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The Gilbert damping of ferromagnetic materials is arguably the most important but least understood phenomenological parameter that dictates real-time magnetization dynamics. Understanding the physical origin of the Gilbert damping is highly…

Materials Science · Physics 2016-03-29 Yuelei Zhao , Qi Song , See-Hun Yang , Tang Su , Wei Yuan , Stuart S. P. Parkin , Jing Shi , Wei Han

A systematic experimental study of Gilbert damping is performed via ferromagnetic resonance for the disordered crystalline binary 3d transition metal alloys Ni-Co, Ni-Fe and Co-Fe over the full range of alloy compositions. After accounting…

The exchange stiffness of magnetic materials is one of the essential parameters governing magnetic texture and its dynamics in magnetic devices. The effect of single-element doping on exchange stiffness has been investigated for several…

Materials Science · Physics 2024-01-17 Shiho Nakamura , Nobuyuki Umetsu , Michael Quinsat , Masaki Kado

Using a formulation of first-principles scattering theory that includes disorder and spin-orbit coupling on an equal footing, we calculate the resistivity $\rho$, spin flip diffusion length $l_{sf}$ and the Gilbert damping parameter…

Materials Science · Physics 2015-03-17 Anton A. Starikov , Paul J. Kelly , Arne Brataas , Yaroslav Tserkovnyak , Gerrit E. W. Bauer

The effects of rhenium doping in the range 0 to 10 atomic percent on the static and dynamic magnetic properties of Fe65Co35 thin films have been studied experimentally as well as with first principles electronic structure calculations…

Magnetic thin films with strong magnetoelastic coupling and low Gilbert damping are key materials for many magnetoelectric devices. Here, we investigated the effects of boron doping concentration on magnetostriction and temperature…

Materials Science · Physics 2025-05-19 Zhixin Zhang , Jinho Lim , Haoyang Ni , Jian-Min Zuo , Axel Hoffmann

Magnetic damping has a significant impact on the performance of various magnetic and spintronic devices, making it a long-standing focus of research. The strength of magnetic damping is usually quantified by the Gilbert damping constant in…

Materials Science · Physics 2023-09-21 Liangliang Hong , Changsong Xu , Hongjun Xiang

Understanding the Gilbert damping in exchange-coupled multilayer materials is particularly important to develop future fast switching spintronics devices. Here, we report an experimental investigation of temperature-dependent Gilbert…

Applied Physics · Physics 2019-07-17 Yurui Wei , Yi Huang , Yueyue Liu , Huiliang Wu , Yunxu Ma , Chunlei Zhang , Jianbo Wang , Jiangwei Cao , Qingfang Liu

We investigate the Gilbert damping parameter for rare earth (RE)-transition metal (TM) ferrimagnets over a wide temperature range. Extracted from the field-driven magnetic domain-wall mobility, the Gilbert damping parameter was as low as…

A method for the calculations of the Gilbert damping parameter $\alpha$ is presented, which based on the linear response formalism, has been implemented within the fully relativistic Korringa-Kohn-Rostoker band structure method in…

Other Condensed Matter · Physics 2015-06-12 S. Mankovsky , D. Koedderitzsch , G. Woltersdorf , H. Ebert

Heterostructures of Co-doped ZnO and Permalloy were investigated for their static and dynamic magnetic interaction. The highly Co-doped ZnO is paramagentic at room temperature and becomes an uncompensated antiferromagnet at low…

Materials Science · Physics 2020-02-19 Martin Buchner , Julia Lumetzberger , Verena Ney , Taddäus Schaffers , Niéli Daffé , Andreas Ney

A study on temperature dependent magnetic properties of single phase orthorhombic perovskites system associated with space group Pbnm compounds Pr1-x(Gd/Nd)xMnO3 (x=0.3, 0.5, 0.7) was carried out. A magnetization reversal is observed below…

Materials Science · Physics 2016-06-13 Sanjay Biswas , Sudipta Pal

Charge-spin interconversion processes underpin the generation of spin-orbit torques in magnetic/nonmagnetic bilayers. However, efficient sources of spin currents such as 5d metals are also efficient spin sinks, resulting in a large increase…

Materials Science · Physics 2024-08-23 Shilei Ding , Hanchen Wang , William Legrand , Paul Noël , Pietro Gambardella

Gilbert damping is a key property governing magnetization dynamics in ordered magnets. We present a theoretical study of intrinsic Gilbert damping induced by magnon decay in antiferromagnetic metals through $s$-$d$ exchange interaction. Our…

Mesoscale and Nanoscale Physics · Physics 2020-01-15 Haakon T. Simensen , Akashdeep Kamra , Roberto E. Troncoso , Arne Brataas

Relaxation effects are of primary importance in the description of magnetic excitations, leading to a myriad of methods addressing the phenomenological damping parameters. In this work, we consider several well-established forms of…

Mesoscale and Nanoscale Physics · Physics 2019-04-26 Filipe S. M. Guimarães , J. R. Suckert , Jonathan Chico , Juba Bouaziz , Manuel dos Santos Dias , Samir Lounis

The nature of low-impurity ferromagnetism remains a challenging problem in the solid-state community. Despite initial experiments dating back to the mid-20th century, a comprehensive theoretical explanation and reliable ab initio…

We have explored, computationally and experimentally, the magnetic properties of \fecob{} alloys. Calculations provide a good agreement with experiment in terms of the saturation magnetization and the magnetocrystalline anisotropy energy…

Heusler alloys have been intensively studied due to the wide variety of properties that they exhibit. One of these properties is of particular interest for technological applications, i.e. the fact that some Heusler alloys are…

Spin pumping effect is a sensitive and well-established experimental method in two-dimensional (2D) magnetic materials. We propose that spin pumping effect can be a valuable probe for non-Fermi liquid (NFL) behaviors at the 2D interface of…

Strongly Correlated Electrons · Physics 2025-03-19 Xiao-Tian Zhang , Yi-Hui Xing , Xu-Ping Yao , Yuya Ominato , Long Zhang , Mamoru Matsuo

Engineering Gilbert damping of ferromagnetic metal films is of great importance to exploit and design spintronic devices that are operated with an ultrahigh speed. Based on scattering theory of Gilbert damping, we extend the torque method…

Materials Science · Physics 2019-05-15 Y. S. Hou , R. Q. Wu
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