3Sc thin films for advanced interconnect applications
Al3Sc thin films for advanced interconnect applications Open
View article: Controlling Pt nanoparticle sintering by sub-monolayer MgO ALD thin films
Controlling Pt nanoparticle sintering by sub-monolayer MgO ALD thin films Open
Metal nanoparticle (NP) sintering is a major cause of catalyst deactivation, as NP growth reduces the surface area available for reaction.
View article: Engineering the Interfaces in Mgo-Modified Ni/Al2o3 for Co2 Methanation
Engineering the Interfaces in Mgo-Modified Ni/Al2o3 for Co2 Methanation Open
View article: Crystalline Tin Disulfide by Low-Temperature Plasma-Enhanced Atomic Layer Deposition as an Electrode Material for Li-Ion Batteries and CO<sub>2</sub> Electroreduction
Crystalline Tin Disulfide by Low-Temperature Plasma-Enhanced Atomic Layer Deposition as an Electrode Material for Li-Ion Batteries and CO<sub>2</sub> Electroreduction Open
Tin disulfide (SnS2) is a promising candidate for electrochemical applications, showcasing improved performance via tailored structure and morphology. This study discusses a plasma-enhanced atomic layer deposition (PE-ALD) method for depos…
View article: Integrated PbS Colloidal Quantum Dot Photodiodes on Silicon Nitride Waveguides
Integrated PbS Colloidal Quantum Dot Photodiodes on Silicon Nitride Waveguides Open
Colloidal quantum dots (QDs) have become a versatile optoelectronic material for emitting and detecting light that can overcome the limitations of a range of electronic and photonic technology platforms. Photonic integrated circuits (PICs)…
View article: Al$_3$Sc thin films for advanced interconnect applications
Al$_3$Sc thin films for advanced interconnect applications Open
Al$_x$Sc$_{1-x}$ thin films have been studied with compositions around Al$_3$Sc ($x$ = 0.75) for potential interconnect metallization applications. As-deposited 25 nm thick films were x-ray amorphous but crystallized at 190°C, followed by …
View article: Plasma-enhanced atomic layer deposition of crystalline Ga2S3 thin films
Plasma-enhanced atomic layer deposition of crystalline Ga2S3 thin films Open
Gallium (III) sulfide is a frontrunner for many energy storage and optoelectronic applications, which demand a deposition technique that offers a high level of control over thickness, composition, and conformality. Atomic layer deposition …
View article: Tuning CO2 methanation selectivity via MgO/Ni interfacial sites
Tuning CO2 methanation selectivity via MgO/Ni interfacial sites Open
View article: A step toward correct interpretation of XPS results in metal oxides: A case study aided by first-principles method in ZnO
A step toward correct interpretation of XPS results in metal oxides: A case study aided by first-principles method in ZnO Open
Metal oxide semiconductors constitute a vast group of materials whose physical properties are greatly affected by native defects. For decades, x-ray photoelectron spectroscopy (XPS) has been widely used in defect analysis. However, correct…
View article: A step towards correct interpretation of XPS results in metal oxides: a case study aided by first-principles method in ZnO
A step towards correct interpretation of XPS results in metal oxides: a case study aided by first-principles method in ZnO Open
Metal oxide semiconductors constitute a vast group of materials whose physical properties are greatly affected by native defects. For decades, X-ray photoelectron spectroscopy (XPS) has been widely used in defect analysis. However, correct…
View article: High temperature H2S removal via CO2-assisted chemical looping over ZrO2-modified Fe2O3
High temperature H2S removal via CO2-assisted chemical looping over ZrO2-modified Fe2O3 Open
View article: Low Temperature Area Selective Atomic Layer Deposition of Ruthenium Dioxide Thin Films Using Polymers as Inhibition Layers
Low Temperature Area Selective Atomic Layer Deposition of Ruthenium Dioxide Thin Films Using Polymers as Inhibition Layers Open
Area selective atomic layer deposition (AS‐ALD) is an interesting bottom‐up approach due to its self‐aligned fabrication potential. Ruthenium dioxide (RuO 2 ) is an important material for several applications, including microelectronics, d…
View article: Metal Nanocatalyst Sintering Interrogated at Complementary Length Scales (Small 5/2023)
Metal Nanocatalyst Sintering Interrogated at Complementary Length Scales (Small 5/2023) Open
Nanocatalysts are monitored by an innovative characterization toolkit at nano-, meso- and bulk-scales to decode nanoparticle sintering. The lifetime of a nanoparticle heavily depends on its crystal orientation on the support and its mesosc…
View article: Surface Chemistry of InP Quantum Dots, Amine–Halide Co-Passivation, and Binding of Z-Type Ligands
Surface Chemistry of InP Quantum Dots, Amine–Halide Co-Passivation, and Binding of Z-Type Ligands Open
Understanding and controlling the surface chemistry of colloidal quantum dots (QDs) are essential steps toward improving their opto-electronic properties and tailoring the material for specific applications. For oleylamine–chloride co-pass…
View article: Atomic layer deposition of yttrium oxide as a protective coating for lithium metal anodes
Atomic layer deposition of yttrium oxide as a protective coating for lithium metal anodes Open
ALD of a Y 2 O 3 coating layer on Li metal anodes can effectively suppress Li dendrite growth, leading to a uniform plating–stripping process in Li metal batteries with more stable performance and prolonged lifespan.