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Electrically detected electron spin resonance (ESR) is used to study the hyperfine interaction of the two-dimensional electrons and the nuclei of the host lattice in a GaAs/AlGaAs heterostructure. Under the microwave and radio- frequency…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Chris Hillman , H. W. Jiang

We demonstrate fast universal electrical spin manipulation with inhomogeneous magnetic fields. With fast Rabi frequency up to 127 MHz, we leave the conventional regime of strong nuclear-spin influence and observe a spin-flip fidelity > 96%,…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 J. Yoneda , T. Otsuka , T. Nakajima , T. Takakura , T. Obata , M. Pioro-Ladrière , H. Lu , C. Palmstrøm , A. C. Gossard , S. Tarucha

In the last decade, detecting spin dynamics at the atomic scale has been enabled by combining techniques like electron spin resonance (ESR) or pump-probe spectroscopy with scanning tunneling microscopy (STM). Here, we demonstrate an…

We propose a model to account for the observed ESR-like signal at the Larmor frequency in the current noise STM experiments identifying spin centers on various substrates. The theoretical understanding of this phenomenon, which allows for…

Mesoscale and Nanoscale Physics · Physics 2014-02-19 Alvaro Caso , Baruch Horovitz , Liliana Arrachea

Very recently, the electric dipole spin resonance (EDSR) of single electrons in quantum dots was discovered by three independent experimental groups. Remarkably, these observations revealed three different mechanisms of EDSR: coupling of…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Emmanuel I. Rashba

Electron spins in single molecules are a promising platform for quantum information processing. However, their practical implementation as qubits requires reliable control at the single-entity level, including an efficient state…

We present a comprehensive theoretical and experimental study of voltage-controlled standing spin waves resonance (SSWR) in PMN-PT/NiFe multiferroic heterostructures patterned into microstrips. A spin-diode technique was used to observe…

Materials Science · Physics 2017-01-04 Slawomir Zietek , Jakub Checinski , Marek Frankowski , Witold Skowronski , Tomasz Stobiecki

We address the problem of electronic and nuclear spin resonance of an individual atom on a surface driven by a scanning tunnelling microscope. Several mechanisms have been proposed so far, some of them based on the modulation of exchange…

Mesoscale and Nanoscale Physics · Physics 2019-12-25 Alejandro Ferrón , Santiago A. Rodríguez , Sergio S. Gómez , Jose L. Lado , Joaquín Fernández-Rossier

Control over quantum systems is typically achieved by time-dependent electric or magnetic fields. Alternatively, electronic spins can be controlled by spin-polarized currents. Here we demonstrate coherent driving of a single spin by a…

Mesoscale and Nanoscale Physics · Physics 2024-06-26 Stepan Kovarik , Richard Schlitz , Aishwarya Vishwakarma , Dominic Ruckert , Pietro Gambardella , Sebastian Stepanow

We establish a testbed system for the development of high-sensitivity Electron Spin Resonance (ESR) techniques for small samples at cryogenic temperatures. Our system consists of a Niobium Nitride thin-film planar superconducting…

We report on magnetization and electron spin resonance (ESR) measurements of Sr$_{2}$VO$_4$ with orthorhombic symmetry. In this dimer system the $V^{4+}$ ions are in tetrahedral environment and are coupled by an antiferromagnetic…

Electron spin resonance scanning tunneling microscopy (ESR-STM) has become a powerful tool for probing spin dynamics and coherence of individual atoms and molecules on surfaces. In this work, we perform Rabi oscillation and Hahn echo pulse…

Mesoscale and Nanoscale Physics · Physics 2026-03-30 Paul Greule , Wantong Huang , Máté Stark , Kwan Ho Au-Yeung , Christoph Wolf , Soo-hyon Phark , Andreas J. Heinrich , Philip Willke

We investigate collective spin excitations in graphene with proximity-induced spin-orbit coupling (SOC) of the Rashba and valley-Zeeman types, as it is the case, e.g., for graphene on transition- metal-dichalcogenide substrates. It is shown…

Strongly Correlated Electrons · Physics 2021-11-03 Abhishek Kumar , Saurabh Maiti , Dmitrii L. Maslov

Coherent control of individual molecular spins in nano-devices is a pivotal prerequisite for fulfilling the potential promised by molecular spintronics. By applying electric field pulses during time-resolved electron spin resonance…

The electron spin resonance (ESR) of two-dimensional electrons is investigated in a gated GaAs/AlGaAs heterostructure. We found that the ESR resonance frequency can be turned by means of a gate voltage. The front and back gates of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 H. W. Jiang , E. Yablonovitch

Coherent spin resonance methods, such as nuclear magnetic resonance and electron spin resonance spectroscopy, have led to spectrally highly sensitive, non-invasive quantum imaging techniques. Here, we propose a pump-probe spin resonance…

Quantum Physics · Physics 2024-12-02 Philipp Haslinger , Stefan Nimmrichter , Dennis Rätzel

It is proved on the example of electron spin resonance (ESR) studies of anthracites, that by strong electron-photon and electron-phonon interactions the formation of the coherent system of the resonance phonons takes place. The acoustic…

Quantum Physics · Physics 2015-01-29 Dmitri Yerchuck , Vyacheslav Stelmakh , Yauhen Yerchak , Alla Dovlatova

ESR-STM is an emerging technique which is capable of detecting the precession of a single spin. We discuss the mechanism of ESR-STM based on a direct exchange coupling between the tunneling electrons and the local precessing spin S. We…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 A. V. Balatsky , Yishay Manassen , Ran Salem

In this work, we demonstrate the use of frequency-tunable superconducting NbTiN coplanar waveguide microresonators for multi-frequency pulsed electron spin resonance (ESR) experiments. By applying a bias current to the center pin, the…

Quantum Physics · Physics 2017-07-19 A. T. Asfaw , A. J. Sigillito , A. M. Tyryshkin , T. Schenkel , S. A. Lyon

While traditionally considered a deleterious effect in quantum dot spin qubits, the spin-orbit interaction is recently being revisited as it allows for rapid coherent control by on-chip AC electric fields. For electrons in bulk silicon, SOC…