Results 41 to 50 of about 18,524,351 (243)

Electrodeposition and Properties of Copper Layer on NdFeB Device

Cailiao gongcheng, 2017
To decrease the impact of the regular Ni/Cu/Ni coating on the magnetic performance of sintered NdFeB device, alkaline system of HEDP complexing agent was applied to directly electro-deposit copper layer on NdFeB matrix, then nickel layer was ...
LI Yue, ZHU Li-qun, LI Wei-ping, LIU Hui-cong, NAN Hai-yang   +4 more
doaj   +1 more source

Current‐Driven Chirality Detection of Magnetic Textures in Cylindrical Nanowires

Advanced Functional Materials, EarlyView.
Current‐assisted anisotropic magnetoresistance measurements in individual Ni/Au cylindrical nanowires enable detection of vortex chirality near Au segments and selective magnetic reversal in defined wire sections at magnetic fields lower than the propagation field. This approach provides a simple, cost‐effective, and non‐invasive method for probing and
Javier Rial, Alejandro Rivelles, Sofia Caspani, Célia T. Sousa, Rodrigo Guedas, José Luis Prieto, Mariana P. Proença   +6 more
wiley   +1 more source

Theory of Femtosecond Laser-Induced Demagnetization

, 2014
Using ab initio calculations we computed the ultrafast demagnetization that can be achieved by Elliott-Yafet electron-phonon spin-flip scatterings in laser-excited ferromagnets.
Carva, Karel,, Battiato, Marco, Legut, Dominik, Carva, Karel, Marco Battiato, Battiato, Marco,, Oppeneer, Peter M., Peter M. Oppeneer, Oppeneer, Peter M.,, Karel Carva, Dominik Legut   +10 more
core   +1 more source

Optimal Design of a High-Efficiency Permanent Magnet-Assisted Synchronous Reluctance Motor Considering Anti-Demagnetization Performance

IEEE transactions on magnetics
To address the issues of low efficiency and susceptibility to demagnetization in ferrite permanent magnets for permanent magnet-assisted synchronous reluctance motors (PMaSynRMs), an optimal design method that comprehensively considers ...
Xiao Liu, Wei Zhao, Meng Lu, Dong-Pei Lu
semanticscholar   +2 more sources

A Miniaturized Autonomous Thermomagnetic Generator

Advanced Functional Materials, EarlyView.
Micro, autonomous and high power thermomagnetic generator operating between a heat dissipator and a processor. ABSTRACT Thermomagnetic generators (TMG) are promising devices for converting low‐grade waste heat into electricity. Self‐actuation using permanent magnets is the key to autonomy.
Morgan Almanza, Doan Nguyen Ba, Nesrine Belkadi, Erika Fontana, Jean‐Eudes Duvauchelle, Sukhendu Sadhukhan, Loïc Becerra, Thibaut Devillers, Massimiliano Marangolo, Fabien Parrain, Nora M. Dempsey, Martino LoBue   +11 more
wiley   +1 more source

Demagnetization data and paleomagnetic directions IODP Site U1438

, 2022
Demagnetization data produced by AF demagnetization of archive half core sections from IODP Site U1438 (Holes B, D, and E). The format is in LDGO which can be viewed using the MacPaleomag software (written by Geff Gee). The excel files are the individual
Marco Maffione (11572117), Antony Morris (10060582)   +1 more
core   +1 more source

Fault-Tolerant Redesign of a Quad-Winding PMSM to Prevent Irreversible Partial Demagnetization

Actuators
This paper proposes a fault-tolerant optimal design method for quad-winding permanent magnet synchronous motors (PMSMs) considering irreversible demagnetization under fault conditions.
Min-Seong Jo, Young-Joon Song, Kyung-il Woo, Kyu-Yun Hwang   +3 more
doaj   +1 more source

Outer rotor eddy current heater for wind turbines

Renewable Energy and Environmental Sustainability, 2016
This paper proposes a conversion system of wind energy into thermal energy by means of an outer rotor permanent magnet eddy current heater. The main advantages of this device are the following: compactness, easy temperature control by water flow rate ...
Tudorache Tiberiu, Melcescu Leonard
doaj   +1 more source

Anti‐Inflammatory and Neuroactive Effects of Polymer‐Coated Iron Oxide Nanoparticles Functionalized With Interleukin 4 for Spinal Cord Injury

Advanced Healthcare Materials, EarlyView.
Polymer‐coated IONPs functionalized with IL‐4 display respective neuroactive and anti‐inflammatory actions on neural progenitor cells and macrophages/microglia in vitro. When examined chronically in a rat experimental model of spinal cord injury, rGO scaffolds carrying these nanosystems adequately integrate into the lesion, significantly reduce ...
Julia Martínez‐Ramírez, Paloma Lozano‐Picazo, María de Lamo‐Atencia, Andrea Ferreras, Esther Benayas‐Martín, Elena Fernández‐López, Marina Sánchez‐Petidier, Verónica Barranco‐Maresca, Víctor Caz, Anne des Rieux, Juliana M. Rosa, María del Puerto Morales, María C. Serrano   +12 more
wiley   +1 more source

Spin Transport Across Interfaces With the Non‐Collinear Antiferromagnet Mn3Sn

Advanced Materials, EarlyView.
We study spin transport with Mn3Sn|Metal${\rm Mn}_3{\rm Sn}\vert{\rm Metal}$ heterostructures. For Mn3Sn|Pt${\rm Mn}_3{\rm Sn}\vert{\rm Pt}$ heterostructures, ultrafast spin current generation by optical pumping of Mn3Sn${\rm Mn}_3{\rm Sn}$ is explored, while for Mn3Sn|NiFe${\rm Mn}_3{\rm Sn}\vert{\rm NiFe}$ heterostructures, we probe the spin–charge ...
Paul A. Marschall, Wolfgang Hoppe, Prajwal Rigvedi, Börge Göbel, Franziska Ziolkowski, Samir Lounis, Banabir Pal, Stuart S. P. Parkin, Georg Woltersdorf   +8 more
wiley   +1 more source