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Related papers: Strain-induced frequency pulling in CoFeB/Cu/Py do…

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We report on the observation of microwave-induced resistance oscillations associated with the fractional ratio n/m of the microwave irradiation frequency to the cyclotron frequency for m up to 8 in a two-dimensional electron system with…

Mesoscale and Nanoscale Physics · Physics 2009-07-31 S. Wiedmann , G. M. Gusev , O. E. Raichev , A. K. Bakarov , J. C. Portal

We investigate the impact of spin torque and spin pumping on the surface magnon polariton dispersion in a antiferromagnetic insulator-semiconductor heterostructure. In the bilayer system, the surface magnon polaritons conventionally couple…

Mesoscale and Nanoscale Physics · Physics 2024-06-27 Vemund Falch , Jeroen Danon , Alireza Qaiumzadeh , Arne Brataas

Cilia and flagella are highly conserved slender organelles that exhibit a variety of rhythmic beating patterns from non-planar cone-like motions to planar wave-like deformations. Although their internal structure, composed of a…

Fluid Dynamics · Physics 2018-11-27 Feng Ling , Hanliang Guo , Eva Kanso

We investigate the formation and dynamics of spin textures in antiferromagnetic insulators adjacent to a heavy-metal substrate with strong spin-orbit interactions. Exchange coupling to conduction electrons engenders an effective anisotropy,…

Mesoscale and Nanoscale Physics · Physics 2017-05-17 Ricardo Zarzuela , Yaroslav Tserkovnyak

Epitaxial strain provides a powerful, non-chemical route to tune the properties of functional materials by manipulating the coupling between spin, charge, and lattice degrees of freedom. Using density functional theory (DFT) calculations…

Strongly Correlated Electrons · Physics 2025-12-19 Sudip Mandal , Mihir Ranjan Sahoo , Kalpataru Pradhan

We investigate different approaches towards a nonvolatile switching of the remanent magnetization in single-crystalline ferromagnets at room temperature via elastic strain using ferromagnetic thin film/piezoelectric actuator hybrids. The…

Microwave-induced nonlinear magnetoresistance in a dc-driven two-dimensional electron system is examined using a multi-photon-assisted transport scheme direct controlled by the current. It is shown that near the 2nd subharmonic of the…

Mesoscale and Nanoscale Physics · Physics 2009-03-12 X. L. Lei

We theoretically study Landau quantization of itinerant Majorana quasiparticles induced by lattice strain in a Kitaev spin liquid with Majorana Fermi surfaces. We consider the isotropic spin-1/2 Kitaev model on the honeycomb lattice with a…

Strongly Correlated Electrons · Physics 2025-12-16 Takayuki Yokoyama , Yasuhiro Tada

We report spatially resolved tunneling spectroscopic evidence for field-induced microscopic orders in a high-$T_c$ superconductor $\rm YBa_2Cu_3O_{7-\delta}$. The spectral characteristics inside vortices reveal a pseudogap ($V_{\rm CO}$)…

Superconductivity · Physics 2009-08-26 A. D. Beyer , M. S. Grinolds , M. L. Teague , S. Tajima , N. -C. Yeh

We show that an electric field can induce nonreciprocal spin wave dispersion in magnetic insulators with negligible spin-orbit coupling. The electric field controls the direction and magnitude of nonreciprocity through a nonlinear…

Strongly Correlated Electrons · Physics 2025-07-15 Xiao-Hui Li , Yuan-Ming Lu , Yuan Wan

Two-dimensional structures that exhibit intriguing magnetic phenomena such as perpendicular magnetic anisotropy and switchable magnetization are of great interests in spintronics research. Herein, the density-functional theory studies…

Computational Physics · Physics 2018-04-04 P. Taivansaikhan , T. Tsevelmaa , S. H. Rhim , S. C. Hong , D. Odkhuu

We develop the theory of magnetic domain wall motion in coupled double-layer systems where electrons can hop between the layers giving rise to an antiferromagnetic coupling. We demonstrate that the force from the interlayer coupling drives…

Mesoscale and Nanoscale Physics · Physics 2015-01-26 Henri Saarikoski , Hiroshi Kohno , Christopher H. Marrows , Gen Tatara

We investigate the dynamics of Fe adatoms and dimers deposited on the Cu(111) metallic surface in the presence of spin-orbit coupling, within time-dependent density functional theory. The \textit{ab initio} results provide…

Mesoscale and Nanoscale Physics · Physics 2017-10-03 Filipe S. M. Guimarães , Manuel dos Santos Dias , Benedikt Schweflinghaus , Samir Lounis

The paper studies high-frequency permeability of the composite materials consisting of hollow ferromagnetic particles embedded into the non-magnetic media. We model the ferromagnetic particles in composite by spherical shells: the thickness…

Mesoscale and Nanoscale Physics · Physics 2025-09-04 A. O. Sboychakov

The non-linear parameters of spin-torque oscillators based on a synthetic ferrimagnet free layer (two coupled layers) are computed. The analytical expressions are compared to macrospin simulations in the case of a synthetic ferrimagnet…

Other Condensed Matter · Physics 2017-05-04 Bertrand Lacoste , Miguel Romera , Ursula Ebels , Liliana Buda-Prejbeanu

Current-induced magnetic excitations in Cu/Co/Cu single layer nanopillars (~50 nm in diameter) have been studied experimentally as a function of Co layer thickness at low temperatures for large applied fields perpendicular to the layers.…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 B. Oezyilmaz , A. D. Kent , J. Z. Sun , M. J. Rooks , R. H. Koch

Most of 2D superconductors are of type II, i.e., they are penetrated by quantized vortices when exposed to out-of-plane magnetic fields. In presence of a supercurrent, a Lorentz-like force acts on the vortices, leading to drift and…

We have carried out the ESR study of the multiferroic triangular antiferromagnet CuCrO2 in the presence of an electric field. The shift of ESR spectra by the electric field was observed; the observed value of the shift exceeds that one in…

Strongly Correlated Electrons · Physics 2018-03-08 S. K. Gotovko , T. A. Soldatov , L. E. Svistov , H. D. Zhou

The phase-locked loop (PLL) used in the doubly fed induction generator (DFIG) can cause frequency coupling phenomena, which will give negative resistance characteristics ofthe DFIG at low frequency, resulting in stability issues under weak…

Systems and Control · Electrical Eng. & Systems 2023-07-20 Xiaoling Xiong , Bochen Luo , Longcan Li , Ziming Sun , Frede Blaabjerg

Magnetostriction, mechanical-to-magnetic or magnetic-to-mechanical response, plays a pivotal role in magneto-mechanical systems. Here, we propose and experimentally demonstrate a magneto-mechanical frequency comb via the three-wave mixing…

Strongly Correlated Electrons · Physics 2025-05-30 Guanqi Ye , Ruitong Sun , Junning Zhao , Fusheng Ma