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Electrically Detected Magnetic Resonance (EDMR) was used to study a series of multilayer organic devices based on aluminum (III) 8-hydroxyquinoline. These devices were designed to identify the micoscopic origin of different spin dependent…

Materials Science · Physics 2015-06-24 G. B. Silva , C. F. O. Graeff , F. Nuesch , L. Zuppiroli

Magnetic clock transitions (CTs), defined by vanishing first-order sensitivity of the transition frequency to magnetic field fluctuations, provide a powerful route to suppress decoherence in donor spin systems. Here, we present the…

Full electric-field control of spin orientations is one of the key tasks in semiconductor spintronics. We demonstrate that electric field pulses can be utilized for phase-coherent +/- pi spin rotation of optically generated electron spin…

Materials Science · Physics 2012-10-05 S. Kuhlen , K. Schmalbuch , M. Hagedorn , P. Schlammes , M. Patt , M. Lepsa , G. Güntherodt , B. Beschoten

In the 1970s a new paradigm was introduced that interacting quenched systems, such as a spin-glass, have a phase transition in which long time memory of spatial patterns is realized without spatial correlations. The principal methods to…

We present general expressions for the magnetic transition rates in beam Electron Paramagnetic Resonance (EPR) experiments of anisotropic spin systems in the solid state. The expressions apply to general spin centers and arbitrary…

Mesoscale and Nanoscale Physics · Physics 2015-01-14 Joscha Nehrkorn , Alexander Schnegg , Karsten Holldack , Stefan Stoll

We report on a single photon and spin storage device based on a semiconductor quantum dot molecule. Optically excited single electron-hole pairs are trapped within the molecule and their recombination rate is electrically controlled over…

Quantum Physics · Physics 2015-05-28 A. Boyer de la Giroday , N. Skold , R. M. Stevenson , I. Farrer , D. A. Ritchie , A. J. Shields

The polarization of conduction electron spins due to an electrical current is observed in strained nonmagnetic semiconductors using static and time-resolved Faraday rotation. The density, lifetime, and orientation rate of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Y. Kato , R. C. Myers , A. C. Gossard , D. D. Awschalom

We present a broadband microwave setup for electrically detected magnetic resonance (EDMR) based on microwave antennae with the ability to apply arbitrarily shaped pulses for the excitation of electron spin resonance (ESR) and nuclear…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 F. M. Hrubesch , G. Braunbeck , A. Voss , M. Stutzmann , M. S. Brandt

We report optically detected magnetic resonance (ODMR) measurements of an ensemble of spin-1 negatively charged boron vacancies in hexagonal boron nitride. The photoluminescence decay rates are spin-dependent, with inter-system crossing…

Spin-orbit (SO) interaction critically influences electron spin dynamics and spin transport in bulk semiconductors and semiconductor microstructures. This interaction couples electron spin to dc and ac electric fields. Spin coupling to ac…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Emmanuel I. Rashba

We investigate the spin-dependent dynamical response of a semiconductor quantum ring with a spin orbit interaction (SOI) upon the application of a single and two linearly polarized, picosecond, asymmetric electromagnetic pulses in the…

Mesoscale and Nanoscale Physics · Physics 2010-09-27 Zhen-Gang Zhu , Jamal Berakdar

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

When spin relaxation is governed by spontaneous emission of a photon into the resonator used for signal detection (the Purcell effect), the relaxation time $T_1$ depends on the spin-resonator frequency detuning $\delta$ and coupling…

Dynamical information on spin degrees of freedom of proteins or solids can be obtained by Nuclear Magnetic Resonance (NMR) and Electron Spin Resonance (ESR). A technique with similar versatility for charge degrees of freedom and their…

Superconductivity · Physics 2013-02-21 B. Mansart , J. Lorenzana , A. Mann , A. Odeh , M. Scarongella , M. Chergui , F. Carbone

We describe the first precision measurement of the electron's electric dipole moment (eEDM, $d_e$) using trapped molecular ions, demonstrating the application of spin interrogation times over 700 ms to achieve high sensitivity and stringent…

The ability to control spins in semiconductors is important in a variety of fields including spintronics and quantum information processing. Due to the potentially fast dephasing times of spins in the solid state [1-3], spin control…

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

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

The magnetic interactions between the spin of an unpaired electron and the surrounding nuclear spins can be exploited to gain structural information, to reduce nuclear relaxation times as well as to create nuclear hyperpolarization via…

Exclusive baryon pair production through the radiative return is a unique tool to determine the electric and the magnetic form factors in the timelike region over a wide range of energies. The decay of lambda-baryons into p + pi- can be…

High Energy Physics - Phenomenology · Physics 2008-11-26 Henryk Czyz , Agnieszka Grzelinska , Johann H. Kuhn