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The 5$d$ series semimetallic Dirac nodal-line perovskite SrIrO$_3$ presents a promising system to study the interplay between spin-orbit coupling and electron-electron interactions in the epitaxial thin film geometry. The competition…

Materials Science · Physics 2024-06-05 Wesley Surta , Saeed Almalki , Ya-Xun Lin , Tim Veal , Marita O'Sullivan

Superconductor/ferromagnet/superconductor heterostructures exhibit a so-called long-range proximity effect provided some layers of conical magnet Holmium are included in the respective interface regions. The Ho layers lead to a spin-flip…

Superconductivity · Physics 2015-04-06 Daniel Fritsch , James F. Annett

Effective modulation of magnetic permeability plays a vital role in the development of high-performance inductors. Here, phase-field simulations of hard/soft ferrite composites (BaM/NiZn) clarify how exchange coupling and microstructure…

Materials Science · Physics 2025-11-26 Xinyu Xu , Wenqin Yue , Yueli Yu , Yongke Yan , Liwei D. Geng

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…

The interface of complex oxide heterostructures sets the stage for various electronic and magnetic phenomena. Many of these collective effects originate from the precise structural arrangement at the interface that in turn governs local…

Mesoscale and Nanoscale Physics · Physics 2021-03-17 Max Burian , Bill Francesco Pedrini , Nazaret Ortiz Hernandez , Hiroki Ueda , C. A. F. Vaz , Milan Radovic , Urs Staub

Magnetic heterostructures that combine large spin-orbit torque efficiency, perpendicular magnetic anisotropy, and low resistivity are key to develop electrically-controlled memory and logic devices. Here we report on vector measurements of…

Materials Science · Physics 2017-01-10 Abhijit Ghosh , Kevin Garello , Can Onur Avci , Mihai Gabureac , Pietro Gambardella

We present a first-principles investigation of the structural, electronic, and magnetic properties of the pristine and Fe-doped $\alpha$-MnO$_2$ using density-functional theory with extended Hubbard functionals. The onsite $U$ and intersite…

Materials Science · Physics 2022-08-29 Ruchika Mahajan , Arti Kashyap , Iurii Timrov

Polarized neutron reflectivity measurements of a ferromagnetic [(LaMnO$_3$)$_{11.8}$/(SrMnO$_3$)$_{4.4}$]$_6$ superlattice reveal a modulated magnetic structure with an enhanced magnetization at the interfaces where LaMnO$_3$ was deposited…

We analyze the origin of spin-orbit coupling (SOC) in fluorinated graphene using Density Functional Theory (DFT) and a tight-binding model for the relevant orbitals. As it turns out, the dominant source of SOC is the atomic spin-orbit of…

Mesoscale and Nanoscale Physics · Physics 2016-03-16 R. M. Guzmán-Arellano , A. D. Hernández-Nieves , C. A. Balseiro , Gonzalo Usaj

The temperature dependence of the relaxation dynamics in the bilayer thin film heterostructure composed of multiferroic BiFeO$_{3}$ (BFO) and superconducting YBa$_{2}$Cu$_{3}$O$_{7}$ (YBCO) grown on a (001) SrTiO$_{3}$ substrate is studied…

We report on a resonant soft X-ray spectroscopy study of the electronic and magnetic structure of the cuprate-manganite interface. Polarized X-ray spectroscopy measurements taken at the Cu L edge reveal up to a five-fold increase in the…

Strongly Correlated Electrons · Physics 2013-01-17 B. A. Gray , E. J. Moon , I. C. Tung , M. Kareev , Jian Liu , D. J. Meyers , M. J. Bedzyk , J. W. Freeland , J. Chakhalian

Fast spin manipulation in magnetic heterostructures, where magnetic interactions between different materials often define the functionality of devices, is a key issue in the development of ultrafast spintronics. Although recently developed…

Materials Science · Physics 2022-03-04 X. Liu , H. C. Yuan , P. Liu , J. Y. Shi , H. L. Wang , S. H. Nie , F. Jin , Z. Zheng , X. Z. Yu , J. H. Zhao , H. B. Zhao , G. Lüpke

We investigate the low-temperature spin dynamics of epitaxial lithium aluminum ferrite (LAFO) thin films using broadband ferromagnetic resonance (FMR) spectroscopy from 0.44 K to 68 K. The results reveal a crossover from conventional cubic…

Spinel ferrite Cu1-xZnxFe2O4 nanofibers over a compositional range 0 < x < 1 were prepared by electrospinning combined with sol-gel method. The influence of Zn2+ ions substitution on morphology, structure, and magnetic properties of copper…

Materials Science · Physics 2011-06-08 Weiwei Pan , Fengmei Gu , Kuo Qi , Qingfang Liu , Jianbo Wang

Despite intense efforts it has remained unresolved whether and how interfacial spin-orbit coupling (ISOC) affects spin transport across heavy metal (HM)/ferromagnet (FM) interfaces. Here we report conclusive experiment evidence that the…

Materials Science · Physics 2019-02-27 Lijun Zhu , D. C. Ralph , R. A. Buhrman

The spin dynamics of the geometrically frustrated triangular antiferromagnet multiferroic CuCrO2 have been mapped out using inelastic neutron scattering. The relevant spin Hamiltonian parameters modelling the incommensurate modulated…

Strongly Correlated Electrons · Physics 2015-05-14 M. Poienar , F. Damay , C. Martin , J. Robert , S. Petit

We have studied the structural, electronic and magnetic properties of spinel $\rm Co_3O_4$(111) surfaces and their interfaces with ZnO (0001) using density functional theory (DFT) within the Generalized Gradient Approximation with on-site…

Materials Science · Physics 2018-03-21 Igor Kupchak , Natalia Serpak , Anatoli Shkrebtii , Roland Hayn

Superlattices of correlated oxides have been used to explore interfacial effects and to achieve additional control over the physical properties of individual constituents. In this work, we present a first-principles perspective of the…

Strongly Correlated Electrons · Physics 2024-02-02 V. A. M. Lima , M. C. O. Aguiar , N. C. Plumb , M. Radovic , W. H. Brito

Using inelastic neutron scattering, we show that the onset of superconductivity in underdoped Ba(Fe$_{1-x}$Co$_{x}$)$_{2}$As$_{2}$ coincides with a crossover from well-defined spin waves to overdamped and diffusive spin excitations. This…

Due to its low intrinsic damping, Y$_3$Fe$_5$O$_{12}$ and its substituted variations are often used for ferromagnetic layer at spin pumping experiment. Spin pumping is an interfacial spin current generation in the interface of ferromagnet…

Mesoscale and Nanoscale Physics · Physics 2022-04-04 Adam B. Cahaya , Anugrah Azhar , Dede Djuhana , Muhammad Aziz Majidi