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We observe the phonon-drag voltage oscillations correlating with the resistance oscillations under microwave irradiation in a two-dimensional electron gas in perpendicular magnetic field. This phenomenon is explained by the influence of…

Mesoscale and Nanoscale Physics · Physics 2015-11-25 A. D. Levin , Z. S. Momtaz , G. M. Gusev , O. E. Raichev , A. K. Bakarov

Magnetoelectric (ME) effect is recognized for its utility for low-power electronic devices.Largest ME coefficients are often associated with phase transitions in which ferroelectricity is induced by magnetic order. Unfortunately, in these…

Semiconductor quantum wells can be considered as an example of artificial atoms. Following the ideas used in the effective-mass theory, one can describe electron states in the quantum-well structure based on the Schrodinger-like equation…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 E. O. Kamenetskii , R. Shavit , M. Sigalov

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…

Materials Science · Physics 2009-11-11 Joseph J. Betouras , Gianluca Giovannetti , Jeroen van den Brink

Multiferroic composite materials, consisting of coupled ferromagnetic and piezoelectric phases, are of great importance in the drive towards creating faster, smaller and more energy efficient devices for information and communications…

The study of this theoretical work definitely adds extra four new dispersive shear-horizontal waves propagating in the transversely isotropic piezoelectromagnetic (PEM) plates of class 6 mm. In this study, the following mechanical,…

Classical Physics · Physics 2018-04-25 Aleksey Anatolievich Zakharenko

Excitation of magnons or spin-waves driven by nominally unpolarized transport currents in point contacts of normal and ferromagnetic metals is probed by irradiating the contacts with microwaves. Two characteristic dynamic effects are…

Materials Science · Physics 2009-11-13 O. P. Balkashin , V. V. Fisun , I. K. Yanson , L. Yu. Triputen , A. Konovalenko , V. Korenivski

Magnetic force microscopy (MFM) allows detection of stray magnetic fields around magnetic materials and the two-dimensional visualization of these fields. This paper presents a theoretical analysis of the oscillations of an MFM tip above a…

Applied Physics · Physics 2018-12-31 Fujio Wakaya , Kenta Oosawa , Masahiro Kajiwara , Satoshi Abo , Mikio Takai

Materials that combine magnetic and ferroelectric properties have generated increasing interest over the last few years, due to both their diverse properties and their potential utility in new types of magnetoelectric device applications.…

Materials Science · Physics 2014-11-17 Claude Ederer , Nicola A. Spaldin

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…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 X. L. Lei

Time-dependent rotational electric polarizations have been proposed to generate temporally varying magnetic moments, for example, through a combination of ferroelectric polarization and optical phonons. This phenomenon has been called…

In the first part of this work we calculate the high frequency magnetoelectric susceptibility of a simultaneously ferroelectric and canted antiferromagnetic (also know as weak ferromagnetic) thin film with magnetostrictive magnetoelectric…

Materials Science · Physics 2010-03-09 K. L. Livesey , R. L. Stamps

Transfer of angular momentum from a spin-polarized current to a ferromagnet provides an efficient means to control the dynamics of nanomagnets. A peculiar consequence of this spin-torque, the ability to induce persistent oscillations of a…

Other Condensed Matter · Physics 2015-06-25 V. S. Pribiag , I. N. Krivorotov , G. D. Fuchs , P. M. Braganca , O. Ozatay , J. C. Sankey , D. C. Ralph , R. A. Buhrman

For dipole-carrying excitations observed in a high-quality resonator, strong-coupling modes can appear as composite bosons with the spontaneous formation of quantized vortices in the condensed phase of a polariton fluid. In…

Mesoscale and Nanoscale Physics · Physics 2021-12-08 E. O. Kamenetskii

For magnetic-dipolar modes in a ferrite, components of the magnetic flux density in a helical coordinate system are dependent on both an orientation of a gyration vector and a sign of a pitch. It gives four types of helical harmonics for…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 E. O. Kamenetskii

The low energy losses in the superconducting magnetic levitation make it attractive for exciting applications in physics. Recently, superconducting magnetic levitation has been realized as novel mechanical transduction for the individual…

Quantum Physics · Physics 2022-08-08 Nabin K. Raut , Jeffery Miller , Raymond E. Chiao , Jay E. Sharping

We study magnetoresistivity oscillations in a high-mobility two-dimensional electron system subject to both microwave and dc electric fields. First, we observe that the oscillation amplitude is a periodic function of the inverse magnetic…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 A. T. Hatke , H. -S. Chiang , M. A. Zudov , L. N. Pfeiffer , K. W. West

Emerging ferroic materials may pave a new way to next-generation nanoelectronic and spintronic devices due to their interesting physical properties. Here, we systematically review unconventional ferroelectric systems, from Hf-based and…

Materials Science · Physics 2025-09-16 Hongyu Yu , Junyi Ji , Wei Luo , Xingao Gong , Hongjun Xiang

We analyze the ``ferron" excitations in order-disorder ferroelectrics by a microscopic pseudo-spin model. We demonstrate that analogous to magnons, the quanta of spin waves in magnetic materials, ferrons carry both static and oscillating…

Materials Science · Physics 2025-07-03 Ping Tang , Gerrit E. W. Bauer

We consider phase separated states in magnetic oxides (MO) thin films. We show that these states have a non-zero electric polarization. Moreover, the polarization is intimately related to a spatial distribution of magnetization in the film.…

Strongly Correlated Electrons · Physics 2019-10-09 O. G. Udalov , I. S. Beloborodov
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