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The Heusler ferromagnetic (FM) compound Co2FeAl interfaced with a high-spin orbit coupling non-magnetic (NM) layer is a promising candidate for energy efficient spin logic circuits. The circuit potential depends on the strength of angular…

Based on recent experimental evidence for a spin polarized ground state in the insulating phase of the two-dimensional electron system, we propose that ferromagnetic spin fluctuations lead to an attractive interaction in the triplet channel…

Strongly Correlated Electrons · Physics 2009-11-07 Claudio Chamon , Eduardo R. Mucciolo , Antonio H. Castro Neto

The effect of spin currents on the magnetic order of insulating antiferromagnets (AFMs) is of fundamental interest and can enable new applications. Toward this goal, characterizing the spin-orbit torques (SOT) associated with AFM/heavy…

Mesoscale and Nanoscale Physics · Physics 2022-06-22 Egecan Cogulu , Hantao Zhang , Nahuel N. Statuto , Yang Cheng , Fengyuan Yang , Ran Cheng , Andrew D. Kent

We report the formation of a novel ferromagnetic state in the antiferromagnet BiFeO3 at the interface with La0.7Sr0.3MnO3. Using x-ray magnetic circular dichroism at Mn and Fe L2,3-edges, we discovered that the development of this…

We have synthesized 20 nm thick films of tetragonally strained interstitial Fe-Co-B alloys epitaxially grown on Au55Cu45 buffer layer. The strained axis is perpendicular to the film plane and the corresponding lattice constant c is enlarged…

An in situ measurement of spin transport in a graphene nonlocal spin valve is used to quantify the spin current absorbed by a small (250 nm $\times$ 750 nm) metallic island. The experiment allows for successive depositions of either Fe or…

Mesoscale and Nanoscale Physics · Physics 2018-10-24 Walid Amamou , Gordon Stecklein , Steven J. Koester , Paul A. Crowell , Roland K. Kawakami

Spin waves in magnetic insulators are low-damping signal carriers that could enable a new generation of spintronic devices. The excitation, control, and detection of spin waves by metal electrodes is crucial for interfacing these devices to…

Mesoscale and Nanoscale Physics · Physics 2021-12-14 Iacopo Bertelli , Brecht G. Simon , Tao Yu , Jan Aarts , Gerrit E. W. Bauer , Yaroslav M. Blanter , Toeno van der Sar

To develop new devices based on synthetic ferrimagnetic heterostructures, understanding the material's physical properties is pivotal. Here, the induced magnetic moment (IMM), magnetic exchange coupling, and spin textures are investigated…

A systematic microscopic theory of magnetically induced ferroelectricity and lattice modulation is presented for all electron configurations of Mott-insulating transition-metal oxides. Various mechanisms of polarization are identified in…

Strongly Correlated Electrons · Physics 2009-11-13 Chenglong Jia , Shigeki Onoda , Naoto Nagaosa , Jung Hoon Han

Spin-orbit torque efficiency is conventionally fixed by bulk materials. $D$-wave altermagnets introduce an additional nonrelativistic spin-charge conversion channel beyond inverse spin-Hall effect. Using prototypical candidate RuO$_2$ as an…

Materials Science · Physics 2026-02-27 Dongchao Yang , Zhaoqing Li , Yu Dai , Lili Lang , Zhong Shi , Zhe Yuan , Shi-Ming Zhou

This paper presents the boundary conditions needed for drift-diffusion models to treat interfaces with spin-orbit coupling. Using these boundary conditions for heavy metal/ferromagnet bilayers, solutions of the drift-diffusion equations…

Mesoscale and Nanoscale Physics · Physics 2016-09-21 V. P. Amin , M. D. Stiles

Alkali-metal (potassium) adsorption on FeSe thin films with thickness from two unit cells (UC) to 4-UC on SrTiO3 grown by molecular beam epitaxy is investigated with a low-temperature scanning tunneling microscope. At appropriate potassium…

We study transport phenomena through a ballistic ferromagnet-superconductor-ferromagnet (F/S/F) junction, comparing the case in which the ferromagnetic order in the two F layers is of the standard Stoner type with the case where it is…

Superconductivity · Physics 2022-06-08 Paola Gentile , Marilena Catapano , Nicola De Vivo , Mario Cuoco , Alfonso Romano , Canio Noce

Strong correlations, multiple lattice degrees of freedom, and the ease of doping make complex oxides a source of great research interest. Complex oxide heterointerfaces break inversion symmetry and can host a two dimensional carrier gas,…

Strongly Correlated Electrons · Physics 2018-08-15 V. V. Bal , Z. Huang , K. Han , Ariando , T. Venkatesan , V. Chandrasekhar

In magnetic heterostructures with broken inversion symmetry, the Rashba effect gives rise to a gradient-free interaction between magnons and phonons, which we term interfacial spin-lattice coupling. Here, we investigate the dynamic…

Mesoscale and Nanoscale Physics · Physics 2026-03-23 Gyungchoon Go , Se Kwon Kim

The control of recently observed spintronic effects in topological-insulator/ferromagnetic-metal (TI/FM) heterostructures is thwarted by the lack of understanding of band structure and spin texture around their interfaces. Here we combine…

Mesoscale and Nanoscale Physics · Physics 2017-09-28 J. M. Marmolejo-Tejada , K. Dolui , P. Lazic , P. -H. Chang , S. Smidstrup , D. Stradi , K. Stokbro , B. K. Nikolic

Hysteretic magneto-resistance of point contacts formed between non-magnetic tips and single ferromagnetic films exchange-pinned by antiferromagnetic films is investigated. The analysis of the measured current driven and field driven…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 I. K. Yanson , Yu. G. Naidyuk , O. P. Balkashin , V. V. Fisun , L. Yu. Triputen , S. Andersson , V. Korenivski , Yu. I. Yanson , H. Zabel

The remarkably strong chemical adsorption behaviors of nitric oxide on magnesia (001) film deposited on metal substrate have been investigated by employing periodic density functional calculations with Van der Waals corrections. The…

Chemical Physics · Physics 2017-10-03 Zhenjun Song , Bin Zhao , Hu Xu , Peng Cheng

We apply Density Functional Theory (DFT) and the DFT+U technique to study the adsorption of transition metal porphine molecules on atomistically flat Au(111) surfaces. DFT calculations using the Perdew-Burke-Ernzerhof (PBE) exchange…

The adsorption of metal atoms on nanostructures, such as graphene and nanotubes, plays an important role in catalysis, electronic doping, and tuning material properties. Quantum chemical calculations permit the investigation of this process…

Mesoscale and Nanoscale Physics · Physics 2020-02-18 Christoph Rohmann , Maicol A. Ochoa , Michael Zwolak