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The resistivity of disordered metallic layer sandwiched by two ferromagnetic layers at low-temperature is investigated theoretically. It is shown that the magnetic field acting at the interface does not affect the classical Boltzmann…

介观与纳米尺度物理 · 物理学 2015-06-25 Gen Tatara , Hidetoshi Fukuyama

Magnetoelectric interactions in bilayers of magnetostrictive and piezoelectric phases are mediated by mechanical deformation. Here we discuss the theory and companion data for magnetoelectric (ME) coupling at electromechanical resonance…

材料科学 · 物理学 2009-11-10 M. I. Bichurin , D. A. Fillipov , V. M. Petrov , V. M. Laletsin , G. Srinivasan

Recent theoretical studies have demonstrated the possibility to excite and sustain noncollinear magnetization states in ferromagnetic nanowires. The resulting state is referred to as a spin-density wave (SDW). SDWs can be interpreted as…

介观与纳米尺度物理 · 物理学 2019-05-01 Patrick Sprenger , Mark A. Hoefer , Ezio Iacocca

We uncover a new pathway towards multiferroicity, showing how magnetism can drive ferroelectricity without relying on inversion symmetry breaking of the magnetic ordering. Our free-energy analysis demonstrates that any commensurate…

材料科学 · 物理学 2009-11-11 Joseph J. Betouras , Gianluca Giovannetti , Jeroen van den Brink

Coupling of spin-waves with electromagnetic cavity field is demonstrated in an antiferromagnet, dysprosium ferrite (DyFeO3). By measuring transmission at 0.2-0.35 THz and sweeping sample temperature, magnon-photon coupling signatures were…

介观与纳米尺度物理 · 物理学 2020-01-15 M. Bialek , A. Magrez , J. -Ph. Ansermet

It is shown that, although the major feature of the microwave-induced magnetoresistance oscillations in two-dimensional (2D) electron systems is insensitive to the behavior of the elastic scattering in the photon-assisted impurity…

介观与纳米尺度物理 · 物理学 2007-05-23 X. L. Lei

The electronic and magnetic properties of ferromagnetic doped manganites are investigated by means of model tight-binding and \textit{ab initio} self-interaction corrected local spin density approximation calculations. It is found that the…

强关联电子 · 物理学 2009-11-10 H. Zenia , G. Banach , W. M. Temmerman , G. A. Gehring

Dielectric Mie nanoresonators showing strong light-matter interaction at the nanoscale may enable new functionality in photonic devices. Recently, strong magneto-optical effects have been observed in magneto-optical nanophotonic devices due…

The collective excitations of a multiferroic material are analyzed. We show that these excitations also exhibit magnetoelectric behavior, leading to the hybridization of magnons ,oscillations of the magnetization field, and ferrons, which…

介观与纳米尺度物理 · 物理学 2024-12-23 Mario Castro , Carlos Saji , Guidobeth Saez , Patricio Vergara , Sebastian Allende , Alvaro S. Nunez

The change in the arrangement of magnetic dipole moments in a magnetic metasurface, due to the influence of an external static magnetic field, is discussed. Each meta-atom of the metasurface is composed of three identical disk-shaped…

应用物理 · 物理学 2023-10-11 Vladimir R. Tuz , Andrey B. Evlyukhin , Volodymyr I. Fesenko

The first observation of microwave magnetoelectric (ME) interactions through ferromagnetic resonance (FMR) in bilayers of single crystal ferromagnetic-piezoelectric oxides and a theoretical model for the effect are presented. An electric…

材料科学 · 物理学 2009-11-10 S. Shastry , G. Srinivasan , M. I. Bichurin , V. M. Petrov , A. S. Tatarenko

Magnomechanical devices, in which magnetic excitations couple to mechanical vibrations, have been discussed as efficient and broadband microwave signal transducers in the classical and quantum limit. We experimentally investigate the…

Ferromagnetic-ferroelectric nanocomposites are of interest for realizing strong strain mediated coupling between electric and magnetic subsystems due to high surface area-to-volume ratio. This report is on the synthesis of nickel ferrite…

材料科学 · 物理学 2017-12-27 G. Sreenivasulu , Jitao Zhang , Ru Zhang , M. Popov , V. M. Petrov , G. Srinivasan

We formulate and validate an equivalent circuit model describing mutual resistive coupling between three microwave cavity resonators interconnected via thin metallic foils. Each cavity is represented as a lumped LCR circuit, while the foils…

We examine the magnetostrictive position and momentum space distortions that occur in harmonically confined dipolar Bose and Fermi gases. Direct interactions give rise to position space magnetostriction and exchange interactions give rise…

量子气体 · 物理学 2012-08-08 D. Baillie , P. B. Blakie

In this paper, we investigate the demagnetizing effect in ferrite/PZT/ferrite magnetoelectric (ME) trilayer composites consisting of commercial PZT discs bonded by epoxy layers to Ni-Co-Zn ferrite discs made by a reactive Spark Plasma…

材料科学 · 物理学 2018-03-28 V. Loyau , A. Aubert , M. Lobue , F. Mazaleyrat

We use the state-of-the-arts density-functional-theory method to study various magnetic orders and their effects on the electronic structures of the FeSe. Our calculated results show that, for the spins of the single Fe layer, the striped…

材料科学 · 物理学 2009-05-21 Yong-Feng Li , Li-Fang Zhu , San-Dong Guo , Ye-Chuan Xu , Bang-Gui Liu

The theoretical description and experimental verification of resonant phenomena in electromagnetic fields generated in the near zone of all-dielectric rectangular thin sub wavelength frames, subjected to an incident microwave, is…

应用物理 · 物理学 2024-10-08 Aleksandr Shvartsburg , Sergey Artekha

In the quasi two-dimensional GaAs/AlGaAs system, we investigate the effect of rotating \textit{in-situ} the electric field of linearly polarized microwaves relative to the current, on the microwave-radiation-induced magneto-resistance…

介观与纳米尺度物理 · 物理学 2012-09-25 R. G. Mani , A. N. Ramanayaka , W. Wegscheider

Electromagnetic response of a finite-width two-dimensional electron stripe is theoretically studied. It is shown that retardation and radiative effects substantially modify the absorption spectrum of the system at microwave frequencies,…

介观与纳米尺度物理 · 物理学 2009-11-10 S. A. Mikhailov , N. A. Savostianova
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