English
Related papers

Related papers: Active Magnetoelectric Control of Terahertz Spin C…

200 papers

The ability to manipulate the electric-field vector of broadband terahertz waves is essential for applications of terahertz technologies in many areas, and can open up new possibilities for nonlinear terahertz spectroscopy and coherent…

Magnetic ferroelectrics or multiferroics, which are currently extensively explored, may provide a good arena to realize a novel magnetoelectric function. Here we demonstrate the genuine electric control of the spiral magnetic structure in…

Strongly Correlated Electrons · Physics 2009-11-13 Y. Yamasaki , H. Sagayama , T. Goto , M. Matsuura , K. Hirota , T. Arima , Y. Tokura

All-electrical and programmable manipulations of ferromagnetic bits are highly pursued for the aim of high integration and low energy consumption in modern information technology. Methods based on the spin-orbit torque switching in heavy…

The efficient excitation of spin waves is a key challenge in the realization of magnonic devices. We demonstrate the current-driven generation of spin waves in antiferromagnetically coupled magnetic vortices. We employ time-resolved…

Mesoscale and Nanoscale Physics · Physics 2024-02-27 Sabri Koraltan , Katrin Schultheiss , Florian Bruckner , Markus Weigand , Claas Abert , Dieter Suess , Sebastian Wintz

Organic spintronic devices have been appealing because of the long spin life time of the charge carriers in the organic materials and their low cost, flexibility and chemical diversity. In previous studies, the control of resistance of…

Spintronic heterostructures are considered to be the new generation THz sources for their capability in producing high power and broadband THz radiation. Here, we provide a brief review on the state-of-the-art in this field. The optically…

Applied Physics · Physics 2021-05-19 Sandeep Kumar , Anand Nivedan , Arvind Singh , Sunil Kumar

Tools for controlling electrically the motion of magnetic skyrmions are important elements towards their use in spintronic devices. Here, we propose and demonstrate the transport of skyrmions via GHz and THz electric pulses. The method…

Strongly Correlated Electrons · Physics 2023-03-20 Xi-guang Wang , Guang-hua Guo , V. K. Dugaev , J. Barnaś , J. Berakdar , S. S. P. Parkin , A. Ernst , L. Chotorlishvili

In spintronic terahertz emitters, THz radiation is generated by exciting an ultrafast spin current through femtosecond laser excitation of a ferromagnetic-nonmagnetic metallic heterostructure. Although an extensive phenomenological…

Materials Science · Physics 2024-11-22 Francesco Foggetti , Peter M. Oppeneer

An ultra-broadband THz emitter covering a wide range of frequencies from 0.1 to 10 THz is highly desired for spectroscopy applications. So far, spintronic THz emitters have been proven as one class of efficient THz sources with a broadband…

Applied Physics · Physics 2018-12-10 Mengji Chen , Yang Wu , Yang Liu , Kyusup Lee , Xuepeng Qiu , Pan He , Jiawei Yu , Hyunsoo Yang

The ability to drive a spin system to state far from the equilibrium is indispensable for investigating spin structures of antiferromagnets and their functional nonlinearities for spintronics. While optical methods have been considered for…

All-electrical control of a dynamic magnetoelectric effect is demonstrated in a classical multiferroic manganite DyMnO3, a material containing coupled antiferromagnetic and ferroelectric orders. Due to intrinsic magnetoelectric coupling…

Strongly Correlated Electrons · Physics 2017-04-06 A. Shuvaev , V. Dziom , Anna Pimenov , M. Schiebl , A. A. Mukhin , A. Komarek , T. Finger , M. Braden , A. Pimenov

The recent boost in data transfer rates puts a daring strain on information technology. Sustaining such a growth rate requires the development of sources, detectors and systems working in the so-called TeraHertz (THz) gap covering the…

Mesoscale and Nanoscale Physics · Physics 2022-06-15 O. Ly , A. Manchon

High-spin paramagnetic manganese defects in polar piezoelectric zinc oxide exhibit a simple almost axial anisotropy and phase coherence times of the order of a millisecond at low temperatures. The anisotropy energy is tunable using an…

Materials Science · Physics 2013-01-11 Richard E George , James P Edwards , Arzhang Ardavan

Electric-field control of magnetism via inverse magnetostrictive effect is an efficient path towards improving energy-efficient storage and sensing devices based on giant magnetoresistance effect. In this letter, we report on lateral…

Materials Science · Physics 2023-02-16 Vadym Iurchuk , Julien Bran , Manuel Acosta , Bohdan Kundys

Electric field control of the magnetic state in ferrimagnets holds great promise for developing spintronic devices due to low power consumption. Here, we demonstrate a non-volatile reversal of perpendicular net magnetization in a…

The optical manipulation of magnetism enabled by rare earth-transition metal ferrimagnets holds the promise of ultrafast, energy efficient spintronic technologies. This work investigates laser-induced picosecond spin currents generated by…

We describe a method of controlling the spin wave spectra dynamically in a uniform nanostripe waveguide through spin-polarized currents. A stable periodic magnetization structure is observed when the current flows vertically through the…

Materials Science · Physics 2015-06-22 Qi Wang , Huaiwu Zhang , Xiaoli Tang , Hans Fangohr , Feiming Bai , Zhiyong Zhong

Magnetoelectric coupling has been a trending research topic in both organic and inorganic materials and hybrids. The concept of controlling magnetism using an electric field is particularly appealing in energy efficient applications. In…

Materials Science · Physics 2019-11-26 Xiaoshan Xu

Magnetic order parameters in altermagnets can couple to quantized lattice vibration via both piezomagnetic and magnetoelastic effects, leading to the renormalization of phonon dispersion. Here, we demonstrate photo-induced dynamic frequency…

An antiferromagnet emits spin currents when time-reversal symmetry is broken. This is typically achieved by applying an external magnetic field below and above the spin-flop transition or by optical pumping. In this work we apply optical…