Searched for: subject%3A%22Hall%255C+effect%22
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Ruggeri, J. (author), Strube, J. (author), Dowling, K.M. (author)
This paper reports on the creation of a novel 3D Hall-effect sensor based on an anisotropically etched, inverted pyramid structure. Specific biasing and sensing contact configurations are employed to extract the in-plane or out-of-plane components of the magnetic field, eliminating cross-sensitivity by symmetry. Simulations were performed to...
conference paper 2024
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Saglam, Y.G. (author)
doctoral thesis 2023
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Eslamlou, Armin Dadras (author), Ghaderiaram, A. (author), Schlangen, E. (author), Fotouhi, M. (author)
The growing demand towards life cycle sustainability has created a tremendous interest in non-destructive evaluation (NDE) to minimize manufacturing defects and waste, and to improve maintenance and extend service life. Applications of Magnetic Sensors (MSs) in NDE of civil Construction Materials to detect damage and deficiencies have become...
review 2023
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Eslamlou, A.D. (author), Ghaderiaram, A. (author), Fotouhi, M. (author), Schlangen, E. (author)
The growing demand towards life cycle sustainability has created a tremendous interest in non-destructive evaluation (NDE) to minimize manufacturing defects and waste, and to improve maintenance and extend service life. Applications of Magnetic Sensors (MSs) in NDE of civil engineering structures have become of great interest in recent years...
conference paper 2023
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Paquelet Wuetz, B. (author)
Spin qubits in silicon have emerged as a promising candidate for a scalable quantum computer due to their small footprint, long coherence times, and their compatibility with advanced semiconductor manufacturing. However, all known spin qubit material hosts come with specific challenges, that limit the performance of quantum information...
doctoral thesis 2022
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Ciolini, Matteo (author)
The plasma behaviour in an air-propelled Hall thruster (SITAEL HT5k) is investigated by means of numerical modelling and experimental measurements. The air plasma employed (nitrogen/oxygen mixture) is firstly chemically characterized, identifying the most relevant species produced: four neutrals (N<sub>2</sub>, N, O<sub>2</sub>, O), four...
master thesis 2022
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van Thiel, T.C. (author)
Modern materials synthesis techniques allowfor the layer-by-layer assimilation of structurally similar, yet compositionally different materials into artificial crystals, with atomic scale precision. At the resulting heterointerfaces, structural, electronic and magnetic reconstructions can lead to physical phenomena that are otherwise absent in...
doctoral thesis 2022
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Barczyk, R.T. (author), Parappurath, Nikhil (author), Arora, S. (author), Bauer, T.A. (author), Kuipers, L. (author), Verhagen, Ewold (author)
The introduction of topological concepts to the design of photonic crystal cavities holds great promise for applications in integrated photonics due to the prospect of topological protection. This study examines the signatures of topological light confinement in the leakage radiation of 2D topological photonic crystal cavities. The cavities are...
journal article 2022
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Lee, M. (author)
This thesis encompasses both applied and fundamental studies of suspended van der Waals materials. Chapters 1 and 2 give an introduction to the field of 2D materials and some of the critical methods which facilitate the study of the suspended structures. In Chapters 3 and 4 we focus on the applications of graphene in barometric pressure sensors...
doctoral thesis 2021
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Rigotti Manesco, A.L. (author), Lado, Jose L. (author)
Quasi-flat-bands emerging in buckled monolayer graphene superlattices have been recently shown to realize correlated states analogous to those observed in twisted graphene multilayers. Here, we demonstrate the emergence of valley topology driven by competing electronic correlations in buckled graphene superlattices. We show, both by means of...
journal article 2021
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Massaccesi, Nicolo (author)
In recent years the interest of the space community for electric propulsion has been rising thanks to the advantages that this technology offers. To ensure a correct integration on the spacecraft, it is important to be able to predict the behavior of the plasma plume generated by the thruster. Such plume could in fact damage spacecraft surfaces,...
