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Zhang, H. (author), Berkhout, M. (author), Makinwa, K.A.A. (author), Fan, Q. (author)This article presents a digital-input class-D amplifier (CDA) achieving high dynamic range (DR) by employing a chopped capacitive feedback network and a capacitive digital-to-analog converter (DAC). Compared with conventional resistive-feedback CDAs driven by resistive or current-steering DACs, the proposed architecture eliminates the noise...journal article 2023
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Zhang, Yi (author), Si, Chundi (author), Fan, Taotao (author), Zhu, Yuefeng (author), Li, Song (author), Ren, S. (author), Lin, P. (author)With the increasing awareness of environmental protection and attention to resource reuse, the development of high-performance and degradable green biomass pavement materials attracts a lot of interest. Lignin and bio-oil effectively combined to play a synergistic role can improve various properties of asphalt and partially replace petroleum...journal article 2023
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Zhao, Wenzhao (author), Fan, Yuling (author), Wang, Hongjian (author), Gemmeke, Hartmut (author), van Dongen, K.W.A. (author), Hopp, Torsten (author), Hesser, Jürgen (author)Objective. The image reconstruction of ultrasound computed tomography is computationally expensive with conventional iterative methods. The fully learned direct deep learning reconstruction is promising to speed up image reconstruction significantly. However, for direct reconstruction from measurement data, due to the lack of real labeled...journal article 2023
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Yan, Jingye (author), Wu, Ji (author), Gurvits, L. (author), Wu, Lin (author), Deng, Li (author), Zhao, Fei (author), Zhou, Li (author), Lan, Ailan (author), Fan, Wenjie (author)This paper introduces the first results of observations with the Ultra-Long-Wavelength (ULW) —- Low Frequency Interferometer and Spectrometer (LFIS) on board the selenocentric satellite Longjiang-2. We present a brief description of the satellite and focus on the LFIS payload. The in-orbit commissioning confirmed a reliable operational status...journal article 2023
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Wu, B. (author), Lewis, R.W. (author), Li, G. (author), Gao, Yifan (author), Fan, B. (author), Klemm, B. (author), Huang, J. (author), Wang, Junyou (author), Cohen Stuart, Martien A. (author), Eelkema, R. (author)In the quest for stimuli-responsive materials with specific, controllable functions, coacervate hydrogels have become a promising candidate, featuring sensitive responsiveness to environmental signals enabling control over sol-gel transitions. However, conventional coacervation-based materials are regulated by relatively non-specific signals,...journal article 2023
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Li, G. (author), Wan, Yucheng (author), Lewis, R.W. (author), Fan, B. (author), Eelkema, R. (author)Living systems can respond to their environment through signal transduction cascades. In these cascades, original stimuli are amplified and translated into reaction or assembly events. In an effort to instill synthetic materials with biomimetic responsivity, we report an aggregation process forming a supramolecular network held together by...journal article 2023
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Kouwenhoven, K. (author), Fan, D. (author), Biancalani, Enrico (author), de Rooij, S.A.H. (author), Karim, A.T. (author), Smith, C.S. (author), Murugesan, Vignesh (author), Thoen, David (author), Baselmans, J.J.A. (author), de Visser, P.J. (author)Kinetic inductance detectors (KIDs) are superconducting energy-resolving detectors, sensitive to single photons from the near-infrared to ultraviolet. We study a hybrid KID design consisting of a β-phase tantalum (β-Ta) inductor and a Nb-Ti-N interdigitated capacitor. The devices show an average intrinsic quality factor Qi of 4.3×105±1.3×105....journal article 2023
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Fan, B. (author), Torres García, Diana (author), Salehi, Marziye (author), Webber, Matthew J. (author), van Kasteren, S.I. (author), Eelkema, R. (author)Dextran-based hydrogels are promising therapeutic materials for drug delivery, tissue regeneration devices, and cell therapy vectors, due to their high biocompatibility, along with their ability to protect and release active therapeutic agents. This report describes the synthesis, characterization, and application of a new dynamic covalent...journal article 2023
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Fan, Zhi Yuan (author), Qiu, Liu (author), Groeblacher, S. (author), Li, Jie (author)Microwave-optics entanglement is a vital component for building hybrid quantum networks. Here, a new mechanism for preparing stationary entanglement between microwave and optical cavity fields in a cavity optomagnomechanical system is proposed. It consists of a magnon mode in a ferrimagnetic crystal that couples directly to a microwave cavity...journal article 2023
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Wen, Minzhen (author), Guo, Baotong (author), Chen, Shanghuan (author), Hu, X. (author), Fan, Xuejun (author), Zhang, Kouchi (author), Fan, J. (author)The (Ca, Sr) AlSiN₃:Eu²⁺(CSASN:Eu) red phosphor is widely used to improve color rendering of high-power phosphor-converted lighting diode (pc-WLED), but it is always unstable under high temperature and high humidity environments. Therefore, the studies on the temperature and humidity resistance of red phosphors and their aging mechanism have...conference paper 2023
