Results 21 to 30 of about 364,262 (294)

Magnetic field modulation using a superconductive coil

Journal of Physics E: Scientific Instruments, 1976
A simple system is described in which a superconductive coil is used to produce an oscillating magnetic field of amplitude 0.04 T for field modulation of a steady background of up to 8 T. The performance of the AC modulating coil at frequencies below 16 Hz is presented and a quantitative explanation of its behaviour is given.
Hudson, P, Ramage, J, Jones, H
openaire   +2 more sources

Magnetotransport in a spatially modulated magnetic field [PDF]

Brazilian Journal of Physics, 1999
We have measured the Shubnikov de Haas (SdH) oscillations of a nonplanar two-dimensional electron gas (2DEG) fabricated by overgrowth of a GaAs/AlGaAs heterojunction on a pre-patterned substrate. When placed in a uniform external magnetic field B, the field normal to the nonplanar 2DEG is spatially modulated, and electrons experience a nonuniform ...
Gusev, G.M., Quivy, A. A., Leite, J.R., Bykov, A. A., Moshegov, N.T., Kudryashev, V.M., Toropov, A.I., Nastaushev, Yu.V.   +7 more
openaire   +3 more sources

Magnetic effects on EHF signal BER and modulation in plasma sheaths [PDF]

AIP Advances
The combination of EHF (Extremely High Frequency) and magnetic field provides an effective method for solving communication “blackout,” but the specific impact of the magnetic field on the modulation mode of EHF signals in the plasma sheath needs further
Xiaocui Yang, Rong Chen, Zheng Chen, Kai Yuan   +3 more
doaj   +1 more source

Flux-quantum-modulated Kondo conductance in a multielectron quantum dot [PDF]

, 2002
We investigate a lateral semiconductor quantum dot with a large number of electrons in the limit of strong coupling to the leads. A Kondo effect is observed and can be tuned in a perpendicular magnetic field.
A. D. Wieck, A.L. Chudnovskiy, A.L. Yeyati, C. Fühner, C. Tejedor, D. Giuliano, D. Goldhaber-Gordon, D. Goldhaber-Gordon, D. Reuter, F. Simmel, J. Kondo, J. Nygård, J. Schmid, J. Schmid, L.I. Glazman, M. Ciorga, M. Eto, M. Keller, M. Pustilnik, M. Pustilnik, M. Pustilnik, M. Pustilnik, P.L. McEuen, P.W. Anderson, R. J. Haug, S. de Franceschi, S. Sasaki, S.M. Cronenwett, T.A. Costi, T.K. Ng, U. F. Keyser, W. Hofstetter, W.G. van der Wiel   +32 more
core   +3 more sources

Thermomagnetic convection in magnetic fluids influenced by a time‐modulated magnetic field [PDF]

PAMM, 2008
AbstractMaterial– and flow properties of magnetic fluids can be influenced by applying an external magnetic field. In this work we will particularly consider the onset of convection in magnetic fluids which is influenced by a magnetic force. In a horizontal magnetic fluid layer the force arises if a temperature gradient and an external magnetic field ...
Engler, Harald, Odenbach, Stefan
openaire   +1 more source

Modulation of laser radiation by suspension of carbon nanotubes in a magnetic liquid [PDF]

Известия Саратовского университета. Новая серия: Физика
Background and Objectives: Magnetic fluids are unique nanodispersed systems that have the properties of a magnetic material and a liquid. Although their magnetic properties are inferior to steels and ferrites, they are supermagnetic compared to most ...
Postelga, Aleksandr E., Igonin, Semyon Vladimirovich, Bochkova, Tatyana S., Nagornov, Georgy M., Skripal, Alexander Vladimirovich   +4 more
doaj   +1 more source

Evolution and optimization of a brushless doubly‐fed machine with an asymmetrical reluctance and magductance rotor

IET Renewable Power Generation, 2023
The brushless doubly‐fed machine (BDFM) utilizes an asymmetric composite rotor featuring salient pole reluctance and magductance to effectively compensate for the phase shift in space, as well as enhance magnetic field modulation effects, and is ...
Dingbang Long, Honghui Wen, Zhikang Shuai, Zhengzhou Ma   +3 more
doaj   +1 more source

Weakly Nonlinear Magnetic Convection in a Nonuniformly Rotating Electrically Conductive Medium Under the Action of Modulation of External Fields

East European Journal of Physics, 2020
In this paper we studied the weakly nonlinear stage of stationary convective instability in a nonuniformly rotating layer of an electrically conductive fluid in an axial uniform magnetic field under the influence of: a) temperature modulation of the ...
Michael I. Kopp, Anatoly V. Tur, Volodymyr V. Yanovsky   +2 more
doaj   +1 more source

High-Frequency Magnetic Field Energy Imaging of Magnetic Recording Head by Alternating Magnetic Force Microscopy (A-MFM) with Superparamagnetic Tip

Applied Sciences, 2023
Recent progress in the development of high-frequency (HF) magnetic materials and devices requires the HF imaging of magnetic field and magnetic field response with high spatial resolution.
Marina V. Makarova, Kaichi Suzuki, Hirofumi Kon, Paritosh Dubey, Hiroshi Sonobe, Toru Matsumura, Hitoshi Saito   +6 more
doaj   +1 more source

Spin torque ferromagnetic resonance with magnetic field modulation [PDF]

, 2013
We demonstrate a technique of broadband spin torque ferromagnetic resonance (ST-FMR) with magnetic field modulation for measurements of spin wave properties in magnetic nanostructures.
Barsukov, I., Chen, Y. -J., Gonçalves, A. M., Katine, J. A., Krivorotov, I. N., Yang, L.   +5 more
core   +2 more sources