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Related papers: Detection of the microwave spin pumping using the …

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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,…

Inverse spin Hall effect (ISHE) allows the conversion of pure spin current into charge current in nonmagnetic materials (NM) due to spin-orbit interaction (SOI). In ferromagnetic materials (FM), SOI is known to contribute to anomalous Hall…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Ayaka Tsukahara , Yuichiro Ando , Yuta Kitamura , Hiroyuki Emito , Eiji Shikoh , Michael P. Delmo , Teruya Shinjo , Masashi Shiraishi

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…

Mesoscale and Nanoscale Physics · Physics 2014-06-24 Y. Omori , F. Auvray , T. Wakamura , Y. Niimi , A. Fert , Y. Otani

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

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

We measure electrically detected ferromagnetic resonance in microdevices patterned from ultra-thin Co/Pt bilayers. Spin pumping and rectification voltages are observed and distinguished via their angular dependence. The spin-pumping voltage…

Mesoscale and Nanoscale Physics · Physics 2013-04-22 T. D. Skinner , H. Kurebayashi , D. Fang , D. Heiss , A. C. Irvine , A. T. Hindmarch , M. Wang , A. W. Rushforth , A. J. Ferguson

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…

Mesoscale and Nanoscale Physics · Physics 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…

Mesoscale and Nanoscale Physics · Physics 2020-05-27 A. A. Ezhevskii , D. V. Guseinov , A. V. Soukhorukov , A. V. Novikov , D. V. Yurasov , N. S. Gusev

We report spin-current generation related with skyrmion dynamics resonantly excited by a microwave in a helimagnetic insulator $\mathrm{Cu_2OSeO_3}$. A Pt layer was fabricated on $\mathrm{Cu_2OSeO_3}$ and voltage in the Pt layer was…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Daichi Hirobe , Yuki Shiomi , Yuhki Shimada , Jun-ichiro Ohe , Eiji Saitoh

Spin-transfer torque and spin Hall effects combined with their reciprocal phenomena, spin-pumping and inverse spin Hall (ISHE) effects, enable the reading and control of magnetic moments in spintronics. The direct observation of these…

In spinelectronics the spin degree of freedom is used to transmit and store information. Ideally this occurs without net charge currents in order to avoid energy dissipation due to Joule heating. To this end the ability to create pure spin…

Mesoscale and Nanoscale Physics · Physics 2014-10-27 Dahai Wei , Martin Obstbaum , Christian Back , Georg Woltersdorf

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

The inverse spin Hall effect used for detection of spin currents was observed by voltage measurements in bilayers of normal metal (NM)/ferromagnetic metal (FM), using Nb, Mo and Bi as normal metal and Permalloy (Py, Ni$_{81}$Fe$_{19}$) as…

Mesoscale and Nanoscale Physics · Physics 2024-03-28 David Ley Dominguez , Jose Andres Matutes Aquino

We systematically measured the DC voltage V_ISH induced by spin pumping together with the inverse spin Hall effect in ferromagnet/platinum bilayer films. In all our samples, comprising ferromagnetic 3d transition metals, Heusler compounds,…

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…

A single layer ferromagnetic film magnetized in the plane of an ac current flow, exhibits a characteristic Hall voltage with harmonic and second harmonic components, which is attributed to the presence of spin currents with polarization…

Mesoscale and Nanoscale Physics · Physics 2024-05-07 Soumik Aon , Harekrishna Bhunia , Pratap Kumar Pal , Abu Bakkar Miah , Dhananjaya Mahapatra , Anjan Barman , Partha Mitra

A Comment on Phys. Rev. Lett. 111, 217204 (2013), "Detection of Microwave Spin Pumping Using the Inverse Spin Hall Effect"

Materials Science · Physics 2014-01-27 Mathias Weiler , Hans T. Nembach , Justin M. Shaw , Thomas J. Silva

The molecular-based ferrimagnetic insulator V(TCNE)x has gained recent interest for efficient spin-wave excitation due to its low Gilbert damping ratio a=4E-5, and narrow ferromagnetic resonance linewidth f=1Oe. Here we report a clean spin…

Materials Science · Physics 2024-04-01 Zichen Wang , Seth Kurfman , Sarah Ursel , E. Johnston-Halperin , Henning Sirringhaus

We theoretically study the equilibrium spin current fluctuations and the corresponding charge noise generated by inverse spin Hall effect (ISHE) in a metal with strong spin-orbit coupling deposited on top of a quantum paramagnet. It is…

Strongly Correlated Electrons · Physics 2018-08-08 Darshan G. Joshi , Andreas P. Schnyder , So Takei

Microwave assisted magnetization reversal has been investigated in a bilayer system of Pt/ferromagnet by detecting a change in the polarity of the spin pumping signal. The reversal process is studied in two material systems, Pt/CoFeB and…