Spin coherence in two-dimensional materials
WebWe investigated the spin coherence of high-mobility two-dimensional electron gases confined in multilayer GaAs quantum wells. The dynamics of the spin polarization was optically studied using pump-probe techniques: time-resolved Kerr rotation and resonant spin amplification. For double and triple quantum wells doped beyond the metal-to … WebDec 27, 2024 · Here, the coherent spin dynamics in Ruddlesden–Popper (PEA) 2 PbI 4 perovskites is investigated by picosecond pump–probe Kerr rotation in an external magnetic field. The Larmor spin precession of …
Spin coherence in two-dimensional materials
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WebSpin coherence in two-dimensional materials Meng Ye 1 , Hosung Seo 1,2,3,4 and Giulia Galli 1,2,5,6 Spin defects in semiconducting solids are promising platforms for the realization of quantum bits. WebAug 28, 2024 · We report the charge carrier recombination rate and spin coherence lifetimes in single crystals of two-dimensional (2D) Ruddlesden–Popper perovskites PEA 2 PbI 4 · (MAPbI 3) n−1 (PEA, phenethylammonium; MA, methylammonium; n = 1, 2, 3, 4).
Web$\begingroup$ @XinWang: Those are completely different uses of the word "coherent". A state of the harmonic oscillator which is an eigenstate of the annihilation operator is … WebMay 31, 2002 · We study spin-relaxation phenomena in a two-dimensional electron gas in the presence of Rashba spin-orbit coupling. A tight-binding model including Rashba spin-orbit coupling is used to study spin relaxation and spin diffusion in a two-dimensional electron gas within Landauer-Büttiker formalism.
WebApr 14, 2024 · 2D materials Heterostructures Graphene Coherence ABSTRACT We report a theoretical study of the coherence dynamics of spin qubits in two-dimensional materials (2DMs) and van der Waals heterostructures, as a function of the host thickness and the composition of the surrounding environment. WebMay 21, 2024 · Nontrivial quantum coherence effects have been highlighted, in recent years, by the evolution of spectroscopic techniques such as two-dimensional electronic spectroscopy. The application of such techniques has shown that, despite the disorder of chemical and biological systems, quantum correlations might survive long enough to …
Web1 Spin coherence times of point defects in two-dimensional materials from first principles A. Sajid 1,* and Kristian S. Thygesen 1 1CAMD and Center for Nanostructured Graphene (CNG), Department of Physics, Technical University of …
WebDec 20, 2024 · Stark Shift of Excitons and Trions in Two-Dimensional Materials Physical Review B - United States doi 10.1103/physrevb.98.245309. Full Text Open PDF Abstract. Available in full text. ... Spin Coherence in Two-Dimensional Materials npj Computational Materials. Mechanics of Materials Materials Science Simulation Computer Science … rottweiler for sale in ohioWebNov 8, 2007 · Abstract The mechanisms for generation of long-lived spin coherence in a two-dimensional electron gas (2DEG) have been studied experimentally by means of a picosecond pump-probe Kerr rotation technique. CdTe (Cd,Mg)Te quantum wells with a diluted 2DEG were investigated. stranger on the townWebApr 9, 2024 · Two-dimensional (2D) materials exhibit a variety of promising properties for the realization of hosts of defect-based spin qubits, including their facile transfer and integration into hybrid ... We would like to show you a description here but the site won’t allow us. stranger on the third floor 1940 reviewWebSep 22, 2024 · The spin coherence times of 69 triplet defect centers in 45 different 2D host materials are calculated using the cluster-correlation expansion method with parameters … rottweiler floridaWebTo achieve their full application potential, long spin-polarized lifetimes and an understanding of spin-relaxation in these systems are needed. Here, we report an … rottweiler for sale in texasWebIn this study, room-temperature spin-glass behaviors were observed in flake-like oriented attached hematite (α-Fe 2 O 3) and iron phosphate hydroxide hydrate (Fe 5 (PO 4) 4 (OH) 3 ·2H 2 O) single crystals.Remarkably, their coercivity (H C) values were found to be almost invariable at various given temperatures from 5 to 300 K. The spin topographic map in … stranger on the third floor imdbWebApr 6, 2024 · Coherence time T2 based on CCE calculations for spin qubits in hypothetical material hosts with natural abundance of a single species with element density nelement = 1.0 × 10 23 cm −3 obtained by Eqs. 1 and 2 at the dilute limit assuming an electron spin g -factor of 2 and quantum number of 1/2. rottweiler for sale in az