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Related papers: Spin-dependent optical response of multiferroic Eu…

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Spin-dependent transport is investigated in ballistic regime through the interface between a ferromagnet and a spin spiral. We show that spin-dependent interferences lead to a new type of diffraction called "spin-diffraction". It is shown…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Aurélien Manchon , Natalya Ryzhanova , A. Vedyayev , Bernard Dieny

In transition metal dichalcogenides the spin-orbit interaction affects differently the conduction and valence band energies as functions of $k$ and the band gap is large. Consequently, when a perpendicular magnetic field $B$ is applied the…

Mesoscale and Nanoscale Physics · Physics 2018-10-10 M. Zubair , M. Tahir , P. Vasilopoulos

Altermagnets, magnetic materials with zero magnetization and spin-split band structure, have gained tremendous attention recently for their rich physics and potential applications. Here, we report on a microscopic tight-binding model that…

Materials Science · Physics 2024-11-01 Marc Vila , Veronika Sunko , Joel E. Moore

Proximity effects allow for the adjustment of magnetic properties in a physically elegant way. If two thin ferromagnetic (FM) films are brought into contact, electronic coupling alters their magnetic exchange interaction at their interface.…

Ferromagnetic semiconductor europium monoxide (EuO) is believed to be an effective spin injector when directly integrated with silicon. Injection through spin-selective ohmic contact requires superb structural quality of the interface…

The optical Hall response is theoretically studied for spin-orbit coupled metals with ferroic orders of cluster-type magnetic multipoles. We find that different magnetic multipoles give rise to distinct spectra in the optical Hall…

Strongly Correlated Electrons · Physics 2021-02-16 Tatsuki Sato , Yuma Umimoto , Yusuke Sugita , Yasuyuki Kato , Yukitoshi Motome

CuFeO_2 is one of the multiferroic materials and is the first case that the electric polarization is not explained by the magnetostriction model or the spin-current model. We have studied this material using soft x-ray resonant diffraction…

Metallic nanostructures exhibit strong nonlinear-optical response at surface plasmon resonances, where the light-matter coupling efficiency is enhanced. An active modulation of this response can be realized by means of an external magnetic…

Mesoscale and Nanoscale Physics · Physics 2020-05-29 Ilya Razdolski , Gaspar Armelles , Alfonso Cebollada , Andrey Kirilyuk

The recent experimental realization of a high quality WSe$% _{2} $ leads to the possibility of magneto-optical measurements and the manipulation of the spin and valley degrees of freedom. We study the influence of the very strong spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2016-07-26 M. Tahir , P. Vasilopoulos

Integrated optically-inspired wave-based processing is envisioned to outperform digital architectures in specific tasks, such as image processing and speech recognition. In this view, spin-waves represent a promising route due to their…

The conductivity of the system magnetic dielectric (EuO) - graphene channel - ferroelectric substrate was considered. The magnetic dielectric locally transforms the band spectrum of graphene by inducing an energy gap in it and making it…

Materials Science · Physics 2019-05-22 Anatolii I. Kurchak , Anna N. Morozovska , Maksym V. Strikha

We show how off-resonant light scattering can provide quantitative information on antiferromagnetic ordering of a two-species fermionic atomic gas in a tightly-confined two-dimensional optical lattice. We analyze the emerging magnetic…

Quantum Gases · Physics 2014-09-10 Francisco Cordobes Aguilar , Andrew F Ho , Janne Ruostekoski

In this paper we propose that electron spin resonance (ESR) measurements enable us to detect the long-range spin nematic order. We show that the frequency of the paramagnetic resonance peak in the ESR spectrum is shifted by the…

Strongly Correlated Electrons · Physics 2018-03-22 Shunsuke C. Furuya , Tsutomu Momoi

BiFeO$_3$ is a technologically relevant multiferroic perovskite featuring ferroelectricity and antiferromagnetism. Its lattice, magnetic, and ferroelectric degrees of freedoms are coupled to its optically active excitations and thus hold…

Materials Science · Physics 2024-10-17 Aseem Rajan Kshirsagar , Sven Reichardt

The optical conductivity of the undoped PrMnO$_3$ manganite has been investigated in details at various temperatures between 300 and 4 K. Its low energy spectrum exhibits an optical gap, and is characterized by a single broad peak centered…

Strongly Correlated Electrons · Physics 2007-05-23 R. Sopracase , G. Gruener , C. Autret-Lambert , V. Ta Phuoc , V. Brize , J. C. Soret

The temperature and strain dependences of the optical conductivity spectrum of hexagonal manganese telluride (MnTe) were measured, revealing absorption in the terahertz (THz) region from spin-split bands to acceptor levels. The temperature…

Strongly Correlated Electrons · Physics 2026-03-24 Shin-ichi Kimura , Hironao Suwa , Kangle Yuan , Hiroshi Watanabe , Takuto Nakamura , Haan Kyul Yun , Myung-Hwa Jung

Multi-orbital physics in quasi-two-dimensional electron gases (q2DEGs) triggers unique phenomena not observed in bulk materials, such as unconventional superconductivity and magnetism. Here, we investigate the mechanism of orbital selective…

Recently, rutile RuO$_2$ has attracted renewed interest due to expectations of prominent altermagnetic spin-splitting. However, accumulating experimental evidence suggests that in its bulk and thick-film forms, RuO$_2$ does not display any…

A comparative experimental investigation of the dependence of second harmonic generation (SHG) on applied external voltage between the standard nematic liquid crystalline material and an analogue ferromagnetic nematic liquid crystalline…

Soft Condensed Matter · Physics 2019-09-30 Jure Brence , Luka Cmok , Nerea Sebastian , Alenka Mertelj , Darja Lisjak , Irena Drevensek-Olenik

Epitaxial ferromagnetic metal - semiconductor heterostructures are investigated using polarization-dependent electroabsorption measurements on GaAs p-type and n-type Schottky diodes with embedded In1-xGaxAs quantum wells. We have conducted…

Condensed Matter · Physics 2009-11-07 A. F. Isakovic , D. M. Carr , J. Strand , B. D. Schultz , C. J. Palmstrom , P. A. Crowell