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The nuclear magnetic resonance (NMR) spectrum of spin-3/2 nuclei in a static magnetic field aligned with one of the electric field gradient (EFG) principal axes is developed analytically, based on fictitious spin-1/2 formalism. Compact…

Superconductivity · Physics 2024-12-17 Jaafar N. Ansari , Karen L. Sauer

When spin-orbit torques are measured using spin-torque ferromagnetic resonance (ST-FMR), two alternative ways of analyzing the results to extract the torque efficiencies -- lineshape analysis and analysis of the change in linewidth versus…

Mesoscale and Nanoscale Physics · Physics 2021-06-16 Saba Karimeddiny , Daniel C. Ralph

Ferromagnetic resonance (FMR) driven spin pumping is an emerging technique for injection of a pure spin current from a ferromagnet (FM) into a non-magnetic (NM) material without an accompanying charge current. It is widely believed that…

The spin-noise spectroscopy (SNS) method implies high efficiency of conversion of the spin-system magnetization to the Faraday rotation angle. Generally, this efficiency cannot be estimated using the characteristics of the regular…

Mesoscale and Nanoscale Physics · Physics 2021-12-01 A. N. Kamenskii , G. G. Kozlov , E. I. Baibekov , B. Z. Malkin , M. Bayer , A. Greilich , V. S. Zapasskii

Experimental results of rectification of a constant wave radio frequency (RF) current flowing in a single-layered ferromagnetic wire are presented. We show that a detailed external magnetic field dependence of the RF current induced a…

Mesoscale and Nanoscale Physics · Physics 2007-10-12 A. Yamaguchi , K. Motoi , H. Miyajima , Y. Nakatani

Spintronic devices, such as non-volatile magnetic random access memories and logic devices, have attracted considerable attention as potential candidates for future high efficient data storage and computing technology. In a heavy metal or…

Materials Science · Physics 2018-08-01 Yi Wang , Rajagopalan Ramaswamy , Hyunsoo Yang

Ferromagnetic spintronics has been a main focus as it offers non-volatile memory and logic applications through current-induced spin-transfer torques. Enabling wider applications of such magnetic devices requires a lower switching current…

The generation of spin-orbital currents is crucial for advancing energy-efficient spintronic devices. Here, the intricate process involved in the generation and conversion of spin and orbital to charge currents in Zr(t=2, 3, 4.5, 6,…

Field-like spin orbit torque in FeMn/Pt bilayers with ultra-thin polycrystalline FeMn has been characterized through planar Hall effect measurements. A large effective field is obtained for FeMn in the thickness range of 2 to 5 nm. The…

Mesoscale and Nanoscale Physics · Physics 2016-10-05 Yumeng Yang , Yanjun Xu , Xiaoshan Zhang , Ying Wang , Shufeng Zhang , Run-Wei Li , Meysam Sharifzadeh Mirshekarloo , Kui Yao , Yihong Wu

In this paper, we test the performance of templates in detection and characterization of Spin-orbit resonant (SOR) binaries. We use precessing SEOBNRv3 waveforms as well as {\it four} numerical relativity (NR) waveforms to model GWs from…

We suggest a new pump-probe method for studying semiconductor spin dynamics based on pumping of carrier spins by a pulse of oscillating radiofrequency (rf) magnetic field and probing by measuring the Faraday rotation of a short laser pulse.…

Mesoscale and Nanoscale Physics · Physics 2019-04-26 V. V. Belykh , D. R. Yakovlev , M. Bayer

Magnetic nanotubes have garnered immense attention for their potential in high-density magnetic memory, owing to their stable flux closure configuration and fast, reproducible reversal processes. However, characterizing their magnetic…

Mesoscale and Nanoscale Physics · Physics 2024-08-20 Abhishek Kumar , Chirag Kalouni , Raghvendra Posti , Vivek K Malik , Dhananjay Tiwari , Debangsu Roy

We present a comprehensive theoretical and experimental study of voltage-controlled standing spin waves resonance (SSWR) in PMN-PT/NiFe multiferroic heterostructures patterned into microstrips. A spin-diode technique was used to observe…

Materials Science · Physics 2017-01-04 Slawomir Zietek , Jakub Checinski , Marek Frankowski , Witold Skowronski , Tomasz Stobiecki

Functional spintronic devices rely on spin-charge interconversion effects, such as the reciprocal processes of electric field-driven spin torque and magnetization dynamics-driven spin and charge flow. Both damping-like and field-like…

An experimental study of the in-plane azimuthal behaviour and frequency dependence of the ferromagnetic resonance field and the resonance linewidth as a function of BiFeO$_3$ thickness is carried out in a polycrystalline exchange-biased…

Materials Science · Physics 2016-09-21 J. Ben Youssef , J. Richy , N. Beaulieu , T. Hauguel , D. T. Dekadjevi , J-Ph. Jay , D. Spenato , S. P. Pogossian

Excited ferromagnets can pump spin angular momentum, along with possibly orbital angular momentum. Among elemental ferromagnets, Ni has been proposed to exhibit substantial orbital pumping relative to spin pumping. Here, we search for a…

Mesoscale and Nanoscale Physics · Physics 2025-09-16 Omolara A. Bakare , Galen T. Street , Sachli Abdizadeh , Rachel E. Maizel , Christoph Klewe , Satoru Emori

The electron spin in a semiconductor quantum dot can be coherently controlled by an external electric field, an effect called electric-dipole spin resonance (EDSR). Several mechanisms can give rise to the EDSR effect, among which there is a…

Mesoscale and Nanoscale Physics · Physics 2016-04-15 Rui Li

We use a 1.0-um-wide patterned Cu wire with an integrated nanomagnetic tip to measure the statistical nuclear polarization of 19F in CaF2 by magnetic resonance force microscopy (MRFM). With less than 350 uW of dissipated power, we achieve…

Other Condensed Matter · Physics 2007-06-27 M. Poggio , C. L. Degen , C. T. Rettner , H. J. Mamin , D. Rugar

Excitation spectra of square lattice Heisenberg antiferromagnets in magnetic fields are investigated by the spin-wave theory. It is pointed out that a rotonlike structure appears in a narrow range of magnetic fields, as a result of strong…

Strongly Correlated Electrons · Physics 2014-07-23 Yurika Kubo , Susumu Kurihara

We measure spin-orbit torque generated by exfoliated layers of the low-symmetry semi-metal ZrTe$_3$ using the spin-torque ferromagnetic resonance (ST-FMR) technique. When the ZrTe$_3$ has a thickness greater than about 10 nm, artifacts due…

Materials Science · Physics 2022-08-09 Thow Min Cham , Saba Karimeddiny , Vishakha Gupta , Joseph A. Mittelstaedt , Daniel C. Ralph