Volker Hoffmann
YOU?
Author Swipe
View article: VN Thin Films via MOCVD Using a New Vanadium Precursor: Linking Growth Chemistry to Functional Surface Properties
VN Thin Films via MOCVD Using a New Vanadium Precursor: Linking Growth Chemistry to Functional Surface Properties Open
Vanadium nitride (VN) is a promising material for many applications, including the electrochemical nitrogen reduction reaction (eNRR). Catalyst nanoengineering enables experimental validation of its predicted eNRR activity, but most VN cat…
View article: Rare Mononuclear Lithium–Carbene Complex for Atomic Layer Deposition of Lithium Containing Thin Films
Rare Mononuclear Lithium–Carbene Complex for Atomic Layer Deposition of Lithium Containing Thin Films Open
Lithium is the core material of modern battery technologies and fabricating the lithium‐containing materials with atomic layer deposition (ALD) confers significant benefits in control of film composition and thickness. In this work, a new …
View article: High Quality Crystalline VN Thin Films via MOCVD from a New Vanadium Precursor: Linking Growth Chemistry to Functional Catalytic Surfaces
High Quality Crystalline VN Thin Films via MOCVD from a New Vanadium Precursor: Linking Growth Chemistry to Functional Catalytic Surfaces Open
Vanadium nitride (VN) has been identified as a promising material for numerous applications including electrochemical nitrogen reduction reaction (eNRR). For such applications, catalyst nanoengineering will help to experimentally test its …
View article: Landmark Publications in Analytical Atomic Spectrometry: Fundamentals and Instrumentation Development
Landmark Publications in Analytical Atomic Spectrometry: Fundamentals and Instrumentation Development Open
The almost-two-centuries history of spectrochemical analysis has generated a body of literature so vast that it has become nearly intractable for experts, much less for those wishing to enter the field. Authoritative, focused reviews help …
View article: How the multi-phase microstructure of a novel tool steel determines its corrosion behaviour in sulphuric acids
How the multi-phase microstructure of a novel tool steel determines its corrosion behaviour in sulphuric acids Open
The corrosion behaviour of a Fe81Cr15V3C1 steel was analysed compared to commercial X90CrMoV18 (1.4112) in 0.01-1 mol/L H2SO4 solutions. The rapidly cooled steel comprises martensite dendrites, carbide networks (M7C3, MC) and austenite int…
View article: Production of upgraded metallurgical-grade silicon for a low-cost, high-efficiency, and reliable PV technology
Production of upgraded metallurgical-grade silicon for a low-cost, high-efficiency, and reliable PV technology Open
Upgraded metallurgical-grade silicon (UMG-Si) has the potential to reduce the cost of photovoltaic (PV) technology and improve its environmental profile. In this contribution, we summarize the extensive work made in the research and develo…
View article: Inherent Antibacterial Properties of Biodegradable FeMnC(Cu) Alloys for Implant Application
Inherent Antibacterial Properties of Biodegradable FeMnC(Cu) Alloys for Implant Application Open
[Image: see text] Implant-related infections or inflammation are one of the main reasons for implant failure. Therefore, different concepts for prevention are needed, which strongly promote the development and validation of improved materi…
View article: Corrosion behavior of an oxide nanotube-coated β-type Ti-45Nb implant alloy in a simulated inflammatory solution
Corrosion behavior of an oxide nanotube-coated β-type Ti-45Nb implant alloy in a simulated inflammatory solution Open
Oxide nanotube (ONT) layers were anodically grown on β-type Ti-45Nb and crystallized at 450°C to anatase (Ti,Nb)O2. A corrosion analysis in normal and inflammatory phosphate buffered saline (PBS) comprised electrochemical polarization stud…
View article: One and two-step electrodeposition of composite films of calcium-deficient hydroxyapatite matrix with nanoscale Ag- and Zn-based particles
One and two-step electrodeposition of composite films of calcium-deficient hydroxyapatite matrix with nanoscale Ag- and Zn-based particles Open
Altres ajuts: acords transformatius de la UAB
View article: Designing Gallium-Containing Hydroxyapatite Coatings on Low Modulus Beta Ti-45Nb Alloy
Designing Gallium-Containing Hydroxyapatite Coatings on Low Modulus Beta Ti-45Nb Alloy Open
Low-modulus β-type Ti-45Nb alloy is a promising implant material due to its good mechanical biocompatibility, non-toxicity, and outstanding corrosion resistance. Its excellent chemical stability brings new challenges to chemical surface mo…
View article: Fine-tuning effect of Direct Laser Interference Patterning on the surface states and the corrosion behavior of a biomedical additively manufactured beta Ti alloy
Fine-tuning effect of Direct Laser Interference Patterning on the surface states and the corrosion behavior of a biomedical additively manufactured beta Ti alloy Open
Direct laser interference patterning (DLIP) is applied on additively manufactured near-beta Ti-13Nb-13Zr using nanosecond (ns) and picosecond (ps) pulses to tune its surface properties. Multiscale surface chemical and microstructural analy…
View article: Investigation of matrix independent calibration of oxygen in glow discharge optical emission spectrometry
Investigation of matrix independent calibration of oxygen in glow discharge optical emission spectrometry Open
Emission intensity of oxygen at 777 nm in Cu-, Al-, Mg- and Fe-matrices.
