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Wikkerink, D.P. (author), Gagic, Mladen (author), Mor, A. R. (author), Polinder, H. (author), Ross, Robert (author)A degaussing system can be used to reduce the detectability of the magnetic signature of a ship. Commonly, a degaussing system consists of a set of onboard copper coils that produce a magnetic field to compensate for the magnetic signature. High-temperature superconductive degaussing coils are considered an alternative to copper degaussing...journal article 2024
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van Loo, N. (author)The development of quantum computers is perhaps one of the most exciting innovations of our time. The most investigated quantum computers, however, suffer from the fact that quantum information is lost due to interaction between the quantum bits and their environment. As a radically different approach, it has been proposed that one can instead...doctoral thesis 2023
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Wang, Yixia (author), Lin, Shu (author), Wang, Yibing (author), De Schutter, B.H.K. (author), Xu, Jungang (author)Currently, with the development of driving technologies, driverless vehicles gradually are becoming more and more available. Therefore, there would be a long period of time during which self-driving vehicles and human-driven vehicles coexist. However, for a mixed platoon, it is hard to control the formation due to the existence of the manual...journal article 2023
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Pascual Laguna, A. (author)The mysteries of the early Universe are largely enshrouded in dust, product of the violent process of star formation. Due to the vast distances of our Universe, infrared light emitted by the heated dust back in those early stages can still be observed today, which has been observed to contribute to about half of the total cosmic background...doctoral thesis 2022
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Gao, J.R. (author), Gan, Y. (author), Mirzaei, B. (author), Silva, J. R.G. (author), Cherednichenko, S. (author)Heterodyne receivers combining a NbN HEB mixer with a local oscillator (LO) are the work horse for high resolution (≥106) spectroscopic observations at supra-terahertz frequencies. We report an MgB2 HEB mixer working at 5.3 THz with<br/>20 K operation temperature based on a previously published paper [Y. Gan et al, Appl. Phys. Lett., 119, 202601...conference paper 2022
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Heidary, Amir (author), Yazdani-Asrami, Mohammad (author), Hesami, Morteza (author), Sood, Vijay (author)Utilizing superconducting technology in fault current limiters for power grid applications is a practical solution to achieve a more modern and efficient power system. This is due to their low-loss profile, high efficiency, and ability to transmit about 5x more power in the same footprint compared to conventional counterparts. In addition,...journal article 2022
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Wikkerink, D.P. (author), Mor, A. R. (author), Polinder, H. (author), Ross, Robert (author)Detection of the magnetic signature of ships can be avoided by using a degaussing system; a set of on-board copper coils that compensates for the magnetic signature. High temperature superconductors (HTS) are currently investigated as a replacement for copper degaussing coils. By using HTS, we have to deal with higher currents and therefore...journal article 2022
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Kashiwagi, Takanari (author), Yuasa, Takumi (author), Kuwano, Genki (author), Yamamoto, T. (author), Tsujimoto, Manabu (author), Minami, Hidetoshi (author), Kadowaki, Kazuo (author)The radiation intensity from the intrinsic Josephson junction high-T<sub>c</sub> superconductor Bi<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8+δ</sub> terahertz emitters (Bi2212-THz emitters) is one of the most important characteristics for application uses of the device. In principle, it would be expected to be improved with increasing...journal article 2021
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Kosse, J.J. (author), Dhallé, M. (author), Tomás, G. (author), Rem, P.C. (author), ter Brake, H.J.M. (author), ten Kate, H.H.J. (author)This article discusses the optimum layout of coils of a superconducting magnet system for magnetic density separation (MDS). MDS is a novel separation technology that combines a vertical magnetic field gradient with a ferrofluid to separate mixtures of non-magnetic particles based on their mass density. The MDS process can separate more than...journal article 2021
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Wikkerink, D.P. (author), Hanse, Izak (author), Mor, A. R. (author), Polinder, H. (author), Ross, Robert (author)Due to their permeability, merchant and naval vessels distort Earth’s magnetic field which leaves a magnetic signature. These anomalies in the magnetic field may be detected by mines leaving the vessel exposed. To avoid detection by magnetic sensors, the vessels magnetic signature can be reduced in several ways. One of them is degaussing: a...conference paper 2020
