Results 121 to 130 of about 9,673 (258)
In this paper, the partitioned rotor flux switching permanent magnet machine with ferrite permanent magnet is proposed. By the adoption of the partitioned rotor configuration, the stator flux leakage is eliminated and the permanent magnet utilization is ...
Deyang Fan +4 more
doaj +1 more source
Demagnetization signatures of lunar impact craters
We investigate the crustal magnetic signatures of lunar craters using Lunar Prospector (LP) electron reflectometer data. Craters of all ages often have associated magnetic lows, showing that crustal fields were present even in pre-Nectarian times (≳3.9 ...
Halekas, J. S.
core +1 more source
XAHRM‐Lab First Results and πXRF First View of UFe4Al8 and UFe10Si2
ABSTRACT Following the installation of the Laboratory for the Characterization and Speciation of Aerosols (LCEA) in 2008, and the confirmation of High Resolution Energy Dispersive Spectrometry (HiREDS) as a much promising development for X‐ray Emission Spectrometry in general and Particle Induced X‐ray Emission (PIXE) in particular, the installation of
M. A. Reis +3 more
wiley +1 more source
Three-stage ultrafast demagnetization dynamics in a monolayer ferromagnet
Intense laser pulses can be used to demagnetize a magnetic material on an extremely short timescale. While this ultrafast demagnetization offers the potential for new magneto-optical devices, it poses challenges in capturing coupled spin-electron and ...
Na Wu +4 more
doaj +1 more source
Theory of laser-induced demagnetization at high temperatures
Laser-induced demagnetization is theoretically studied by explicitly taking into account interactions among electrons, spins, and lattice. Assuming that the demagnetization processes take place during the thermalization of the subsystems, the temperature
Zhang, S. +3 more
core +1 more source
Abstract Constraining peak temperature during seismic slip is essential for quantifying earthquake energy budgets and fault weakening. Rock magnetic methods provide a sensitive means of estimating shear‐induced coseismic temperature rise; however, the role of fluids in friction‐induced magnetic alterations remains poorly constrained.
Qiang Fu +6 more
wiley +1 more source
Abstract The southeastern Tibetan Plateau has undergone complex deformation due to the India‐Eurasia collision. Although late‐stage internal rotations are documented in the Lanping‐Simao Terrane to the south, it remains unclear whether similar processes have affected the north.
Wanlong Xu +11 more
wiley +1 more source
Demagnetization Procedure for the MBN Magnets
Results from demagnetization tests of an MBN magnet are reported here. Following a "texbook" demagnetization procedure where alternating polarity current settings from saturation (1500A) down to 1% of this (15A) are applied, a remnant field of the order ...
Efthymiopoulos, I, Dutour, J, Cornuet, D
core
Abstract The North Qiangtang Block occupies a pivotal position within the eastern Tethyan realm, and its paleogeographic reconstruction is critical for constraining Tethyan geometry and evolution. However, its Late Paleozoic paleogeography and Paleo‐Tethyan Ocean–continent configuration remain controversial due to limited reliable age‐constrained ...
Jiahui Zhang +12 more
wiley +1 more source
Ultrafast spin transport as key to femtosecond demagnetization
Irradiating a ferromagnet with a femtosecond laser pulse is known to induce an ultrafast demagnetization within a few hundred femtoseconds. Here we demonstrate that direct laser irradiation is in fact not essential for ultrafast demagnetization, and that
Mitzner, Rolf (Prof. Dr.) +19 more
core +1 more source