View article: Electrodeposition of Sr-substituted hydroxyapatite on low modulus beta-type Ti-45Nb and effect on in vitro Sr release and cell response
Electrodeposition of Sr-substituted hydroxyapatite on low modulus beta-type Ti-45Nb and effect on in vitro Sr release and cell response Open
Beta-type Ti-based alloys are promising new materials for bone implants owing to their excellent mechanical biofunctionality and biocompatibility. For treatment of fractures in case of systemic diseases like osteoporosis the generation of …
View article: Electroless-Deposited Platinum Antennas for Wireless Surface Acoustic Wave Sensors
Electroless-Deposited Platinum Antennas for Wireless Surface Acoustic Wave Sensors Open
In an effort to develop a cost-efficient technology for wireless high-temperature surface acoustic wave sensors, this study presents an evaluation of a combined method that integrates physical vapor deposition with electroless deposition f…
View article: Glow discharge optical emission spectrometry for quantitative depth profiling of CIGS thin-films
Glow discharge optical emission spectrometry for quantitative depth profiling of CIGS thin-films Open
The article demonstrates how quantitative compositional depth profiles of Cu(In,Ga)(S,Se)2layers can be utilized to determine their energy bandgap distribution.
View article: Investigations of matrix independent calibration approaches in fast flow glow discharge mass spectrometry
Investigations of matrix independent calibration approaches in fast flow glow discharge mass spectrometry Open
The performance of glow discharge mass spectrometry (GD-MS) is investigated for the accurate quantification of metallic impurities and oxygen in solid samples using the fast flow source GD-MS instrument ELEMENT GD.
View article: Electrodeposited metal-organic framework films as self-assembled hierarchically superstructured supports for stable omniphobic surface coatings
Electrodeposited metal-organic framework films as self-assembled hierarchically superstructured supports for stable omniphobic surface coatings Open
Superhierarchically rough films are rapidly synthesised on metal substrates via electrochemically triggered self-assembly of meso/macroporous-structured metal-organic framework (MOF) crystals. These coatings are applied to immobilise a fun…
View article: Enhancing Performance of Upgraded Metallurgical Grade Silicon Solar Cells Nano-Textured by Using Metal Catalyzed Chemical Etching
Enhancing Performance of Upgraded Metallurgical Grade Silicon Solar Cells Nano-Textured by Using Metal Catalyzed Chemical Etching Open
Photovoltaic electricity generation has reached a significant share on total electricity production in several countries, already, due to a continuous decrease in production cost and increase in solar cell efficiency. The present study com…
View article: Wavelength Scanning with a Tilting Interference Filter for Glow-Discharge Elemental Imaging
Wavelength Scanning with a Tilting Interference Filter for Glow-Discharge Elemental Imaging Open
Glow discharges have long been used for depth profiling and bulk analysis of solid samples. In addition, over the past decade, several methods of obtaining lateral surface elemental distributions have been introduced, each with its own str…
View article: Compositional depth profiling of diamond-like carbon layers by glow discharge optical emission spectroscopy
Compositional depth profiling of diamond-like carbon layers by glow discharge optical emission spectroscopy Open
This article describes the compositional depth profiling (CDP) of diamond-like carbon (DLC) layers by Glow Discharge-Optical Emission Spectrometry (GD-OES).
View article: Investigation of the electrical properties of standard and low-gas-flow ICPs using novel probes for the direct measurements of RF voltage and current in the load coil and the corresponding calculation of the ICP power
Investigation of the electrical properties of standard and low-gas-flow ICPs using novel probes for the direct measurements of RF voltage and current in the load coil and the corresponding calculation of the ICP power Open
For the first time RF voltage and current were measured directly at the ICP load coil.