- document
-
Liu, Z. (author), Baluchová, S. (author), Li, Z. (author), Gonzalez Garcia, Y. (author), Hall, Clive E. (author), Buijnsters, J.G. (author)In this work, four different techniques were concurrently applied to study the interplay between local electroactivity and electrode surface characteristics of free-standing, polycrystalline boron-doped diamond (BDD). Scanning electron microscopy, electron back-scatter diffraction, Raman mapping and scanning electrochemical microscopy were...journal article 2024
- document
-
Feijoo, Sara (author), Baluchová, S. (author), Kamali, Mohammadreza (author), Buijnsters, J.G. (author), Dewil, Raf (author)The ongoing challenge of water pollution by contaminants of emerging concern calls for more effective wastewater treatment to prevent harmful side effects to the environment and human health. To this end, this study explored for the first time the implementation of single-crystal boron-doped diamond (BDD) anodes in electrochemical wastewater...journal article 2024
- document
-
Simon, B.G. (author)Spin waves are the elementary excitations of magnetic materials. They are interesting because of their rich physics and potential role in low-dissipation information technology. To better understand spin-wave transport and explore new ways to control it, this thesis focuses on developing magnetic-imaging techniques based on the single spin of...doctoral thesis 2023
- document
-
Templated Synthesis of Diamond Nanopillar Arrays Using Porous Anodic Aluminium Oxide (AAO) MembranesZhang, C. (author), Liu, Z. (author), Li, Chun (author), Buijnsters, J.G. (author)Diamond nanostructures are mostly produced from bulk diamond (single- or polycrystalline) by using time-consuming and/or costly subtractive manufacturing methods. In this study, we report the bottom-up synthesis of ordered diamond nanopillar arrays by using porous anodic aluminium oxide (AAO). Commercial ultrathin AAO membranes were adopted as...journal article 2023
- document
-
Liu, Z. (author), Baluchová, S. (author), Frota Sartori, A. (author), Li, Z. (author), Gonzalez Garcia, Y. (author), Schreck, Matthias (author), Buijnsters, J.G. (author)In this work, three distinct heteroepitaxial single-crystal boron-doped diamond (SC-BDD) electrodes were fabricated and subjected to detailed surface analysis and electrochemical characterization. Specifically, the heteroepitaxy approach allowed to synthesize large-area (1 cm<sup>2</sup>) and heavily-doped (100)-oriented SC-BDD electrodes....journal article 2023
- document
-
Baluchová, S. (author), Mamaloukou, A. (author), Koldenhof, Rombert H.J.M. (author), Buijnsters, J.G. (author)In this work, non-modified boron-doped diamond (BDD) was employed first time ever as the sensing material for the in-depth voltammetric study of the antiretroviral drug nevirapine (NVP) used to treat HIV infections. Two types of electrode surface pre-treatments, anodic oxidation and alumina-polishing, yielded BDD of different surface...journal article 2023
- document
-
Li, Y. (author), Gerritsma, F.A. (author), Kurdi, S. (author), Codreanu, N. (author), Groeblacher, S. (author), Hanson, R. (author), Norte, R.A. (author), van der Sar, T. (author)Magnetic imaging with nitrogen-vacancy (NV) spins in diamond is becoming an established tool for studying nanoscale physics in condensed matter systems. However, the optical access required for NV spin readout remains an important hurdle for operation in challenging environments such as millikelvin cryostats or biological systems. Here, we...journal article 2023
- document
-
Iwai, Toshiki (author), Kawaguchi, Kenichi (author), Miyatake, Tetsuya (author), Ishiguro, Tetsuro (author), Miyahara, Shoichi (author), Doi, Yoshiyasu (author), Nur, S. (author), Ishihara, R. (author), Sato, Shintaro (author)For quantum computing modules using diamond color centers, we propose an integrated structure of a quantum chip with photonic circuits and an interposer with electric circuits. The chip and interposer are connected via gold stud bumps using flip-chip bonding technology. For evaluating the proposed integrated structure, we bonded a test chip...conference paper 2023
- document
-
Liu, Z. (author), Baluchová, S. (author), Brocken, Bob (author), Ahmed, Essraa (author), Pobedinskas, Paulius (author), Haenen, Ken (author), Buijnsters, J.G. (author)Fabrication of patterned boron-doped diamond (BDD) in an inexpensive and straightforward way is required for a variety of practical applications, including the development of BDD-based electrochemical sensors. This work describes a simplified and novel bottom-up fabrication approach for BDD-based three-electrode sensor chips utilizing direct...journal article 2023
- document
-
Martin, H.A. (author), Reintjes, Marcia (author), Reijs, Dave (author), Dorrestein, Sander (author), Kengen, Martien (author), Libon, Sebastien (author), Smits, Edsger (author), Tang, Xiao (author), Koelink, Marco (author), Poelma, René H. (author), van Driel, W.D. (author), Zhang, Kouchi (author)Integrated Circuits and Electronic Modules experience concentrated thermal hot spots, which require advanced thermal solutions for effective distribution and dissipation of heat. The superior thermal properties of diamonds are long known, and it is an ideal material for heat-spreading applications. However, growing diamond films to the...conference paper 2023
