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van Ginkel, H.J. (author)This thesis is about the application and characterisation of spark ablation generated nanoparticles in microelectronics. It opens in chapter 1 with a general motivation of the need for advanced materials and for nanotechnology in particular. It then describes what nanoparticles are and why they are promising materials. Some of their advantages...doctoral thesis 2024
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Martin Saint-Laurence, P.M. (author), Aguilar, C. (author), Cabrera, J. M. (author)Refractory high-entropy alloys (RHEAs) are promising candidates for those applications requiring of strong materials at high temperatures with elevated thermal stability and excellent oxidation, irradiation, and corrosion resistance. Particularly, RHEAs synthesized using mechanical alloying (MA) followed by spark plasma sintering (SPS) has...journal article 2024
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van den Berg, D. (author), Brouwer, J.C. (author), Hendrikx, R.W.A. (author), Kortlever, R. (author)In this study, we experimentally screen a promising class of intermetallic alloys for the electrochemical reduction of CO<sub>2</sub> toward hydrocarbon products. Based on previous DFT-based screening papers, combinations of strongly CO-binding metals such as iron, cobalt, and nickel with weakly CO-binding metals such as gallium, aluminium or...journal article 2024
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Cernuschi, Federico (author), Kulczyk-Malecka, Justyna (author), Zhang, Xun (author), Nozahic, Franck (author), Estournès, Claude (author), Sloof, W.G. (author)The thermal diffusivity and conductivity of dense and porous binary composites having an insulating and conducting phase were studied across its entire composition range. Experimental evaluation has been performed with MoSi<sub>2</sub> particles embedded into yttria partially stabilized zirconia (YPSZ) as prepared by spark plasma sintering ...journal article 2023
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van Ginkel, H.J. (author), Mitterhuber, Lisa (author), van de Putte, Marijn Willem (author), Huijben, Mark (author), Vollebregt, S. (author), Zhang, Kouchi (author)Reducing the thermal conductivity of thermoelectric materials has been a field of intense research to improve the efficiency of thermoelectric devices. One approach is to create a nanostructured thermoelectric material that has a low thermal conductivity due to its high number of grain boundaries or voids, which scatter phonons. Here, we present...journal article 2023
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Bhootpur, N. (author), Brouwer, J.C. (author), Tang, Y. (author)In the past decades, Zirconia (ZrO<sub>2</sub>) has emerged as a promising technical ceramic, both as high temperature structural material and electrolyte for fuel cells, etc. The traditional synthesis of ZrO<sub>2</sub> with spark plasma sintering (SPS) usually requires a sintering temperature as high as 1200 °C. General interest in lowering...journal article 2023
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Zhu, Jia-Ning (author), Ding, Z. (author), Borisov, Evgenii (author), Yao, Xiyu (author), Brouwer, J.C. (author), Popovich, Anatoly (author), Hermans, M.J.M. (author), Popovich, V. (author)The pursuit of enhancing NiTi superelasticity through laser powder bed fusion (L-PBF) and [001] texture creation poses a challenge due to increased susceptibility to hot cracking in the resulting microstructure with columnar grains. This limitation restricts NiTi's application and contributes to material waste. To overcome this, we introduce...journal article 2023
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van Iersel, Coen (author)The maritime sector faces major challenges to reduce its impact on global warming. The use of methanol as a fuel alternative is considered one of the more promising options to be implemented in a relatively short to medium time frame; based on the potential availability, emission reduction, energy density, potential to be synthetically produced,...master thesis 2022
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Beydilli, Esad (author)Metal oxide nanoparticle gas sensors showpromise due to their high sensitivity towards a wide range of gases, low costs, and low complexity. Particle sizes at nanometers offer a high surface-to-volume ratio which provides more areas on the surface where reactions can occur. This work presents the application of spark ablated nanoparticles on...master thesis 2022
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Ahmad, T. (author)The ever increasing pace of advancements in sequencing technologies has enabled rapid DNA/genome sequencing to become much more accessible. In particular, next (second) and third generation sequencing technologies offer high throughput, massively parallel and cost effective sequencing solutions. Individual sample sequencing data volumes as well...doctoral thesis 2022
