Buscar
Mostrando ítems 41-50 de 10660
Effects of magnetic field gradients on the aggregation dynamics of colloidal magnetic nanoparticles
(2015)
We have used low-field 1H nuclear-magnetic resonance (NMR) spectroscopy and molecular dynamics (MD) to investigate the aggregation dynamics of magnetic particles in ionic ferrofluids (IFFs) in the presence of magnetic field ...
Evidence and relevance of spatially chaotic magnetic field lines in MCF devices
(IOP Publishing, 2017-03-31)
Numerical evidence for the existence of spatially chaotic magnetic field lines about the collapse phase of tokamak sawteeth with incomplete reconnection is presented. This uses the results of<br />extensive test particle ...
By‐dependent prompt penetrating electric fields at the magnetic equator
(American Geophysical Union, 2002-04-13)
We propose a new type of prompt penetrating electric field effect which seems to be related to the y‐component of the interplanetary magnetic field and the NBZ current system. We report an equatorial electric field pattern ...
Primordial magnetic helicity from stochastic electric currents
(American Physical Society, 2014-04)
We study the possibility that primordial magnetic fields generated in the transition between inflation and reheating posses magnetic helicity, HM. The fields are induced by stochastic currents of scalar charged particles ...
Electronic structure and magnetic properties of FeWO 4 nanocrystals synthesized by the microwave-hydrothermal method
(2012-11-01)
This communication reports that FeWO 4 nanocrystals were successfully synthesized by the microwave-hydrothermal method at 443 K for 1 h. The structure and shape of these nanocrystals were characterized by X-ray diffraction, ...
Electronic structure and magnetic properties of FeWO 4 nanocrystals synthesized by the microwave-hydrothermal method
(2012-11-01)
This communication reports that FeWO 4 nanocrystals were successfully synthesized by the microwave-hydrothermal method at 443 K for 1 h. The structure and shape of these nanocrystals were characterized by X-ray diffraction, ...
A test stand to measure the magnetization work of magnetocaloric materials
(Revista De Saude Publica, 2016)
The experimental apparatus presented in this study is capable of precisely measuring the magnetic force produced by a permanent magnets assembly over a magnetocaluric material at a regulated temperature. This data is then ...