- document
-
Miyatake, Tetsuya (author), Kawaguchi, Kenichi (author), Ohtomo, Manabu (author), Iwai, Toshiki (author), Ishiguro, Tetsuro (author), Doi, Yoshiyasu (author), Hermias, J. (author), Nur, S. (author), Ishihara, R. (author), Sato, Shintaro (author)Surface-activated direct bonding of diamond (100) and c-plane sapphire substrates is investigated using Ar atom beam irradiation and high-pressure contact at RT. The success probability of bonding strongly depends on the surface properties, i.e, atomic smoothness for the micron-order area and global flatness for the entire substrate....journal article 2023
- document
-
Mastellone, Matteo (author), Bolli, Eleonora (author), Valentini, Veronica (author), Orlando, Stefano (author), Lettino, Antonio (author), Polini, Riccardo (author), Buijnsters, J.G. (author), Bellucci, Alessandro (author), Trucchi, Daniele Maria (author)Polycrystalline boron-doped diamond (BDD) films were surface nanotextured by femtosecond pulsed laser irradiation (100 fs duration, 800 nm wavelength, 1.44 J cm<sup>−2</sup> single pulse fluence) to analyse the evolution of induced alterations on the surface morphology and structural properties. The aim was to identify the occurrence of laser...journal article 2023
- document
-
Feringa, J. (author)The presented research addresses the question of how to bridge the divide between academic research and industry in the domain of by investigating aspects of computational design , robotic fabrication and their impact on practice via a series of experiments and case studies. Research sub-questions related to the architectural model , geometry...doctoral thesis 2022
- document
-
Suresh Babu, Diwakar (author), Mol, J.M.C. (author), Buijnsters, J.G. (author)GenX is the trade name of the ammonium salt of hexafluoropropylene oxide dimer acid (HFPO-DA) and is used as a replacement for the banned perfluorooctanoic acid (PFOA). However, recent studies have found GenX to be more toxic than PFOA. This work deals with the electrochemical degradation of HFPO-DA using boron-doped diamond anodes. For the...journal article 2022
- document
-
Oliveira, Raisa C.P. (author), Buijnsters, J.G. (author), Mateus, Maria M. (author), Bordado, João C.M. (author), Santos, Diogo M.F. (author)Black liquor (BL) is a highly alkaline byproduct from pulp mills. BL is rich in inorganic and organic compounds, with lignin (a natural polymer) being the most abundant. Following a waste biorefinery concept, the electrolysis of BL comprises lignin oxidation at the anode and hydrogen evolution at the cathode. These paired electrochemical...journal article 2022
- document
-
Simon, B.G. (author), Kurdi, S. (author), Carmiggelt, J.J. (author), Borst, M. (author), Katan, A.J. (author), van der Sar, T. (author)Nitrogen-vacancy (NV) magnetometry is a new technique for imaging spin waves in magnetic materials. It detects spin waves by their microwave magnetic stray fields, which decay evanescently on the scale of the spin-wavelength. Here, we use nanoscale control of a single-NV sensor as a wavelength filter to characterize frequency-degenerate spin...journal article 2022
- document
-
Rycewicz, M.K. (author), Nosek, Adrian (author), Shin, D. (author), Ficek, Mateusz (author), Buijnsters, J.G. (author), Bogdanowicz, Robert (author)In this paper, the effect of boron doping on the electrical, morphological and structural properties of free-standing nanocrystalline diamond sheets (thickness ~ 1 μm) was investigated. For this purpose, we used diamond films delaminated from a mirror-polished tantalum substrate following a microwave plasma-assisted chemical vapor deposition...journal article 2022
- document
-
Bertelli, I. (author), Simon, B.G. (author), Yu, T. (author), Aarts, Jan (author), Bauer, G.E. (author), Blanter, Y.M. (author), van der Sar, T. (author)Spin waves in magnetic insulators are low-damping signal carriers that can enable a new generation of spintronic devices. The excitation, control, and detection of spin waves by metal electrodes is crucial for interfacing these devices to electrical circuits. As such, it is important to understand metal-induced damping of spin-wave transport,...journal article 2021
- document
-
Liu, Z. (author), Frota Sartori, A. (author), Buijnsters, J.G. (author)Boron-doped diamond (BDD) is of increasing interest for applications in electrochemical sensing. It is well known that the sp<sup>2</sup> carbon content in BDD influences its electrochemical properties as electrode material. In this work, evidence is provided that the surface sp<sup>2</sup> carbon content plays a crucial role in the...journal article 2021
- document
-
Pardanaud, Cedric (author), Cartry, Gilles (author), Lajaunie, Luc (author), Arenal, Raul (author), Buijnsters, J.G. (author)Multiwavelength Raman spectroscopy (325, 514, 633 nm) was used to analyze three different kinds of samples containing sp2 and sp3 carbons: chemical vapor deposited diamond films of varying microstructure, a plasma-enhanced chemical vapor deposited hydrogenated amorphous carbon film heated at 500 °C and highly oriented pyrolytic graphite exposed...journal article 2019