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Liu, Minne (author), Ibrahim, Mesfin S. (author), Wen, Minzhen (author), Li, Sheng (author), Wang, An (author), Zhang, Kouchi (author), Fan, J. (author)Spectral power distribution (SPD) is the radiation power intensity at different wavelengths, containing the most basic photometric and colorimetric performance of the illuminant, which is able to predict the lifetime of LEDs. This paper proposes an SPD model assisted by machine learning algorithms to detect the early failure of white LEDs. The...conference paper 2023
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Wang, Hanyu (author), Chen, Dengkai (author), Huang, Y. (author), Zhang, Yahan (author), Qiao, Yidan (author), Xiao, Jianghao (author), Xie, Ning (author), Fan, Hao (author)This study aimed to enhance the real-time performance and accuracy of vigilance assessment by developing a hidden Markov model (HMM). Electrocardiogram (ECG) signals were collected and processed to remove noise and baseline drift. A group of 20 volunteers participated in the study. Their heart rate variability (HRV) was measured to train...journal article 2023
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Qian, Cheng (author), Hu, D. (author), Liu, Xu (author), Fan, Xuejun (author), Zhang, Kouchi (author), Fan, J. (author)Nano-metal materials sintering has received increasing attention in recent years for its promising performance in the wide bandgap semiconductor packaging. In this paper, molecular dynamics (MD) simulation method were applied to simulate the nano-Cu sintering mechanism and the subsequent mechanical behavior. Hybrid sintering, comprising...conference paper 2023
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Cui, Z. (author), Fan, Xuejun (author), Zhang, Kouchi (author)This paper investigates thermomigration (TM) and electromigration (EM) in SWEAT structure. Firstly, the distribution of temperature along SWEAT structure during EM is obtained by using finite element (FE) simulation. The FE simulation results show that the temperature is almost uniformly distributed in the most region of narrow line in SWEAT...conference paper 2023
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Tang, Zhuorui (author), Tian, Jing (author), Mao, Chaobin (author), Zhang, Nan (author), Huang, Jiyu (author), Fan, J. (author), Zhang, Kouchi (author)Silicon carbide (SiC) epitaxial process is a key step in the fabrication of power devices, and the temperature field inside the reactor chamber plays an essential role in this process. In this paper, the temperature field in the horizontal chemical-vapor-deposition reactor chamber used for growing homo-epitaxial 4H-SiC material is studied using...conference paper 2023
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Fan, Q. (author), van Essen, J.T. (author), Correia, Gonçalo (author)Shared automated vehicles (SAV) are expected to benefit the sustainable development of urban regions and alleviate the negative impacts brought by the increasing number of private cars. In this paper, we envision a future scenario where non-pooled SAVs replace private cars and provide public on-demand mobility services to satisfy the mobility...journal article 2023
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Chen, Wei (author), Jiang, Jing (author), Meda, Abdulmelik H. (author), Ibrahim, Mesfin S. (author), Zhang, Kouchi (author), Fan, J. (author)SiC MOSFET is mainly characterized by the higher electric breakdown field, higher thermal conductivity, and lower switching loss enabling high breakdown voltage, high-temperature operation, and high switching frequency. However, their performances are considerably limited by the high parasitic inductance and poor heat dissipation capabilities...journal article 2023
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Jiang, Jing (author), Chen, Wei (author), Qian, Yichen (author), Meda, Abdulmelik H. (author), Fan, X. (author), Zhang, Kouchi (author), Fan, J. (author)Considerable advancements in power semiconductor devices have resulted in such devices being increasingly adopted in applications of energy generation, conversion, and transmission. Hence, we proposed a fan-out panel-level packaging (FOPLP) design for 30-V Si-based metal-oxide-semiconductor field-effect transistor (MOSFET). To achieve...journal article 2023
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Zhang, H. (author), Berkhout, Marco (author), Makinwa, K.A.A. (author), Fan, Q. (author)Class-D amplifiers (CDAs) are widely used in audio applications where a high power efficiency is required. As most audio sources are digital nowadays, implementing digital-input CDAs results in higher levels of integration and lower cost. However, prior open-loop digital-input CDAs suffer from high jitter sensitivity and output-stage...conference paper 2023
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Jouvaeian, Amirhossein (author), Fan, Q. (author), Motz, Mario (author), Ausserlechner, Udo (author), Makinwa, K.A.A. (author)Magnetic current sensors are widely used in applications where galvanic isolation and wide bandwidth (BW) are desired, such as in switched-mode power supplies and motor drivers. By using Hall plates for low frequencies and pick-up coils for high frequencies, hybrid magnetic sensors can achieve high resolution (tens of textmA) over a wide...conference paper 2023