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We describe electrical detection of spin pumping in metallic nanostructures. In the spin pumping effect, a precessing ferromagnet attached to a normal-metal acts as a pump of spin-polarized current, giving rise to a spin accumulation. The…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 M. V. Costache , S. M. Watts , C. H. van der Wal , B. J. van Wees

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

We present a theoretical analysis of current driven ferromagnetic resonance in a ferromagnet/normal-metal/ferromagnet tri-layer. This method of driving ferromagnetic resonance was recently realized experimentally by Tulapurkar et al.…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Joern N. Kupferschmidt , Shaffique Adam , Piet W. Brouwer

A ferromagnet can resonantly absorbs rf radiation to sustain a steady precession of the magnetization around an internal or applied magnetic field. We show that under these ferromagnetic resonance (FMR) conditions, a dc voltage is generated…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Xuhui Wang , Gerrit E. W. Bauer , Bart J. van Wees , Arne Brataas , Yaroslav Tserkovnyak

We investigate the dc electric response induced by ferromagnetic resonance in ferromagnetic Permalloy (Ni80Fe20) microstrips. The resulting magnetization precession alters the angle of the magnetization with respect to both dc and rf…

Strongly Correlated Electrons · Physics 2008-04-10 N. Mecking , Y. S. Gui , C. -M. Hu

We report the rectifying effect of a constant-wave radio frequency (RF) current by a magnetic domain wall (DW) on a single-layered ferromagnetic wire. A direct-current (DC) voltage is generated by the spin torque diode effect, which is a…

Materials Science · Physics 2007-06-13 A. Yamaguchi , T. Ono , Y. Suzuki , S. Yuasa , H. Miyajima

An anomalous Hall effect and rectification of a Hall voltage are observed by applying a radio-frequency (rf) current through a single-layered ferromagnetic wire located on a coplanar waveguide. The components of the magnetization…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 A. Yamaguchi , K. Motoi , A. Hirohata , H. Miyajima

The broadband ferromagnetic resonance measurement using the rectifying effect of Ni81Fe19 wire has been investigated. One wire is deposited on the center strip line of the coplanar waveguide (CPW) and the other one deposited between two…

Materials Science · Physics 2009-11-13 A. Yamaguchi , K. Motoi , H. Miyajima , Y. Miyashita , Y. Sanada

We report the rectification of a constant wave radio frequency (RF) current by using a single-layer magnetic nanowire; a direct-current voltage is resonantly generated when the RF current flows through the nanowire. The mechanism of the…

Materials Science · Physics 2009-11-11 A. Yamaguchi , H. Miyajima , T. Ono , Y. Suzuki , S. Yuasa , A. Tulapurkar , Y. Nakatani

Coupling different physical properties is a fascinating subject of physics. Already well-known are the multiferroics which show properties of ferroelectrics and magnets. But ferroelectricity by itself also entails the bulk photovoltaic…

Mesoscale and Nanoscale Physics · Physics 2019-08-23 Yang Zhang , Tobias Holder , Hiroaki Ishizuka , F. de Juan , Naoto Nagaosa , Claudia Felser , Binghai Yan

We study the effect of the ferromagnetic (FM) contacts on the spin accumulation in the lateral spin valve system for the collinear magnetization configurations. When an additional FM electrode is introduced in the all-metallic lateral…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Tae-Suk Kim , B. C. Lee , Hyun-Woo Lee

Spintronic rf detectors were demonstrated, recently, for energy harvesting and wireless communication at low input power. Here we report on the optimization of the rectified output dc voltage using magnetic tunnel junctions (MTJ) with…

Mesoscale and Nanoscale Physics · Physics 2022-01-26 A. Sidi El Valli , V. Iurchuk , G. Lezier , I. Bendjeddou , R. Lebrun , N. Lamard , A. Litvinenko , J. Langer , J. Wrona , L. Vila , R. Sousa , I. L. Prejbeanu , B. Dieny , U. Ebels

We study the angular dependence of ferromagnetic resonance (FMR) in Ni$_{36}$Fe$_{64}$ wires using both traditional microwave-absorption and electrical-detection techniques. In our experiments we apply a static magnetic field at an angle…

Materials Science · Physics 2023-07-19 Qiang Gao , Maxim Tsoi

Quantifying spin-orbital-to-charge conversion efficiency is crucial for spin-orbitronics. Two widely used methods for determining these efficiencies are based on ferromagnetic resonance (FMR), spin pumping FMR for the inverse effect, and…

Materials Science · Physics 2026-02-17 Melissa Yactayo , Michel Hehn , J. -C. Rojas-Sánchez , Sébastien Petit-Watelot

We present a frequency-domain study of the dynamic behavior of a magnetic vortex core within a single Permalloy disk by means of electrical detection and micromagnetic simulations. When exciting the vortex core dynamics in a non-linear…

Mesoscale and Nanoscale Physics · Physics 2022-12-19 Lakshmi Ramasubramanian , Vadym Iurchuk , Serhii Sorokin , Olav Hellwig , Alina Maria Deac

The bulk photovoltaic effect that is intimately associated with crystalline symmetry has been extensively studied in various nonmagnetic materials, especially ferroelectrics with a switchable electric polarization. In order to further…

Materials Science · Physics 2022-12-28 Chunmei Zhang , Ping Guo , Jian Zhou

Upon passing an a.c. electrical current along magnetic micro- or nanostrips, the measurement of a d.c. voltage that depends sensitively on current frequency and applied field has been recently reported by A. Yamaguchi and coworkers. It was…

Other Condensed Matter · Physics 2009-11-13 Andre Thiaville , Yoshinobu Nakatani

In nanocontacts between normal and ferromagnetic metals (N--F) abrupt changes of the order of 1% are detected in differential resistance, dV/dI(V), versus bias voltage, V, on achieving of high current densities, ~10^9 A/cm^2. These features…

This paper presents a study of dc photocurrents in biased insulators to the third order in the electric field. We find three photocurrents which are characterized by physical divergences of the third-order free-electron polarization…

Mesoscale and Nanoscale Physics · Physics 2019-08-07 Benjamin M. Fregoso

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
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