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Related papers: Optimizing Time-resolved Magneto-optical Kerr Effe…

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We use the time-resolved magneto-optical Kerr effect (TRMOKE) to measure the local temperature and heat flow dynamics in ferromagnetic SrRuO3 thin films. After heating by a pump pulse, the film temperature decays exponentially, indicating…

Materials Science · Physics 2010-01-27 M. C. Langner , C. L. S. Kantner , Y. H. Chu , L. M. Martin , P. Yu , R. Ramesh , J. Orenstein

Orbital torque (OT) offers a highly efficient way for electrical magnetization manipulation. However, its potential in the emerging field of flexible spintronics remains largely unexplored. Here, we demonstrate a flexible and robust OT…

Materials Science · Physics 2025-08-27 Liguang Gong , Jian Song , Bin Lao , Run-Wei Li , Zhiming Wang

Time-resolved magneto-optical Kerr effect (MOKE) and Brillouin light scattering (BLS) spectroscopy are important techniques for the investigation of magnetization dynamics. Within this article, we calculate analytically the MOKE and BLS…

The burgeoning fields of spintronics and topological electronics require materials possessing a unique combination of properties: ferromagnetism, metallicity, and chemical stability. SrRuO3 (SRO) stands out as a compelling candidate due to…

Magnetic Penrose process (MPP) could be highly efficient (efficiency can even exceed $100\%$) for extracting the energy from a Kerr black hole, if it is immersed in a mG order magnetic field. Considering the exact solution of the magnetized…

High Energy Astrophysical Phenomena · Physics 2024-03-22 Chandrachur Chakraborty , Parth Patil , G. Akash

This work introduces new results in continuous-time reinforcement learning (CT-RL) control of affine nonlinear systems to address a major algorithmic challenge due to a lack of persistence of excitation (PE). This PE design limitation has…

Systems and Control · Electrical Eng. & Systems 2023-08-01 Brent A. Wallace , Jennie Si

We systematically investigated the Ni and Co thickness-dependent perpendicular magnetic anisotropy (PMA) coefficient, magnetic domain structures, and magnetization dynamics of Pt(5 nm)/[Co(t_Co nm)/Ni(t_Ni nm)]5/Pt(1 nm) multilayers by…

Magnetic imaging with ultra-high spatial resolution is crucial to exploring the magnetic textures of emerging quantum materials. We propose a novel magnetic imaging protocol that achieves Angstrom-scale resolution by combining spin defects…

Quantum Physics · Physics 2025-08-04 Ning Wang , Jianming Cai , Chao Lei

It has been shown that the spin Hall effect from heavy transition metals can generate sufficient spin-orbit torque and further produce current-induced magnetization switching in the adjacent ferromagnetic layer. However, if the…

Mesoscale and Nanoscale Physics · Physics 2020-04-16 Yan-Ting Liu , Tian-Yue Chen , Tzu-Hsiang Lo , Tsung-Yu Tsai , Shan-Yi Yang , Yao-Jen Chang , Jeng-Hua Wei , Chi-Feng Pai

Spintronic rf detectors were demonstrated, recently, for energy harvesting and wireless communication at low input power. Here we report on the optimization of the rectified output dc voltage using magnetic tunnel junctions (MTJ) with…

Mesoscale and Nanoscale Physics · Physics 2022-01-26 A. Sidi El Valli , V. Iurchuk , G. Lezier , I. Bendjeddou , R. Lebrun , N. Lamard , A. Litvinenko , J. Langer , J. Wrona , L. Vila , R. Sousa , I. L. Prejbeanu , B. Dieny , U. Ebels

The kernel truncation method (KTM) is a commonly-used algorithm to compute the convolution-type nonlocal potential $\Phi(x)=(U\ast \rho)(x), ~x \in {\mathbb R^d}$, where the convolution kernel $U(x)$ might be singular at the origin and/or…

Numerical Analysis · Mathematics 2022-09-27 Xin Liu , Qinglin Tang , Shaobo Zhang , Yong Zhang

Magnetic media remain a key in information storage and processing. The continuous increase of storage densities and the desire for quantum memories and computers pushes the limits of magnetic characterisation techniques. Ultimately, a tool…

We report the observation of ferromagnetic resonance (FMR) in SrRuO3 using the time-resolved magneto-optical Kerr effect. The FMR oscillations in the time-domain appear in response to a sudden, optically induced change in the direction of…

Materials Science · Physics 2008-12-05 M. C. Langner , C. L. S. Kantner , Y. H. Chu , L. W. Martin , P. Yu , R. Ramesh , J. Orenstein

We describe a two-color pump-probe scanning magneto-optical Kerr effect (MOKE) microscope which we have developed to investigate electron spin phenomena in semiconductors at cryogenic temperatures with picosecond time and micrometer spatial…

Instrumentation and Detectors · Physics 2015-06-17 T. Henn , T. Kiessling , W. Ossau , L. W. Molenkamp , K. Biermann , P. V. Santos

Pt/Co/heavy metal (HM) tri-layered structures with interfacial perpendicular magnetic anisotropy (PMA) are currently under intensive research for several emerging spintronic effects, such as spinorbit torque, domain wall motion, and room…

The magneto-optical Kerr effect (MOKE) is often assumed to be proportional to the magnetisation of a magnetically ordered metallic sample; in metallic ferrimagnets with chemically distinct sublattices, such as rare-earth transition-metal…

Magnetic transition metal dichalcogenide (TMD) films have recently emerged as promising candidates to host novel magnetic phases relevant to next-generation spintronic devices. However, systematic control of the magnetization orientation,…

The magneto-optical properties of (Ga,Mn)As have been determined within density functional theory using the highly precise full-potential linear augmented plane wave (FLAPW) method. A detailed investigation of the electronic and magnetic…

Materials Science · Physics 2011-12-30 A. Stroppa , S. Picozzi , A. Continenza , M. Y. Kim , A. J. Freeman

The Technical Committee of the IEEE Magnetics Society has selected 7 research topics to develop their roadmaps, where major developments should be listed alongside expected timelines; (i) hard disk drives, (ii) magnetic random access…

Magneto-elastic (or "straintronic") switching has emerged as an extremely energy-efficient mechanism for switching the magnetization of magnetostrictive nanomagnets in magnetic memory, logic and non-Boolean circuits. Here, we investigate…

Mesoscale and Nanoscale Physics · Physics 2019-02-12 Sucheta Mondal , Md Ahsanul Abeed , Koustuv Dutta , Anulekha De , Sourav Sahoo , Anjan Barman , Supriyo Bandyopadhyay