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Sacco, L.N. (author), van Ginkel, H.J. (author), Vollebregt, S. (author)The precise control of patterned arrays of carbon nanofibers (CNFs) is an issue of interest in a wide range of applications. In the present work, we report the synthesis of CNFs grown by plasma-enhanced CVD (PECVD) from a Ni catalyst patterned via aerosol printing of nanoparticles (NPs) by a spark ablation technique. The printing speeds were...conference paper 2022
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van Ginkel, H.J. (author), Vollebregt, S. (author), Schmidt-Ott, A. (author), Zhang, Kouchi (author)A method is presented to directly measure the mass output of an impaction printer coupled with a spark ablation generator. It is based on a quartz crystal microbalance and shown to be reliable in quantifying mass deposition rate. Here, the method is demonstrated with an Au nanoparticle aerosol synthesized under several spark ablation and...journal article 2022
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Rittig, J. (author), Ritzert, Martin (author), Schweidtmann, A.M. (author), Winkler, Stefanie (author), Weber, J.M. (author), Morsch, Philipp (author), Heufer, Karl Alexander (author), Grohe, Martin (author), Mitsos, Alexander (author), Dahmen, Manuel (author)Fuels with high-knock resistance enable modern spark-ignition engines to achieve high efficiency and thus low CO<sub>2</sub> emissions. Identification of molecules with desired autoignition properties indicated by a high research octane number and a high octane sensitivity is therefore of great practical relevance and can be supported by...journal article 2022
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Ji, X. (author), van Ginkel, H.J. (author), Hu, D. (author), Schmidt-Ott, A. (author), van Zeijl, H.W. (author), Vollebregt, S. (author), Zhang, Kouchi (author)Advances in semiconductor device manufacturing technologies are enabled by the development and application of novel materials. Especially one class of materials, nanoporous films, became building blocks for a broad range of applications, such as gas sensors and interconnects. Therefore, a versatile fabrication technology is needed to...conference paper 2022
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van Ginkel, H.J. (author), Orvietani, M. (author), Romijn, J. (author), Zhang, Kouchi (author), Vollebregt, S. (author)In this work, a novel microfabrication-compatible production process is demonstrated and used to fabricate UV photoresistors made from ZnO nanoparticles. It comprises a simple room-temperature production method for synthesizing and direct-writing nanoparticles. The method can be used on a wide range of surfaces and print a wide range of...conference paper 2022
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Yönsel, Yüksel (author)There has been an increasing interest in moving computation closer to storage in recent years due to significant improvements in memory technology. FPGAs were proven to be an exciting candidate for accelerating database workloads since they provide an energy-efficient, reconfigurable and high-performance computation platform. Therefore, FPGAs...master thesis 2021
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Meghana Amaregouda, Meghana (author)Conventional early-stage breast cancer treatments such as surgery, chemotherapy and external radiotherapy despite their proven short-term efficacy tend to have adverse long-term physiological and psychological implications on the patients. This is primarily due to their inability to spare healthy tissue surrounding the tumor...master thesis 2021
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van Ginkel, H.J. (author), Romijn, J. (author), Vollebregt, S. (author), Zhang, Kouchi (author)The growing diversity in the used materials in semiconductor packaging provides challenges for achieving good interconnection. Particularly the very soft substrates, such as paper and polymers, and very hard, such as silicon carbide, offer unique challenges to wire-bonding or formation of vertical interconnects. Complementary technologies are...conference paper 2021
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Laot, M.A.L. (author), Rich, Belinda (author), Cheibas, Ina (author), Fu, J. (author), Zhu, Jia-Ning (author), Popovich, V. (author)This study investigates the feasibility of in-situ manufacturing of a functionally graded metallic-regolith. To fabricate the gradient, digital light processing, an additive manufacturing technique, and spark plasma sintering were selected due to their compatibility with metallic-ceramic processing in a space environment. The chosen methods...journal article 2021
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Razumov, Nikolay (author), Makhmutov, Tagir (author), Kim, Artem (author), Shemyakinsky, Boris (author), Popovich, V. (author), Popovich, Anatoly (author)In this study, bulk samples of a CrMoNbWV high-entropy alloy (HEA) were obtained for the first time by spark plasma sintering (SPS) of mechanically alloyed (MA) powders at 1200 °C, 1300 °C, and 1400 °C. Microstructure evolution, phase formation as well as wear and corrosion behavior were investigated. The MA powders’ phase composition was found...journal article 2021