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Electrical detection of the 180 deg spin reversal, which is the basis of the operation of ferromagnetic memories, is among the outstanding challenges in the research of antiferromagnetic spintronics. Analogous effects to the ferromagnetic…

A spin-torque ferromagnetic resonance study is performed in epitaxial $\mathrm{Fe / Ir_{15}Mn_{85}}$ bilayers with different Fe thicknesses. We measure a negative spin-Hall angle of a few percent in the antiferromagnetic IrMn in contrast to…

Mesoscale and Nanoscale Physics · Physics 2018-01-04 V. Tshitoyan , P. Wadley , M. Wang , A. W. Rushforth , A. J. Ferguson

Here, we investigate spin Hall angle of Pt in Ni80Fe20/Pt bilayer system by using a broadband spin pumping and inverse spin Hall effect measurement. An out-of-plane excitation geometry with application of external magnetic field…

Materials Science · Physics 2017-09-13 Surbhi Gupta , Rohit Medwal , Daichi Kodama , Kouta Kondou , YoshiChika Otani , Yasuhiro Fukuma

The purpose of this article is to review the current status of a frontier in dynamic spintronics and contemporary magnetism, in which much progress has been made in the past decade, based on the creation of a variety of micro- and…

Materials Science · Physics 2016-11-17 Michael Harder , Yongsheng Gui , Can-Ming Hu

Just as electronic shot noise in driven conductors results from the granularity of charge and the statistical variation in the arrival times of charge carriers, there are predictions for fundamental noise in magnon currents due to angular…

Mesoscale and Nanoscale Physics · Physics 2024-03-18 Renjie Luo , Xuanhan Zhao , Tanner J. Legvold , Liyang Chen , Changjiang Liu , Deshun Hong , Anand Bhattacharya , Douglas Natelson

We investigate spin-rectification phenomena in canted antiferromagnets, closely connected to the family of altermagnetic materials. Our results show that excitation efficiency is significantly enhanced by the Dzyaloshinskii-Moriya…

Mesoscale and Nanoscale Physics · Physics 2024-10-11 A. El Kanj , S. Mantion , I. Boventer , P. Bortolotti , V. Cros , A. Anane , O. Gomonay , R. Lebrun

The generation, manipulation and detection of spin-polarized electrons in nanostructures define the main challenges of spin-based electronics[1]. Amongst the different approaches for spin generation and manipulation, spin-orbit coupling,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Sergio O. Valenzuela , M. Tinkham

Spin pumping is a mechanism that generates spin currents from ferromagnetic resonance (FMR) over macroscopic interfacial areas, thereby enabling sensitive detection of the inverse spin Hall effect that transforms spin into charge currents…

Other Condensed Matter · Physics 2015-05-20 O. Mosendz , V. Vlaminck , J. E. Pearson , F. Y. Fradin , G. E. W. Bauer , S. D. Bader , A. Hoffmann

An oscillographic study of the Hall voltage with an unpolarized alternating current through a platinum sample revealed choral features of the Hall effect, which clearly demonstrate the presence of the spin Hall effect in metals with a…

Mesoscale and Nanoscale Physics · Physics 2021-01-27 Yu. N. Chiang , M. O. Dzyuba

DC current induced magnetization reversal and magnetization oscillation was observed in 500 nm large size Co90Fe10/Cu/Ni80Fe20 pillars. A perpendicular external field enhanced the coercive field separation between the reference layer…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 Linqiang Luo , Mehdi Kabir , Nam Dao , Salinporn Kittiwatanakul , Michael Cyberey , Stuart A. Wolf , Mircea Stan , Jiwei Lu

The emergence of two-dimensional (2D) layered magnetic materials has opened an exciting playground for both fundamental studies of magnetism in 2D and explorations of spinbased applications. Remarkable properties, including spin filtering…

Mesoscale and Nanoscale Physics · Physics 2021-02-02 Xiao-Xiao Zhang , Lizhong Li , Daniel Weber , Joshua Goldberger , Kin Fai Mak , Jie Shan

The dynamic coupling between spin and charge currents in non-magnetic conductors is considered. As a consequence of this coupling, the spin dynamics is directly reflected in the electrical impedance of the sample, with a relevant frequency…

Mesoscale and Nanoscale Physics · Physics 2019-08-14 P. S. Alekseev , M. I. Dyakonov

Efficient detection of spin-charge conversion is crucial for advancing our understanding of emergent phenomena in spin-orbit-coupled nanostructures. Here, we provide proof of principle of an electrical detection scheme of spin-charge…

Mesoscale and Nanoscale Physics · Physics 2020-06-16 Stuart A. Cavill , Chunli Huang , Manuel Offidani , Yu-Hsuan Lin , Miguel A. Cazalilla , Aires Ferreira

We have studied current-driven domain wall motion in modified Ga_0.95Mn_0.05As Hall bar structures with perpendicular anisotropy by using spatially resolved Polar Magneto-Optical Kerr Effect Microscopy and micromagnetic simulation.…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 K. Y. Wang , A. C. Irvine , R. P. Campion , C. T. Foxon , J. Wunderlich , D. A. Williams , B. L. Gallagher

The spin Hall effect in heavy-metal thin films is routinely employed to convert charge currents into transverse spin currents and can be used to exert torque on adjacent ferromagnets. Conversely, the inverse spin Hall effect is frequently…

The use of the spin Hall effect and its inverse to electrically detect and manipulate dynamic spin currents generated via ferromagnetic resonance (FMR) driven spin pumping has enabled the investigation of these dynamically injected currents…

The dc voltage obtained from the inverse spin Hall effect (iSHE) due to spin pumping in ferromagnet/normal-metal (NM) bilayers can be unintentionally superimposed with magnetoresistive rectification of ac charge currents in the…

Mesoscale and Nanoscale Physics · Physics 2014-12-08 Mathias Weiler , Justin M. Shaw , Hans T. Nembach , Thomas J. Silva

We present a simple technique using a cavity-based resonance spectrometer to quantify the anti-damping torque due to the spin Hall effect. Modification of ferromagnetic resonance is observed as a function of small DC current in sub-mm-wide…

Over the last two decades organic spintronics has developed into a striving field with exciting reports of long spin diffusion lengths and spin relaxation times in organic semiconductors (OSCs). Easily processed and inexpensive, OSCs are…

Mesoscale and Nanoscale Physics · Physics 2021-08-30 Piotr Skalski , Olga Zadvorna , Deepak Venkateshvaran , Henning Sirringhaus