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Liu, Xu (author), Hu, D. (author), Li, Z. (author), Fan, Xuejun (author), Zhang, Kouchi (author), Fan, J. (author)The nano-copper particles are widely used in the sintering processes of packaging wide bandgap semiconductors. Despite the significant success in the industry, the mechanism bridging the sintering process to the mechanical properties of sintered nano-copper is not yet well-modeled. In this paper, the impacts of different sintering temperatures...conference paper 2024
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Sheng, Yue (author), Jin, Sheng (author), Comeau, M.J. (author), Hou, Zengqian (author), Yin, Yaotian (author), Zhang, Letian (author), Wei, Wenbo (author), Ye, Gaofeng (author)New evidence worldwide has linked the surface locations of mineral deposits and their crustal-scale electrical conductivity footprint. We examine the relationship between the Gangdese Miocene porphyry copper deposits, Tibetan Plateau, and the electrical conductivity signature from a three-dimensional model generated from 311 magnetotelluric...journal article 2024
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Pinto, D. (author), Minorello, S. (author), Zhou, Zhouping (author), Urakawa, A. (author)Carbon dioxide capture and reduction (CCR) process emerges as an efficient catalytic strategy for CO<sub>2</sub> capture and conversion to valuable chemicals. K-promoted Cu/Al<sub>2</sub>O<sub>3</sub> catalysts exhibited promising CO<sub>2</sub> capture efficiency and highly selective conversion to syngas (CO + H<sub>2</sub>). The dynamic...journal article 2024
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Ta, Na (author), Huang, Jing Yi (author), He, Shuai (author), Gai, H. (author), Chao, Luo Meng (author)The increasing energy consumption in buildings due to cooling and heating, accounting for over one-third of the total energy consumption in society, has become a growing concern. Therefore, reducing building energy consumption has become an urgent issue for countries worldwide. Windows serve as the primary channel for energy exchange between...review 2024
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Houtkoop, Mariëtte (author)This research aimed to optimize the process parameters of small copper parts printed with binder jetting. The optimisation was distinguished by dividing the parameters in print and post-process parameters. Binder jetting is an additive manufacturing technique that combines layers of the material in powder form with a binder. After the printing...master thesis 2023
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- Puchol Morejón, Eduardo (author) master thesis 2023
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Chen, N. (author)The issue of climate change, including global warming, poses a significant challenge to our planet. In response to this challenge, the Paris Agreement was signed, which aims to limit the rise in global temperatures to well below 2 <sup style="--tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw...doctoral thesis 2023
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Meershoek, Laurens (author)Tailings are a waste product of primary metal production. Although these metals contribute to the development of modern technology and renewable energy systems, tailings pose significant environmental, economic, and human health risks. Stored behind a dam in tailings storage facilities (TSFs) these waste materials are meant to be isolated from...master thesis 2023
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Sajeev Kumar, A. (author), Moura de Salles Pupo, M. (author), Petrov, K.V. (author), Ramdin, M. (author), van Ommen, J.R. (author), de Jong, W. (author), Kortlever, R. (author)Aqueous electrolytes used in CO2 electroreduction typically have a CO2 solubility of around 34 mM under ambient conditions, contributing to mass transfer limitations in the system. Non-aqueous electrolytes exhibit higher CO2 solubility (by 5–8-fold) and also provide possibilities to suppress the undesired hydrogen evolution reaction (HER). On...journal article 2023
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Neeft, Tobias (author)Silicon wafers and solar cells are delicate components used in the semiconductor industries and energy industries. Handling and transportation can easily damage these components. Conventional handling methods with mechanical contact can cause various damages to these delicate surfaces. Air bearings can provide a solution by enabling an almost...master thesis 2023
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Phongprueksathat, N. (author)Since the industrial revolution in the 1760s, the CO2 concentration in the atmosphere has been rising incessantly driving global warming closer to the point of no return. The world requires urgent actions to not only reduce CO2 emissions but also capture the CO2 for utilization to mitigate the future environmental crisis. CO2 hydrogenation to...doctoral thesis 2023