master thesis 2019
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Papadopoulos, N. (author)
This thesis presents an experimental work on electronic transport in two-dimensional (2D) van der Waals systems. The variety of the physics of the chapters reflects the exploratory character of the Ph.D. study and demonstrates the versatility and the unique properties of some of the members of the vast group of van der Waals materials. In the...
doctoral thesis 2019
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Spring, Hélène (author)
In this study, ultrathin films of the itinerant 4d ferromagnet SrRuO3 were epitaxially deposited on SrTiO3 and capped with a thin LaAlO3 layer. Top gates and a dielectric layer were patterned onto contacted films and magnetotransport properties were characterized at low temperatures as a function of top gate voltage. A particular focus was...
master thesis 2019
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Istas, Mathieu (author), Groth, Christoph (author), Akhmerov, A.R. (author), Wimmer, M.T. (author), Waintal, Xavier (author)
We propose a robust and efficient algorithm for computing bound states of infinite tight-binding systems that are made up of a finite scattering region connected to semi-infinite leads. Our method uses wave matching in close analogy to the approaches used to obtain propagating states and scattering matrices. We show that our algorithm is robust...
journal article 2018
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Nichele, Fabrizio (author), Suominen, Henri J. (author), Kjaergaard, Morten (author), Marcus, Charles M. (author), Sajadi, Ebrahim (author), Folk, Joshua A. (author), Qu, F. (author), Beukman, A.J.A. (author), de Vries, F.K. (author), van Veen, J. (author), Nadj-Perge, S. (author), Kouwenhoven, Leo P. (author)
We present transport and scanning SQUID measurements on InAs/GaSb double quantum wells, a system predicted to be a two-dimensional topological insulator. Top and back gates allow independent control of density and band offset, allowing tuning from the trivial to the topological regime. In the trivial regime, bulk conductivity is quenched but...
journal article 2016
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Kalgreadis, A. (author)
Magnetic levitation actuation has proven to be a viable solution in many applications where high performance actuators are needed that can achieve fine manipulation and position control. Advantages of magnetic levitation include elimination of friction, backlash, vibrations and wear of components due to contact. Many such systems have been...
master thesis 2015
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Direct numerical simulations of MHD turbulence with and without uniform magnetic field are carried out to study the Hall effects on scale-hierarchy in MHD turbulence. It is observed that vortex and current sheets are filamented either by the Kelvin- Helmholtz instability or magnetic reconnection in case of Hall MHD turbulence, while the...
conference paper 2015
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Vlietstra, N. (author), Shan, J. (author), Castel, V. (author), Youssef, J.B. (author), Bauer, G.E.W. (author), Van Wees, B.J. (author)
The effective field torque of an yttrium-iron-garnet (YIG) film on the spin accumulation in an attached platinum (Pt) film is measured by the spin-Hall magnetoresistance (SMR). As a result, the magnetization direction of a ferromagnetic insulating layer can be measured electrically. Experimental transverse and longitudinal resistances are well...
journal article 2013
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Chiba, T. (author), Bauer, G.E.W. (author), Takahashi, S. (author)
We theoretically study the operation of a 4-terminal device consisting of two lateral thin-film spin valves that are coupled by a magnetic insulator such as yttrium iron garnet via the spin transfer torque. By magnetoelectronic circuit theory we calculate the current voltage characteristics and find negative differential resistance and...
journal article 2013
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Uchida, K. (author), Ota, T. (author), Adachi, H. (author), Xiao, J. (author), Nonaka, T. (author), Kajiwara, Y. (author), Bauer, G.E.W. (author), Maekawa, S. (author), Saitoh, E. (author)
The spin-Seebeck effect (SSE) in ferromagnetic metals and insulators has been investigated systematically by means of the inverse spin-Hall effect (ISHE) in paramagnetic metals. The SSE generates a spin voltage as a result of a temperature gradient in a ferromagnet, which injects a spin current into an attached paramagnetic metal. In the...
journal article 2012
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