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Recent advances in magnonics highlight the need for employing spin wave characteristics as new state variables, which is to be detected and mapped out with high precision in all-onchip, small scale devices. Spin wave modes that are prompted…

Mesoscale and Nanoscale Physics · Physics 2025-04-22 Junming Wu , Dinesh Wagle , Yuzan Xiong , Andrew Christy , Yi Li , Shihao Zhou , James F. Cahoon , Xufeng Zhang , M. Benjamin Jungfleisch , Wei Zhang

In this work, we experimentally investigate spin and orbital torque phenomena using the spin-torque ferromagnetic resonance (ST-FMR) technique in a series of bilayer systems composed of different normal metal (NM) materials. Permalloy (Py)…

Mesoscale and Nanoscale Physics · Physics 2026-03-26 J. L. Costa , E. Santos , A. Y. M. Tani , J. B. S. Mendes , A. Azevedo

This work reviews and examines two particular issues related with the new technique of electrical detection of ferromagnetic resonance (FMR). This powerful technique has been broadly applied for studying magnetization and spin dynamics over…

Materials Science · Physics 2015-03-19 M. Harder , Z. X. Cao , Y. S. Gui , X. L. Fan , C. -M. Hu

Efficient detection of the magnetic state at nanoscale dimensions is an important step to utilize spin logic devices for computing. Magnetoresistance effects have been hitherto used in magnetic state detection, but they suffer from…

We are pursuing an experiment to measure the electric dipole moment of the electron using the molecule PbO. This measurement requires the ability to prepare quantum states with orientation of the molecular axis and, simultaneously,…

Atomic Physics · Physics 2013-05-29 S. Bickman , P. Hamilton , Y. Jiang , D. DeMille

The intrinsic fluctuations of electron spins in semiconductors and atomic vapors generate a small, randomly-varying "spin noise" that can be detected by sensitive optical methods such as Faraday rotation. Recent studies have demonstrated…

We report the dynamic characterization of the spin-torque-driven in-plane precession modes of a spin-torque nano-oscillator based on two different synthetic ferrimagnets: a pinned one characterized by a strong RKKY interaction which is…

Mesoscale and Nanoscale Physics · Physics 2024-03-07 E. Monteblanco , F. Garcia-Sanchez , M. Romera , D. Gusakova , L. D. Buda-Prejbeanu , U. Ebels

We propose a procedure for extraction of the Fermi surface for a two-dimensional electron gas with a strong Rashba spin-orbit coupling from conductance microscopy. Due to the interplay between the effective spin-orbit magnetic field and the…

Mesoscale and Nanoscale Physics · Physics 2016-02-05 K. Kolasiński , H. Sellier , B. Szafran

We present a phenomenological theory of spin-orbit torques in a metallic ferromagnet with spin-relaxing boundaries. The model is rooted in the coupled diffusion of charge and spin in the bulk of the ferromagnet, where we account for the…

Mesoscale and Nanoscale Physics · Physics 2021-07-14 Hector Ochoa , Ricardo Zarzuela , Yaroslav Tserkovnyak

In this paper we propose that electron spin resonance (ESR) measurements enable us to detect the long-range spin nematic order. We show that the frequency of the paramagnetic resonance peak in the ESR spectrum is shifted by the…

Strongly Correlated Electrons · Physics 2018-03-22 Shunsuke C. Furuya , Tsutomu Momoi

Interest in the magnetism of organic compounds is growing because of new organic magnets, spin-based electronics and the diverse properties of magnetic edge states in graphene nanoribbons. Electron spin resonance spectroscopy combined with…

Mesoscale and Nanoscale Physics · Physics 2025-04-28 Gregory Czap , Christoph Wolf , Jose Reina-Gálvez , Mark H. Sherwood , Christopher P. Lutz

The ability to sense the magnetic state of individual magnetic nano-objects is a key capability for powerful applications ranging from readout of ultra-dense magnetic memory to the measurement of spins in complex structures with nanometer…

Mesoscale and Nanoscale Physics · Physics 2017-05-30 Shichao Yan , Luigi Malavolti , Jacob A. J. Burgess , Andrea Droghetti , Angel Rubio , Sebastian Loth

We investigate the spin transport and precession in graphene by using the Hanle effect in nonlocal and threeterminal measurement geometries. Identical spin lifetimes, spin diffusion lengths and spin polarizations are observed in graphene…

Materials Science · Physics 2014-05-06 André Dankert , Mutta Venkata Kamalakar , Johan Bergsten , Saroj P. Dash

For a long time, there have been no efficient ways of controlling antiferromagnets. Quite a strong magnetic field was required to manipulate the magnetic moments because of a high molecular field and a small magnetic susceptibility. It was…

Materials Science · Physics 2017-08-28 Takahiro Moriyama , Kent Oda , Teruo Ono

We use time-resolved Kerr rotation to demonstrate the optical and electronic tuning of both the electronic and local moment (Mn) spin dynamics in electrically gated parabolic quantum wells derived from II-VI diluted magnetic semiconductors.…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 R. C. Myers , K. C. Ku , X. Li , N. Samarth , D. D. Awschalom

Spin-orbit torques promise ultra-efficient magnetization switching used for advanced devices based on emergent quasi-particles such as domain walls and skyrmions. Recently, the spin structure dynamics, materials and systems with tailored…

A theoretical framework is proposed for the spin-current driven synchronized self-oscillations in ferromagnets in the spin Hall geometry. The spin current generated by the spin Hall effect in a bottom nonmagnetic heavy metal excites a…

Mesoscale and Nanoscale Physics · Physics 2018-09-17 Tomohiro Taniguchi

Previous measurements with a single trapped proton or antiproton detected spin resonance from the increased scatter of frequency measurements caused by many spin flips. Here a measured correlation confirms that individual spin transitions…

Atomic Physics · Physics 2023-11-14 J. DiSciacca , M. Marshall , K. Marable , G. Gabrielse

Magneto-optical techniques have become essential tools in spintronics, enabling the investigation of spin dynamics in the ultrafast regime. A key challenge in this field has been to accurately isolate the contributions to magneto-optical…

The understanding of spin dynamics in laterally confined structures on sub-micron length scales has become a significant aspect of the development of novel magnetic storage technologies. Numerous ferromagnetic resonance measurements,…

Mesoscale and Nanoscale Physics · Physics 2016-02-12 Matthias B. Jungfleisch , Wei Zhang , Junjia Ding , Wanjun Jiang , Joseph Sklenar , John E. Pearson , John B. Ketterson , Axel Hoffmann