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Perovskite transition-metal oxides are networks of corner-sharing octahedra whose tilts and distortions are known to affect their electronic and magnetic properties. We report calculations on a model interfacial structure to avoid chemical…

Spin-Orbitronics leverages the spin and orbital degrees of freedom in solids for information processing. The orbital Edelstein effect and orbital Hall effect, where the charge current induces a nonequilibrium orbital angular momentum, offer…

Spin dependent transport in a multi-terminal mesoscopic ring is investigated in presence of Rashba and Dresselhaus spin-orbit interactions. Within a tight-binding framework we use a general spin density matrix formalism to evaluate all…

Mesoscale and Nanoscale Physics · Physics 2013-10-31 Moumita Dey , Santanu K. Maiti , Sreekantha Sil , S. N. Karmakar

Nonlinear electrical conduction primarily mediated by an orbital texture is observed in chiral semiconductor Te. We determine the enantiospecific sign of the nonlinear conductance and identify anomalies in its carrier-density dependence.…

Mesoscale and Nanoscale Physics · Physics 2024-07-15 Suguru Okumura , Ryutaro Tanaka , Daichi Hirobe

Exploiting inversion symmetry breaking (ISB) in systems with strong spin-orbit coupling promises control of spin through electric fields - crucial to achieve miniaturization in spintronic devices. Delivering on this promise requires a…

Mesoscale and Nanoscale Physics · Physics 2021-04-14 Chi Ming Yim , Dibyashree Chakraborti , Luke C. Rhodes , Seunghyun Khim , Andrew P. Mackenzie , Peter Wahl

Direct experimental access to orbital states in strongly correlated materials remains a major challenge, despite their central role in driving coupled structural and magnetic phase transitions. In systems where electronic correlations,…

Rashba spin-orbit coupling locks the spin with momentum of charge carriers at the broken inversion interfaces, which could generate a large spin galvanic response. Here, we demonstrate spin-to-charge conversion (inverse Rashba-Edelstein…

Materials Science · Physics 2025-03-06 Athby H. Al-Tawhid , Rui Sun , Andrew H. Comstock , Divine P. Kumah , Dali Sun , Kaveh Ahadi

We provide a general procedure to calculate the current-induced spin-transfer torque which acts on a general steep magnetic texture due to the exchange interaction with an applied spin-polarized current. As an example, we consider a…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Martin Stier , Michael Thorwart

The oxygen-isotope (^{16}O/^{18}O) effect (OIE) on the in-plane magnetic penetration depth \lambda_{ab}(0) in optimally-doped YBa_2Cu_3O_{7-\delta} and La_{1.85}Sr_{0.15}CuO_4, and in slightly underdoped YBa_2Cu_4O_8 and…

Superconductivity · Physics 2009-11-11 R. Khasanov , A. Shengelaya , K. Conder , E. Morenzoni , I. M. Savić , J. Karpinski , H. Keller

The manipulation of magnetization in ferromagnetic metals (FMs) through orbital torque (OT) has emerged as a promising route for energy-efficient magnetic devices without relying on heavy metals. While Ti and Cu are among the most…

Mesoscale and Nanoscale Physics · Physics 2026-03-24 Daegeun Jo , Peter M. Oppeneer

We predict the giant ferroelectric control of interfacial properties of Ni/HfO2, namely, (i) the magnetocrystalline anisotropy and (ii) the inverse spin and orbital Rashba effects. The reversible control of magnetic properties using…

Materials Science · Physics 2024-12-09 Armando Pezo , Andrés Saul , Aurélien Manchon , Rémi Arras

We consider the effect of the Rashba spin-orbital interaction and space charge in a ferromagnet-insulator/semiconductor/insulator-ferromagnet junction where the spin current is severely affected by the doping, band structure and charge…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Wei Wu , Jinbin Li , Yue Yu , S. T. Chui

The aim of this work is to describe the spin magnetization of graphene with Rashba spinorbit coupling and Zeeman effect. It is shown that the magnetization depends critically on the spin-orbit coupling l that is controlled with an external…

Strongly Correlated Electrons · Physics 2017-08-28 Federico Escudero , Lucas Sourrouille , Juan Sebastián Ardenghi , Paula Jasen

The interactions between charge and orbitally ordered $d$-electrons are important in many transition metal oxides. We propose an effective energy model for such interactions, parameterized with DFT+U calculations, so that energy…

Strongly Correlated Electrons · Physics 2015-11-17 Fei Zhou , Gerbrand Ceder

We study the spin-dependent electronic transport through a one-dimensional ballistic quantum wire in the presence of Rashba spin-orbit interaction. In particular, we consider the effect of the spin-orbit interaction resulting from the…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. E. Birkholz , V. Meden

Specific features of orbital and spin structure of transition metal compounds in the case of the face-sharing MO$_6$ octahedra are analyzed. In this geometry, we consider the form of the spin--orbital Hamiltonian for transition metal ions…

Strongly Correlated Electrons · Physics 2015-04-28 K. I. Kugel , D. I. Khomskii , A. O. Sboychakov , S. V. Streltsov

We study the spatial distribution of spin torque induced by a strong Rashba spin-orbit coupling (RSOC) in a ferromagnetic (FM) metal layer, using the Keldysh non-equilibrium Green's function method. In the presence of the s-d interaction…

Mesoscale and Nanoscale Physics · Physics 2012-02-27 N. L. Chung , M. B. A. Jalil , S. G. Tan

The spin Edelstein effect has proven to be a promising phenomenon to generate spin polarization from a charge current in systems without inversion symmetry. In recent years, a current-induced orbital magnetization, called orbital Edelstein…

Mesoscale and Nanoscale Physics · Physics 2024-01-17 Sergio Leiva M. , Jürgen Henk , Ingrid Mertig , Annika Johansson

Using orbital angular momentum (OAM) currents in nanoelectronics, for example, for magnetization manipulation via spin-orbit torque (SOT), represents a growing field known as "spin-orbitronics". Here, using the density functional theory…

Materials Science · Physics 2025-02-14 Poonam Kumari , Cyrille Barreteau , Alexander Smogunov

In a magnetic multilayer, the spin transfer between localized magnetization dynamics and itinerant conduction spin arises from the interaction between a normal metal and an adjacent ferromagnetic layer. The spin-mixing conductance then…

Mesoscale and Nanoscale Physics · Physics 2022-07-04 Adam B. Cahaya , Rico M. Sitorus , Anugrah Azhar , Ahmad R. T. Nugraha , Muhammad Aziz Majidi