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Hagen, W.R. (author)Electron paramagnetic resonance spectroscopy is a long-standing method for the exploration of electronic structures of transition ion complexes. The difficulty of its analysis varies considerably, not only with the nature of the spin system, but more so with the relative magnitudes of the magnetic interactions to which the spin is subject, where...journal article 2023
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Alali, Arkan (author), Hosseini-Abari, Afrouzossadat (author), Bahrami, A. (author), Yazdan Mehr, M. (author)Modification of paint with nanoparticles (NPs) provides self-cleaning, water/dirt-repellent, and other properties. Therefore, the aim of the present study was to biosynthesize silver (Ag) and copper oxide (CuO) NPs and to prepare NP-modified paint. To this end, AgNPs and CuONPs were biosynthesized using Bacillus atrophaeus spores and commercial...journal article 2023
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Ji, X. (author), van Zeijl, H.W. (author), Jiao, Weiping (author), He, S. (author), Du, L. (author), Zhang, Kouchi (author)The trend to 3D and heterogeneous integration enable driving multi-functional blocks in one package. Flip-chip integration is currently playing an important role and is based on solder joints. To overcome the limitations of solder joints, all-copper interconnects have been investigated to meet electrical, thermal, and reliability demands in...conference paper 2023
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Li, Shizhen (author), Jiang, Jing (author), Liu, X. (author), Wang, S. (author), Zhang, Zhonghua (author), Ye, Huaiyu (author)Substrate metallization is a crucial factor affecting the mechanical properties of sintered nanoparticles in microelectronics applications, as it is essential for ensuring good adhesion between the substrate and the sintered material. In this study, we investigated the influence of metallization on pressure-assisted nanocopper sintering and...conference paper 2023
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Zhang, Y. (author), Mo, J. (author), Cui, Z. (author), Vollebregt, S. (author), Zhang, Kouchi (author)The continuous downscaling of microelectronics has introduced many reliability issues on interconnect. Electromigration and dewetting are major reliability concerns in high-temperature micro- and nanoscale devices. In this paper, the local dewetting of copper thin film during the electromigration test was first found and investigated. When...conference paper 2023
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Hu, D. (author), Qian, Cheng (author), Liu, X. (author), Du, L. (author), Sun, Zhongchao (author), Fan, X. (author), Zhang, Kouchi (author), Fan, J. (author)As a promising technology for high-power and high-temperature power electronics packaging, nanocopper (nanoCu) paste sintering has recently received increasing attention as a die-attachment. The high-temperature deformation of sintered nanoCu paste and its underlying mechanisms challenge the reliability of high-power electronics packaging. In...journal article 2023
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Du, Yunlu (author), Huang, Yunkai (author), Guo, Baocheng (author), Peng, Fei (author), Yao, Y. (author), Dong, J. (author)This article proposes a hybrid analytical model (HAM) for predicting ac copper losses in hairpin windings. The HAM combines the nonlinear semi-analytical model (SAM) and the 1-D ac copper loss computation model to solve the inaccurate boundary solutions of the 1-D ac copper loss computation model when magnetic saturation occurs in the stator...journal article 2023
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Luo, T. (author), Ghaffarian Niasar, M. (author), Vaessen, P.T.M. (author)Magnetic components are essential parts in many power electronic applications. Their characteristics deeply impact the performances of the applications. This article proposed a 2-D calculation method for frequency-dependent winding losses and leakage inductance of magnetic components of round conductors. The method does not have any...journal article 2023
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Brudzisz, Anna (author), Giziński, Damian (author), Liszewska, Malwina (author), Wierzbicka, Ewa (author), Tiringer, U. (author), Taha, Safeya A. (author), Zając, Marcin (author), Orzechowska, Sylwia (author), Jankiewicz, Bartłomiej (author), Taheri, P. (author), Stępniowski, Wojciech J. (author)The low-voltage (< 5 V) anodization of copper in aqueous solutions of sodium bicarbonate was studied for the first time. As demonstrated, this method leads to the formation of microstructures on a copper surface, that are composed of malachite (CuCO<sub>3</sub>·Cu(OH)<sub>2</sub>). Moreover, by tuning the operating conditions, i.e.,...journal article 2023