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A recently discovered mechanism of electric dipole spin resonance, mediated by the hyperfine interaction, is investigated experimentally and theoretically. The effect is studied using a spin-selective transition in a GaAs double quantum…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 E. A. Laird , C. Barthel , E. I. Rashba , C. M. Marcus , M. P. Hanson , A. C. Gossard

The inelastic scanning tunneling microscopy (STM) has been shown recently (Loth et al. Science 329, 1628 (2010)) to be extendable as to access the nanosecond, spin-resolved dynamics of magnetic adatoms and molecules. Here we analyze…

Atomic and Molecular Clusters · Physics 2015-06-04 Michael Schüler , Yaroslav Pavlyukh , Jamal Berakdar

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

It is shown that a pulsed current driven through Ni nanowires provokes an irreversible magnetization reversal at a field distant from the spontaneous switching field $H_{sw}$ by $\Delta H$ of as much as 40 % of $H_{sw}$. The state of the…

Materials Science · Physics 2009-10-31 J. -E. Wegrowe , D. Kelly , Ph. Guittienne , J-Ph. Ansermet

The understanding of spin dynamics in laterally confined structures on sub-micron length scales has become a significant aspect of the development of novel magnetic storage technologies. Numerous ferromagnetic resonance measurements,…

Mesoscale and Nanoscale Physics · Physics 2016-02-12 Matthias B. Jungfleisch , Wei Zhang , Junjia Ding , Wanjun Jiang , Joseph Sklenar , John E. Pearson , John B. Ketterson , Axel Hoffmann

Magnonics, i.e. the artificial manipulation of spin waves, is a flourishing field of research with many potential uses in data processing within reach. Apart from the technological applications the possibility to directly influence and…

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

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…

The problem of our understanding of the spin structure of the nucleon has been with us since the publication of the EMC measurements of the polarised structure function of the proton in 1987. In this talk a brief history of the subject is…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. J. Mulders , T. Sloan

A new era in fundamental physics began when pulsars were discovered in 1967. Soon it became clear that pulsars were useful tools for a wide variety of physical and astrophysical problems. Further applications became possible with the…

Astrophysics · Physics 2017-08-23 Michael Kramer

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

Millisecond pulsars, like pulsars, have led to major advances in many areas of astronomy and physics. The discovery in 2023 of a cosmological gravitational wave (GW) stochastic background using millisecond pulsar timing arrays has focused…

High Energy Astrophysical Phenomena · Physics 2024-06-26 A. C. S. Readhead

While the helical character of the edge channels responsible for charge transport in the quantum spin Hall regime of a two-dimensional topological insulator is by now well established, an experimental confirmation that the transport in the…

We experimentally investigate magnon-polaritons, arising in ferrimagnetic resonance experiments in a microwave cavity with a tuneable quality factor. To his end, we simultaneously measure the electrically detected spin pumping signal and…

Materials Science · Physics 2016-09-07 Hannes Maier-Flaig , Michael Harder , Rudolf Gross , Hans Huebl , Sebastian T. B. Goennenwein

Pulsed Dynamic Nuclear Polarization (DNP) is currently receiving substantial interest as a means to enhance the sensitivity of nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) by orders of magnitude. It has also…

Mechanical resonators operating in the high-frequency regime have become a versatile platform for fundamental and applied quantum research. Their exceptional properties, such as low mass and high quality factor, make them also very…

Mesoscale and Nanoscale Physics · Physics 2023-11-29 Diego A. Visani , Letizia Catalini , Christian L. Degen , Alexander Eichler , Javier del Pino

The injection, propagation and detection of spin currents are essential physical processes in spintronics. So far, the separation of charge and spin currents was facilitated by the electrical spin injection from a ferromagnet (FM) or the…

Spin pumping is an interfacial spin current generation from the ferromagnetic layer to the non-magnetic metal at its interface. The polarization of the pumped spin current $\textbf{J}_s \propto \textbf{m}\times \dot{\textbf{m}}$ depends on…

Mesoscale and Nanoscale Physics · Physics 2023-10-25 Adam B. Cahaya

Spin is an intrinsically quantum property, characterized by angular momentum. A change in the spin state is equivalent to a change in the angular momentum or mechanical torque. This spin-induced torque has been invoked as the intrinsic…

Mesoscale and Nanoscale Physics · Physics 2009-09-30 Guiti Zolfagharkhani , Alexei Gaidarzhy , Pascal Degiovanni , Stefan Kettemann , Peter Fulde , Pritiraj Mohanty

We present a method to quantify the spin Hall angle (SHA) with spin pumping and microwave photoresistance measurements. With this method, we separate the inverse spin Hall effect (ISHE) from other unwanted effects for permalloy/Pt bilayers…

Mesoscale and Nanoscale Physics · Physics 2012-07-10 Z. Feng , J. Hu , L. Sun , B. You , D. Wu , J. Du , W. Zhang , A. Hu , Y. Yang , D. M. Tang , B. S. Zhang , H. F. Ding
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