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Related papers: Reversible spin texture in ferroelectric HfO2

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Motivated by recent progress in 2D spintronics, we present Eu deposited on a 1H-WSe$_2$ as a promising platform for engineering spin-orbit effects and Berry curvature. By first-principles calculations based on density functional theory, we…

Mesoscale and Nanoscale Physics · Physics 2022-08-17 Johanna P. Carbone , Dongwook Go , Yuriy Mokrousov , Gustav Bihlmayer , Stefan Blügel

Spin-orbit interaction and structure inversion asymmetry in combination with magnetic ordering is a promising route to novel materials with highly mobile spin-polarized carriers at the surface. Spin-resolved measurements of the…

HfO2-based ferroelectric films have attracted considerable attention as their nanoscale ferroelectricity and compatibility with cmos technology, fulfilling demands of emerging memory technologies. However, as films scale down,…

Density functional based simulations are employed to explore magnetoelectric effects in iron-based oxides, showing a unique layered structure. We theoretically predict CaFeO2 to be a promising magnetoelectric, showing…

Strongly Correlated Electrons · Physics 2015-06-15 Kunihiko Yamauchi , Tamio Oguchi , Silvia Picozzi

The Edelstein effect provides the purely electrical generation and control of a homogeneous magnetization in primarily nonmagnetic materials with broken inversion symmetry. Usually, only the spin density response to an external electric…

Mesoscale and Nanoscale Physics · Physics 2021-03-31 Annika Johansson , Börge Göbel , Jürgen Henk , Manuel Bibes , Ingrid Mertig

Tuning the properties of materials using external stimuli is crucial for developing versatile smart materials. A strong coupling among order parameters within a single-phase material constitutes a potent foundation for achieving precise…

Materials Science · Physics 2024-02-27 Zhaojun Li , Lorenzo Varrassi , Yali Yang , Cesare Franchini , Laurent Bellaiche , Jiangang He

Angle-twisting engineering has emerged as a powerful tool for modulating electronic properties in van der Waals heterostructures. Recent theoretical works have predicted the modulation of spin texture in graphene-based heterostructures by…

Proximity effects are one of the pillars of exotic phenomena and technological applications of two dimensional materials. However, the interactions nature depends strongly on the materials involved, their crystalline symmetries, and…

Mesoscale and Nanoscale Physics · Physics 2022-01-11 Armando Pezo , Zeila Zanolli , Nils Wittemeier , Pablo Ordejon , Adalberto Fazzio , Stephan Roche , Jose H. Garcia

Efficient manipulation of magnetic order with electric current pulses is desirable for achieving fast spintronic devices. The Rashba-Edelstein effect, wherein a spin polarization is electrically induced in noncentrosymmetric systems,…

Materials Science · Physics 2024-07-01 Leandro Salemi , Marco Berritta , Ashis K. Nandy , Peter M. Oppeneer

Co$_3$Sn$_2$S$_2$ has recently emerged as a ferromagnetic Weyl semi-metal. Theoretical investigation of the spin-split bands predicted half metalicity in the compound. Here, we report the detection of a spin polarized supercurrent through a…

We present a methodology to address, from first principles, charge-spin interconversion in two-dimensional materials with spin-orbit coupling. Our study relies on an implementation of density functional theory based quantum transport…

Mesoscale and Nanoscale Physics · Physics 2022-01-05 Maedeh Rassekh , Hernán Santos , Andrea Latge , Leonor Chico , Saber Farjami Shayesteh , Juan Jose Palacios

The Rashba, Dresselhaus, and Weyl Hamiltonians form a foundational framework for modeling spin-orbit interactions across condensed matter systems. Although they describe distinct material classes and produce seemingly different spin…

Mesoscale and Nanoscale Physics · Physics 2026-01-08 Manish Kumar Mohanta

A chiral compound FeSi is a nonmagnetic narrow-gap insulator, exhibiting peculiar charge and spin dynamics beyond a simple band-structure picture. Those unusual features have been attracting renewed attention from topological aspects.…

We present theoretical studies of the influence of spin orbit coupling on the spin wave excitations of the Fe monolayer and bilayer on the W(110) surface. The Dzyaloshinskii-Moriya interaction is active in such films, by virtue of the…

Mesoscale and Nanoscale Physics · Physics 2010-10-19 A. T. Costa , R. B. Muniz , S. Lounis , A. B. Klautau , D. L. Mills

Topological insulators represent a new quantum state of matter that are insulating in the bulk but metallic on the edge or surface. In the Dirac surface state, it is well-established that the electron spin is locked with the crystal…

We report a systematic study of the structure, electric and magnetic properties of Ca$_3$Co$_{2-x}$Mn$_x$O$_6$ single crystals with $x =$ 0.72 and 0.26. The DC and AC magnetic susceptibilities display anomalies with characteristic of the…

Materials Science · Physics 2017-09-08 J. Shi , J. D. Song , J. C. Wu , X. Rao , H. L. Che , Z. Y. Zhao , H. D. Zhou , J. Ma , R. R. Zhang , L. Zhang , X. G. Liu , X. Zhao , X. F. Sun

We consider the magnetic response of a two-dimensional electron gas (2DEG) with both Rashba and Dresselhaus spin-orbit coupling to a microwave excitation. We generalize the results of [A. Shnirman and I. Martin, Europhys. Lett. 78, 27001…

Mesoscale and Nanoscale Physics · Physics 2009-01-22 Mikhail Pletyukhov , Alexander Shnirman

A strong coupling between electric polarization and elastic deformation in solids is an important factor in creating useful electromechanical nanodevices. Such coupling is typically allowed in insulating materials with inversion symmetry…

Materials Science · Physics 2024-10-30 Hidefumi Takahashi , Yusuke Kurosaka , Kenta Kimura , Akitoshi Nakano , Shintaro Ishiwata

We identify hexagonal YMnO$_3$ as a material realization of the elusive $\beta$-phase of unconventional magnetism, a noncollinear, noncoplanar antiferromagnetic state defined by intrinsic spin-momentum locking and a topological spin…

Materials Science · Physics 2026-01-06 Yudi Yang , Zhuang Qian , Ruichun Xiao , Yuanyuan Xu , Hua Wang , Shi Liu , Congjun Wu

An outstanding feature of topological quantum materials is their novel spin topology in the electronic band structures with an expected large charge-to-spin conversion efficiency. Here, we report a charge current-induced spin polarization…