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A longstanding goal of research in semiconductor spintronics is the ability to inject, modulate, and detect electron spin in a single device. A simple prototype consists of a lateral semiconductor channel with two ferromagnetic contacts,…

In this letter, we present experimental data demonstrating spin wave interference detection using spin Hall effect (ISHE). Two coherent spin waves are excited in a yttrium-iron garnet (YIG) waveguide by continuous microwave signals. The…

Mesoscale and Nanoscale Physics · Physics 2024-06-19 Michael Balynskiy , Howard Chiang , David Gutierrez , Alexander Khitun

We report the first electrical manipulation and detection of the mesoscopic intrinsic spin-Hall effect (ISHE) in semiconductors through non-local electrical measurement in nano-scale H-shaped structures built on high mobility HgTe/HgCdTe…

Mesoscale and Nanoscale Physics · Physics 2008-12-22 C. Bruene , A. Roth , E. G. Novik , M. Koenig , H. Buhmann , E. M. Hankiewicz , W. Hanke , J. Sinova , L. W. Molenkamp

An intriguing feature of spintronics is the use of pure spin-currents to manipulate magnetization, e.g., spin-currents can switch magnetization in spin-torque MRAM, a next-generation DRAM alternative. Giant spin-currents via the spin Hall…

Mesoscale and Nanoscale Physics · Physics 2014-10-15 Mathias Weiler , Justin M. Shaw , Hans T. Nembach , Thomas J. Silva

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

Efforts to achieve efficient injection of spin-polarized electrons into a semiconductor, a key prerequisite for developing electronics that exploit the electron's spin degree of freedom, have so far met with limited success. Here we report…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Sarmita Majumder , Bartek Kardasz , George Kirczenow , Anthony SpringThorpe , Karen L. Kavanagh

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

Successful incorporation of the spin degree of freedom in semiconductor technology requires the development of a new paradigm allowing for a scalable, non-destructive electrical detection of the spin-polarization of injected charge carriers…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 J. Wunderlich , A. C. Irvine , Jairo Sinova , B. G. Park , X. L. Xu , B. Kaestner , V. Novak , T. Jungwirth

We report electrical detection of the dynamical part of the spin pumping current emitted during ferromagnetic resonance (FMR) using the inverse Spin Hall Effect (ISHE). The experiment is performed on a YIG$|$Pt bilayer. The choice of YIG, a…

Mesoscale and Nanoscale Physics · Physics 2013-11-26 Christian Hahn , Grégoire de Loubens , Michel Viret , Vladimir V. Naletov , J. Ben Youssef , Olivier Klein

We report on an all-electrical measurement of the spin Hall effect in epitaxial Fe/In_{x}Ga_{1-x}As heterostructures with n-type channel doping (Si) and highly doped Schottky tunnel barriers. A transverse spin current generated by an…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 E. S. Garlid , Q. O. Hu , M. K. Chan , C. J. Palmstrom , P. A. Crowell

Conversion of traveling magnons into an electron carried spin current is demonstrated in a time resolved experiment using a spatially separated inductive spin-wave source and an inverse spin Hall effect (ISHE) detector. A short spin-wave…

Mesoscale and Nanoscale Physics · Physics 2013-09-26 A. V. Chumak , A. A. Serga , M. B. Jungfleisch , R. Neb , D. A. Bozhko , V. S. Tiberkevich , B. Hillebrands

The phenomenon of Spin Hall Effect (SHE) generates a pure spin current transverse to an applied current in materials with strong spin-orbit coupling, although not detectable through conventional electrical measurement. An intuitive Hall…

Mesoscale and Nanoscale Physics · Physics 2024-04-08 Soumik Aon , Abu Bakkar Miah , Arpita Mandal , Harekrishna Bhunia , Dhananjaya Mahapatra , Partha Mitra

We report a novel spin injection and detection mechanism via the anomalous Hall effect in a ferromagnetic metal. The anomalous spin Hall effect (ASHE) refers to the transverse spin current generated within the ferromagnet. We utilize the…

Mesoscale and Nanoscale Physics · Physics 2017-12-27 K. S. Das , W. Y. Schoemaker , B. J. van Wees , I. J. Vera-Marun

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 report a novel mechanism for the electrical injection and detection of out-of-plane spin accumulation via the anomalous spin Hall effect (ASHE), where the direction of the spin accumulation can be controlled by manipulating the…

Mesoscale and Nanoscale Physics · Physics 2018-10-04 K. S. Das , J. Liu , B. J. van Wees , I. J. Vera-Marun

Spin transistors and spin Hall effects have been two separate leading directions of research in semiconductor spintronics which seeks new paradigms for information processing technologies. We have brought the two directions together to…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 J. Wunderlich , B. G. Park , A. C. Irvine , L. P. Zarbo , E. Rozkotova , P. Nemec , V. Novak , Jairo Sinova , T. Jungwirth

We experimentally show that exchange magnons can be detected using a combination of spin pumping and inverse spin-Hall effect (iSHE) proving its wavelength integrating capability down to the sub-micrometer scale. The magnons were injected…

We investigate the correlation between spin signals measured in three-terminal (3T) geometry by the Hanle effect and the spin accumulation generated in a semiconductor channel in a lateral (Ga,Mn)As/GaAs Esaki diode device. We…

Exploration of spin-currents in organic semiconductors (OSECs) induced by resonant microwave absorption in ferromagnetic substrates has been of great interest for potential spintronics applications. Due to the inherently weak spin-orbit…

We develop a method for universally resolving the important issue of separating the inverse spin Hall effect (ISHE) from spin rectification effect (SRE) signal. This method is based on the consideration that the two effects depend on the…

Materials Science · Physics 2016-10-04 Wenxu Zhang , Bin Peng , Fangbin Han , Qiuru Wang , Wee Tee Soh , C K Ong , Wanli Zhang
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