Spin phonon coupling
- Spin-phonon coupling in single Mn doped CdTe quantum dot.
- Spin-phonon-suite PyPI.
- Spin-phonon coupling in van der Waals antiferromagnet VOCl.
- SpinPhonon Coupling and SlowMagnetic Relaxation in Pristine.
- High-Field Magnetoelectric and Spin-Phonon Coupling in Multiferroic.
- PDF Evidence of spin-two phonon coupling and improved multiferroic.
- Spin-phonon coupling in antiferromagnetic nickel oxide.
- Strong spin-phonon coupling - YouTube.
- Mutual spin-phonon driving effects and phonon eigenvector.
- Condensed matter - How to understand spin-phonon.
- Spin-phonon coupling in the incommensurate magnetic ordered.
- Spin-phonon coupling in uniaxial anisotropic spin-glass based.
- Effects of spin-phonon coupling on two-dimensional.
- PDF Magnon-phonon coupling - Riken.
Spin-phonon coupling in single Mn doped CdTe quantum dot.
DOI: 10.1016/J.JALLCOM.2019.05.343 Corpus ID: 189977072; Spin-phonon coupling in uniaxial anisotropic spin-glass based on Fe2TiO5 pseudobrookite articleRodrigues2019SpinphononCI, title=Spin-phonon coupling in uniaxial anisotropic spin-glass based on Fe2TiO5 pseudobrookite, author=Jo#92;ao Elias F. S. Rodrigues and Washington Santa Rosa and Mateus Meneghetti Ferrer and Thiago R. Cunha and.
Spin-phonon-suite PyPI.
The density-matrix renormalization-group method is used to investigate the spin-Peierls transition for Heisenberg spins coupled to quantized phonons. We use a phonon spectrum that interpolates between a gapped, dispersionless Einstein limit to a. Hybrid spin-mechanical setups offer a versatile platform for quantum science and technology, but improving the spin-phonon as well as the spin-spin couplings of such systems remains a crucial challenge. Here, we propose and analyze an experimentally feasible and simple method for exponentially enhancing the spin-phonon and the phonon-mediated spin-spin interactions in a hybrid spin-mechanical. Gigahertz-frequency mechanical waves directly drive spin transitions in nitrogen-vacancy centers, offering a new way to control spins, sense strains, and study spin-phonon interactions at the nanoscale. Many developing technologies based on quantum spins rely on magnetic fields to control the spins. As spin-based quantum technologies evolve.
Spin-phonon coupling in van der Waals antiferromagnet VOCl.
Jul 03, 2018 A vibronic coupling model, supported by electronic structure calculations, is proposed to rationalize the behavior of the coupled Raman peaks. This work spectroscopically reveals and quantitates the spin-phonon couplings in typical transition metal complexes and sheds light on the origin of the spin-phonon entanglement.
SpinPhonon Coupling and SlowMagnetic Relaxation in Pristine.
In addition, the phonon mode shows a redshift entering the magnetically ordered state, which indicates a spin-phonon coupling in the system. Density functional theory calculations reveal that theA goscillations result in octahedral tilting distortions, which are exactly in sync with the lattice deformation driven by the magnetic ordering. We perform systematic first-principles calculations to investigate the spin-phonon coupling SPC mediated by spin-orbit coupling in pyrochlore Cd 2 Os 2 O 7 which has the peculiar all-in-all-out noncollinear magnetic ground state. A large SPC coefficient up to 34 c m - 1 is found, showing the potential of using this material in thermal spin devices. We further split the SPC coefficients to. Traditionally, a single spin-phonon coupling constant is used to characterize how effectively the lattice can affect the spin, but it is hardly enough to capture novel electromagnetic behaviors to.
High-Field Magnetoelectric and Spin-Phonon Coupling in Multiferroic.
Spin-phonon coupling is one of the fundamental interactions in functional materials, indispensable for understanding their unexpected magnetic ground states. Ferromagnetic SrRuO 3 is a correlated metal with the potential for utilization in novel spintronic devices and serves as a promising platform for studying spin-phonon interactions.
PDF Evidence of spin-two phonon coupling and improved multiferroic.
Two series of B-site ordered, double-perovskite A2CoMnO6 and A2NiMnO6 A = La, Pr, Nd, Sm, Gd epitaxial films with thickness d 100 nm were grown on SrTiO3111 substrates via metalorganic aerosol deposition. Polarization and temperature-dependent Raman spectroscopy were carried out in order to determine the spin-phonon coupling constant, , and the impact of the A-site cation radius on the..
Spin-phonon coupling in antiferromagnetic nickel oxide.