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Ridderbos, Joost (author), Braun, M. (author), de Vries, F.K. (author), Shen, J. (author), Li, Ang (author), Kölling, S. (author), Verheijen, Marcel A. (author), Brinkman, Alexander (author), van der Wiel, Wilfred G. (author), Bakkers, E.P.A.M. (author), Zwanenburg, Floris A. (author)We show a hard superconducting gap in a Ge-Si nanowire Josephson transistor up to in-plane magnetic fields of 250 mT, an important step toward creating and detecting Majorana zero modes in this system. A hard gap requires a highly homogeneous tunneling heterointerface between the superconducting contacts and the semiconducting nanowire. This...journal article 2020
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de Moor, M.W.A. (author)Quantum technology is a promising area of research, with the quantum computer as the prime example. Quantum computers can perform calculations thought to be impossible by conventional means. The fundamental building block of a quantum computer is a qubit, which is a quantumsystem which can be used to process and store quantuminformation. Most...doctoral thesis 2019
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Proutski, A. (author)Materials possessing superconducting properties are highly sought after due to their potential technological applications. Much of the work has focused on utilising a thin insulating barrier separating a pair of superconducting electrodes, a Josephson junction, as a workhorse in the field of superconducting based quantumcomputation. Yet such...doctoral thesis 2019
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Wikkerink, D.P. (author), Mor, A. R. (author), Polinder, H. (author), Ross, Robert (author)In order to avoid detection by sea mines, the magnetic signature of merchant and naval vessels can be reduced by running a current through a set of on-board copper coils. This process is called degaussing. Studies have shown that the volume, weight and energy losses of a degaussing system can be reduced by replacing the copper coils with high...conference paper 2019
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Sahu, Sudhir Kumar (author), Vaidya, Jaykumar (author), Schmidt, F.E. (author), Jangade, Digambar (author), Thamizhavel, Arumugam (author), Steele, G.A. (author), Deshmukh, Mandar M. (author), Singh, V. (author)In this report, we present nanoelectromechanical resonators fabricated with thin exfoliated crystals of a high-T <sub>c</sub> cuprate superconductor Bi <sub>2</sub> Sr <sub>2</sub> Ca <sub>1</sub> Cu <sub>2</sub> O. The mechanical readout is performed by capacitively coupling their motion to a coplanar waveguide microwave cavity fabricated...journal article 2019
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Abrahamsen, Asger Bech (author), Liu, D. (author), Magnusson, Niklas (author), Thomas, Arwyn (author), Azar, Ziad (author), Stehouwer, Ewoud (author), Hendriks, Ben (author), Van Zinderen, Gerrit-Jan (author), Deng, Fujin (author), Chen, Zhe (author), Karwatzki, Dennis (author), Mertens, Axel (author), Parker, Max (author), Finney, Stephen (author), Polinder, H. (author)A method for comparing the levelized cost of energy (LCoE) of different superconducting drive trains is introduced. The properties of a 10-MW MgB<sub>2</sub> superconducting direct-drive generator and the cost break down of the nacelle components are presented and scaled up to a turbine with a rotor diameter of up to 280 m. The partial load...journal article 2018
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Liu, D. (author), Polinder, H. (author), Abrahamsen, Asger B. (author), Ferreira, Jan Abraham (author)This paper aims at assessing the potential of partially superconducting generators for 10 MW direct-drive wind turbines by investigating their performance for a very wide range of excitation currents. Performance indicators such as shear stress and efficiency and other generator characteristics are compared for 12 different generator topologies....journal article 2017
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Talantsev, E. F. (author), Crump, W. P. (author), Island, J.O. (author), Xing, Ying (author), Sun, Yi (author), Wang, Jian (author), Tallon, J. L. (author)Recent experiments showed that thinning gallium, iron selenide and 2H tantalum disulfide to single/several monoatomic layer(s) enhances their superconducting critical temperatures. Here, we characterize these superconductors by extracting the absolute values of the London penetration depth, the superconducting energy gap, and the relative...journal article 2017
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Shcherbatenko, M. (author), Tretyakov, I. (author), Lobanov, Yu (author), Maslennikov, S. N. (author), Kaurova, N. (author), Finkel, M. (author), Voronov, B. (author), Goltsman, G. (author), Klapwijk, T.M. (author)We present a physically consistent interpretation of the dc electrical properties of niobiumnitride (NbN)-based superconducting hot-electron bolometer mixers, using concepts of nonequilibrium superconductivity. Through this, we clarify what physical information can be extracted from the resistive transition and the dc current-voltage...journal article 2016
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Vuik, A. (author), Eeltink, D. (author), Akhmerov, A.R. (author), Wimmer, M.T. (author)One of the promising platforms for creating Majorana bound states is a hybrid nanostructure consisting of a semiconducting nanowire covered by a superconductor.Weanalyze the previously disregarded role of electrostatic interaction in these devices. Our main result is that Coulomb interaction causes the chemical potential to respond to an applied...journal article 2016