Results 161 to 170 of about 1,763,300 (351)
Safe MR scanning of patients with metallic middle ear implants
, 2006 Objective: To determine the MR scanning risk to patients with otologic implants. Design: We used a repeated-measures study with an additional control measure to assess two aspects of risk; i) movement of the device in the magnetic field, and ii ...
Head, K. +5 more
core +1 more source
Advanced Functional Materials, EarlyView.Multianalyte, real‐time monitoring of bioprinted scaffolds remains challenging. Phosphorescence‐lifetime–based, optically responsive microparticles are embedded in diverse printable hydrogels (κ‐carrageenan, GelMA, PEGDA) to form biomaterial inks that report oxygen, glucose, lactate, and temperature.
Waqas Saleem +11 more
wiley +1 more source
Measurement of the Magnetic Field
, 2012 This bachelor thesis deals with the measurement of the magnetic field and sensors, which can scan the magnetic field. In this work is explained the principle of Hall probes and three types of magnetic field sensors based on magnetoresistive principles ...
Šimberský, Michal
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Ferroelectricity in Antiferromagnetic Wurtzite Nitrides
Advanced Functional Materials, EarlyView.We establish MnSiN2${\rm MnSiN}_2$ and MnGeN2${\rm MnGeN}_2$ as aristotypes of a new multiferroic wurtzite family that simultaneously exhibits ferroelectricity and antiferromagnetism with altermagnetic spin splitting. By strategically substituting alkaline‐earth metals, we predict new materials with coexisting switchable polarization, spin texture, and
Steven M. Baksa +3 more
wiley +1 more source
Advanced Functional Materials, EarlyView.Liquid‐phase transmission electron microscopy enables direct observation of nucleation and growth processes in solution. This review is dedicated to the remembrance of Helmut Cölfen and highlights recent studies on complex materials—oxides, biominerals, organic–inorganic crystals—which were central to his research activity. It summarizes key milestones,
Charles Sidhoum +5 more
wiley +1 more source
VSSI-TBM: A variational sparse source imaging method based on time basis matrix
NeuroImageSource imaging algorithms have been widely used to localize functional and lesion areas. Brain source reconstruction is limited by complex experimental environments (noise interference, distributed brain activity, acquisition systems, etc.), and range ...
Tianyu Gao +7 more
doaj +1 more source
Single-Shot Magnetic Field Measurements for MPI
Magnetic field measurements play a central role in Magnetic Particle Imaging (MPI). However, their determination is often a time-consuming process that involves sequentially scanning a given volume at predefined locations with a single magnetic field ...
Hackelberg, Niklas +6 more
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Desenvolvimento de um sistema de detecção e avaliação de faltas em geradores síncronos por meio do campo magnético externo [PDF]
, 2014 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Elétrica, Florianópolis, 2014.Esta tese apresenta o desenvolvido de um equipamento e de uma metodologia para detecção e análise de ...
Rigoni, Mauricio
core
Microwave dielectric resonator device concept for surface impedance measurement of rotating sample
, 2022 The surface impedance of superconductors in function of intense (~10 T) static magnetic field at varying orientations with respect to the crystallographic axes is of large interest for both characterization purposes, in view of the material engineering ...
Kostiantyn Torokhtii +3 more
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Advanced Functional Materials, EarlyView.Moiré band engineering in graphene/hexagonal boron nitride–based superlattices unlocks van Hove singularities (VHSs) for terahertz (THz) optoelectronics. Tuning the Fermi level near these singularities, associated with secondary neutrality points (SNPs), enhances the photothermoelectric response.
Leonid Elesin +16 more
wiley +1 more source