Important factor, not figuring in the electron-phonon coupling, is the effect of spin fluctuations. Unlike the electron-phonon coupling, electron-spin-fluctuation ES interactions or the electron-paramagnon coupling has a deleterious effect on the spin singlet superconductivity [6, 15], as they lead to breaking of the Cooper pairs. Spin-orbit coupling SOC is essential in understanding the properties of 5d transition metal compounds, whose SOC value is large and almost comparable to other key parameters. Over the past few years, there have been numerous studies on the SOC-driven effects of the electronic bands, magnetism, and spin-orbit entanglement for those materials with a large SOC. However, it is less studied and. Dec 22, 2017 The peculiarities of the spin-phonon coupling are consistent with the trends given by density functional theory. The obtained results shed light on the nature of the spin-phonon coupling in antiferromagnetic insulators and can help in developing spintronic devices. The work at UC Riverside was supported as part of the Spins and Heat in.
Strong spin-phonon coupling - YouTube.
Evidence of spin-two phonon coupling and improved multiferroic behavior of Bi1xDyxFeO3 nanoparticles. Ceramics International, 2014. Manisha Arora. Download Download PDF. Full PDF Package Download Full PDF Package. This Paper. A short summary of this paper. 37 Full PDFs related to this paper. Read Paper. This multiple spin-phonon feature was confirmed by the relative Raman intensity of two modes in relation to the stretching one, which is shown in Fig. 5. We can see that the relative intensity of these modes decreases down to a minimum at the magnetic transition and turns to increase again for lower temperatures. Oct 01, 2021 where 0 is the phonon frequency at absolute zero temperature, qh represents the quasi-harmonic contribution, anh corresponds to the contribution from phononphonon interaction, el-ph and sp-ph are the electronphonon and the spinphonon coupling effect. As VOCl is a insulator, there is no electronphonon coupling effect.
Mutual spin-phonon driving effects and phonon eigenvector.
. Microscopic spin-phonon coupling constants in CuGeO 3. Physical Review B, 1999. Claudius Gros. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. Read Paper. Apr 30, 2021 The contributions of spin-phonon coupling SPC to spin and thermal transport properties are important in emerging two-dimensional 2D magnetic semiconductors and are relevant to the data security and working stability of spin-based devices. By evaluating the dynamical stability of both ferromagnet.
Condensed matter - How to understand spin-phonon.
. However, lattice dynamics, chirality of phonons, and spin-phonon coupling in this material, which set the foundation for these exotic phenomena, have remained unexplored. Here, the first experimental investigation of the phonons and mutual interactions between spin and lattice degrees of freedom in few-layer Fe 3 GeTe 2 is reported. Spin-phonon coupling originated from spin-lattice correlation depends upon different exchange interactions in transition metal oxides containing 3d magnetic ions. Spin-lattice coupling can influence the coupling mechanism in magnetoelectric material. To understand the spin-lattice correlation in inverse trirutile Fe 2 TeO 6 FTO, magnetic properties and phonon spectra are studied.
Spin-phonon coupling in the incommensurate magnetic ordered.
Jul 01, 2021 The spin-phonon coupling in the o-RMO family was reported by Granado et al. and Laverdiere et al. , where the latter authors affirmed the coupling effect in small r R compounds and that the incommensurate AFM is negligible, whereas in E-type AFM ordered compounds, the coupling effect should be very weak or absent. The naturally weak spin-orbit coupling in Graphene can be largely enhanced by adatom deposition e.g. Weeks et al. Phys. Rev. X 1, 021001 2011. However, the dynamics of the adatoms also induces a coupling between phonons and the electron spin. Using group theory and a tight-binding model, we systematically investigate the coupling between the low-energy in-plane phonons and the electron.
Spin-phonon coupling in uniaxial anisotropic spin-glass based.
Suggesting that phonon scattering associated with short- and long-ranged antiferromagnetic order is suppressedin thepresence ofthemobilized charge.This interplaybetweenbound charge andspin-phonon coupling might allow for the reversible control of spin fluctuations using weak external fields. Based on the recent observation of spin-phonon coupling in the osmium oxide, the team found that the coupling was the strongest ever observed. The strong spin-phonon coupling may be caused by the.
Effects of spin-phonon coupling on two-dimensional.
Understanding the spin - phonon coupling in NiO is a key to its functionalization, and enabling AF spintronics#x27; promise of ultra-high-speed and low-power dissipation [11,12]. However, despite its status as an exemplary AF insulator and a benchmark material for the study of correlated electron systems, little is known about the spin - phonon.
PDF Magnon-phonon coupling - Riken.
Aug 30, 2019 Spin-phonon coupling was probed by following the trend of the Raman modes near critical temperature at 55 K, corresponding to the longitudinal freezing transition T LF, and also for temperatures well above T LF, in which the Fe 2 TiO 5 pseudobrookite depicts magnetoelectric coupling..
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