313 citations · 991 across the 47 of their papers we have counts for
19 papers · 1 filter
Detection of magnetic impurities using electron vortex beams
Yan Wang, Chenglong Jia, Pengming Zhang
Electron microscopy stands out as electron waves providing higher spatial resolving power compared to their optical counterpart. Here we investigate theoretically the interaction o…
Nonreciprocal Emergence of Hybridized Magnons in magnetic thin Films
Wenjie Song, Xiansi Wang, Chenglong Jia +4
We investigate the transfer and control of nonreciprocity through magnons themselves in permalloy thin films deposited on surface oxide silicon substrate. Evidences of nonreciproca…
Twisting and tweezing the spin wave: on vortices, skyrmions, helical waves, and the magnonic spiral phase plate
Chenglong Jia, Decheng Ma, Alexander F. Schäffer +1
Spin waves are the low-energy excitations of magnetically ordered materials. They are key elements in the stability analysis of the ordered phase and have a wealth of technological…
Non-destructive Ultrafast Steering of Magnetic Vortex by Terahertz Pulses
Dongxing Yu, Jiyong Kang, Jamal Berakdar +1
Electric control of magnetic vortex dynamics in a reproducible way and on an ultrafast time scale is key element in the quest for efficient spintronic devices with low-energy consu…
Thermally assisted Skyrmion drag in a nonuniform electric field
Xi-guang Wang, L. Chotorlishvili, Guang-hua Guo +2
Magnetic skyrmions are topologically protected excitations of the magnetization vector field with promising applications in spintronics and spin-caloritronics, particularly due to…
Time-resolved quantum spin transport through an Aharonov-Casher ring
Can Li, Yaojin Li, Dongxing Yu +1
After obtaining an exact analytical time-varying solution for the Aharonov-Casher conducting ring embedded in a textured static/dynamic electric field, we investigate the spin-reso…
One dimensional Cherenkov processes in ferromagnetic insulator
Tongli Wei, YaoJin Li, DeCheng Ma +1
One dimensional Cherenkov processes in ferromagnetic isolators are studied with perturbation theory under the constraint condition of conservation of energy and momentum. It is sho…
Topological insulator in a helicoidal magnetization field
S. Stagraczynski, L. Chotorlishvili, V. K. Dugaev +4
A key feature of topological insulators is the robustness of the electron energy spectrum. At a surface of a topological insulator, Dirac point is protected by the characteristic s…
Ultrafast transient dynamics in composite multiferroics
Chenglong Jia, Ning Zhang, Alexander Sukhov +1
We investigate theoretically the dynamic multiferroic response of coupled ferroelectric/ferromagnetic composites upon excitation by a photo-induced acoustic strain pulse. Two magne…
Chargeless spin current for switching and coupling of domain walls in magnetic nanowires
Chenglong Jia, Jamal Berakdar
The demonstration of the generation and control of a pure spin current (without net charge flow) by electric fields and/or temperature gradient has been an essential leap in the qu…
Piezoelectric control of the magnetic anisotropy via interface strain coupling in a composite multiferroic structure
Chenglong Jia, Alexander Sukhov, Paul P. Horley +1
We investigate theoretically the magnetic dynamics in a ferroelectric/ferromagnetic heterostructure coupled via strain-mediated magnetoelectric interaction. We predict an electric…
Anisotropic thermoelectric effect in helimagnetic tunnel junctions
Chenglong Jia, Jamal Berakdar
Thermoelectric transport across normal-metal/helical-multiferroic/ferromagnetic heterojunctions is theoretically investigated. We find a anisotropic charge and spin thermopower wit…
Finite-size effects on the magnetoelectric response of field-driven ferroelectric/ferromagnetic chains
Chenglong Jia, Alexander Sukhov, Paul P. Horley +1
We study theoretically the coupled multiferroic dynamics of one-dimensional ferroelectric/ferromagnet chains driven by harmonic magnetic and electric fields as a function of the ch…
Thermoelectric effect of multiferroic oxide interfaces
Chenglong Jia, Jamal Berakdar
We investigate the thermoelectric properties of electrons at the interface of oxide heterostructure and in the presence of a multiferroic oxide with spiral spin order. We find ther…
Magnetic dynamics driven by the spin-current generated via spin-Seebeck effect
Chenglong Jia, Jamal Berakdar
We consider the spin-current driven dynamics of a magnetic nanostructure in a conductive magnetic wire under a heat gradient in an open circuit, spin Seebeck effect geometry. It is…
Magnetotransport and spin dynamics in an electron gas formed at oxide interfaces
Chenglong Jia, Jamal Berakdar
We investigate the spin-dependent transport properties of a two-dimensional electron gas formed at oxides' interface in the presence of a magnetic field. We consider several scenar…
Fast optical control of spin dynamics in a quantum wire
Zhen-Gang Zhu, Cheng-Long Jia, Jamal Berakdar
The spin dynamics in a quantum wire with a Rashba spin orbit interaction (SOI) is shown to be controllable via sub-picosecond electromagnetic pulses shaped appropriately. If the li…
Tunneling Anisotropic Magnetoresistance of Helimagnet Tunnel Junctions
Chenglong Jia, Jamal Berakdar
We theoretically investigate the angular and spin dependent transport in normal-metal/helical-multiferroic/ferromagnetic heterojunctions. We find a tunneling anisotropic magnetores…
Electrically controlled persistent spin currents at the interface of multiferroic oxides
Chenglong Jia, Jamal Berakdar
We predict the appearance of a persistent spin current in a two-dimensional electron gas formed at the interface of multiferroic oxides with a transverse helical magnetic order. No…