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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…

介观与纳米尺度物理 · 物理学 2021-08-30 Piotr Skalski , Olga Zadvorna , Deepak Venkateshvaran , Henning Sirringhaus

Conversions between spin and charge currents are core technologies in recent spintronics. In this article, we provide methods for estimating inverse spin Hall effects (ISHEs) induced by using microwave-driven spin pumping (SP) as a…

材料科学 · 物理学 2016-12-21 Ryo Iguchi , Eiji Saitoh

Pure spin current based research is mostly focused on ferromagnet (FM)/heavy metal (HM) system. Because of the high spin orbit coupling (SOC) these HMs exhibit short spin diffusion length and therefore possess challenges for device…

介观与纳米尺度物理 · 物理学 2021-11-09 Purbasha Sharangi , Braj Bhusan Singh , Sagarika Nayak , Subhankar Bedanta

We report an intrinsic form of the inverse spin Hall effect (ISHE) in ferromagnetic (FM) metal with Rashba spin orbit coupling (RSOC), which is driven by a normal charge current. Unlike the conventional form, the ISHE can be induced without…

介观与纳米尺度物理 · 物理学 2012-03-01 M. -J. Xing , M. B. A. Jalil , Seng Ghee Tan , Y. Jiang

Large charge-to-spin conversion (spin Hall angle) and spin Hall conductivity are prerequisites for development of next generation power efficient spintronic devices. In this context, heavy metals (e.g. Pt, W etc.), topological insulators,…

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…

介观与纳米尺度物理 · 物理学 2013-11-26 Christian Hahn , Grégoire de Loubens , Michel Viret , Vladimir V. Naletov , J. Ben Youssef , Olivier Klein

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…

介观与纳米尺度物理 · 物理学 2014-10-15 Mathias Weiler , Justin M. Shaw , Hans T. Nembach , Thomas J. Silva

Using circularly polarized light is an alternative to electronic ways for spin injection into materials. Spins are injected at a point of the light illumination, and then diffuse and spread radially due to the in-plane gradient of the spin…

介观与纳米尺度物理 · 物理学 2020-04-29 Di Fan , Rei Hobara , Ryota Akiyama , Shuji Hasegawa

An inverse spin Hall effect (ISHE) in n-type silicon was observed experimentally when conduction electrons were scattered on the spin-orbit potential of bismuth. The spin current in the silicon layer was generated by excitation of the…

介观与纳米尺度物理 · 物理学 2020-05-27 A. A. Ezhevskii , D. V. Guseinov , A. V. Soukhorukov , A. V. Novikov , D. V. Yurasov , N. S. Gusev

Complex oxide heterostructures are hot candidates for post CMOS multi-functional devices. Especially in spintronics applications ferromagnetic oxides may play a key role because they can exhibit extraordinary high spin polarization. Indeed,…

材料科学 · 物理学 2016-08-08 M. Wahler , N. Homonnay , T. Richter , A. Müller , B. Fuhrmann , G. Schmidt

We present measurements of inverse spin Hall effects (ISHEs) in which the conversion of a spin current into a charge current via the ISHE is detected not as a voltage in a standard open circuit but directly as the charge current generated…

介观与纳米尺度物理 · 物理学 2014-06-24 Y. Omori , F. Auvray , T. Wakamura , Y. Niimi , A. Fert , Y. Otani

The polarization of the spin current pumped by a precessing ferromagnet into an adjacent normal metal has a constant component parallel to the precession axis and a rotating one normal to the magnetization. The former component is now…

介观与纳米尺度物理 · 物理学 2012-10-03 HuJun Jiao , Gerrit E. W. Bauer

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…

介观与纳米尺度物理 · 物理学 2024-06-19 Michael Balynskiy , Howard Chiang , David Gutierrez , Alexander Khitun

The realization of a viable semiconductor transistor and information processing devices based on the electron spin has fueled intense basic research of three key elements: injection, detection, and manipulation of spins in the semiconductor…

介观与纳米尺度物理 · 物理学 2012-02-07 K. Olejnik , J. Wunderlich , A. C. Irvine , R. P. Campion , V. P. Amin , Jairo Sinova , T. Jungwirth

The spin-Seebeck effect (SSE) in ferromagnetic metals and insulators has been investigated systematically by means of the inverse spin-Hall effect (ISHE) in paramagnetic metals. The SSE generates a spin voltage as a result of a temperature…

材料科学 · 物理学 2012-06-26 K. Uchida , T. Ota , H. Adachi , J. Xiao , T. Nonaka , Y. Kajiwara , G. E. W. Bauer , S. Maekawa , E. Saitoh

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…

介观与纳米尺度物理 · 物理学 2008-12-22 C. Bruene , A. Roth , E. G. Novik , M. Koenig , H. Buhmann , E. M. Hankiewicz , W. Hanke , J. Sinova , L. W. Molenkamp

The spin-orbit interaction couples the electrons' motion to their spin. Accordingly, passing a current in a material with strong spin-orbit coupling generates a transverse spin current (spin Hall effect, SHE) and vice-versa (inverse spin…

The spin Hall effect (SHE) is an important spintronics phenomenon, which allows transforming a charge current into a spin current and vice versa without the use of magnetic materials or magnetic fields. To gain new insight into the physics…

The spin Hall effect (SHE) is one of the promising phenomena to utilize a spin current as spintronics devices, and the theoretical understanding of its microscopic mechanism is essential to know how to control its response. Although the SHE…

介观与纳米尺度物理 · 物理学 2016-02-03 Tomonari Mizoguchi , Naoya Arakawa

The optical spin Hall effect (OSHE) is a transport phenomenon of exciton polaritons in semiconductor microcavities, caused by the polaritonic spin-orbit interaction, that leads to the formation of spin textures. In the semiconductor cavity,…

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