English
Related papers

Related papers: Experimental Verification of Comparability between…

200 papers

Magnetostatic spin wave dispersion and loss are measured in micron scale spin wave-guides in ferromagnetic, metallic CoTaZr. Results are in good agreement with model calculations of spin wave dispersion. The measured attenuation lengths, of…

Materials Science · Physics 2009-11-13 A. Kozhanov , D. Ouellette , M. Rodwell , A. P. Jacob , D. W. Lee , S. X. Wang , S. J. Allen

The contributions to the spin relaxation in copper (Cu) nanowires are quantified by carefully analyzing measurements of both charge and spin transport in lateral spin valves as a function of temperature and thickness. The temperature…

Mesoscale and Nanoscale Physics · Physics 2013-04-04 Estitxu Villamor , Miren Isasa , Luis E. Hueso , Fèlix Casanova

We observe the electron spin resonance of conduction electrons in boron doped (6400 ppm) superconducting diamond (Tc =3.8 K). We clearly identify the benchmarks of conduction electron spin resonance (CESR): the nearly temperature…

The spin absorption process in a ferromagnetic material depends on the spin orientation relativelyto the magnetization. Using a ferromagnet to absorb the pure spin current created within a lateralspin-valve, we evidence and quantify a…

The spin-spin correlation length and the static structure factor for bilayer antiferromagnets, such as YBa$_2$Cu$_3$O$_{6}$, are calculated using field theoretical and numerical methods. It is shown that these quantities can be directly…

Strongly Correlated Electrons · Physics 2009-10-31 Lan Yin , Matthias Troyer , Sudip Chakravarty

We study the spin-relaxation time in materials where a large spin-orbit coupling (SOC) is present which breaks the spatial inversion symmetry. Such a spin-orbit coupling is realized in zincblende structures and heterostructures with a…

Strongly Correlated Electrons · Physics 2017-10-23 Lénárd Szolnoki , Annamária Kiss , Balázs Dóra , Ferenc Simon

We analyze the nuclear magnetic relaxation rate $(1/T_1)_{orb}$ due to the coupling of nuclear spin to the orbital moment of itinerant electrons in metals. In the clean non--interacting case, contributions from large--distance current…

Superconductivity · Physics 2013-05-29 A. Knigavko , B. Mitrovic , K. V. Samokhin

We combine extensive precision measurements of the optically detected spin dynamics and magneto-transport measurements in a contiguous set of n-doped bulk GaAs structures in order to unambiguously unravel the intriguing but complex…

Materials Science · Physics 2017-08-02 J. G. Lonnemann , E. P. Rugeramigabo , M. Oestreich , J. Hübner

We investigate the spin diffusion and transport in a graphene monolayer on SiO$_2$ substrate by means of the microscopic kinetic spin Bloch equation approach. The substrate causes a strong Rashba spin-orbit coupling field $\sim 0.15$ meV,…

Mesoscale and Nanoscale Physics · Physics 2011-07-07 P. Zhang , M. W. Wu

The classical drift diffusion (DD) model of spin transport treats spin relaxation via an empirical parameter known as the ``spin diffusion length''. According to this model, the ensemble averaged spin of electrons drifting and diffusing in…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Sandipan Pramanik , Supriyo Bandyopadhyay , Marc Cahay

Current-driven magnetization dynamics of single ferromagnets in heavy metal/ferromagnet bilayers has been recently realized. In this work, spin torque induced by so-called Rashba spin-orbit coupling and spin Hall effect are considered…

Mesoscale and Nanoscale Physics · Physics 2012-04-24 Aurelien Manchon

We propose an experimental scheme to determine the spin-transfer torque efficiency excited by the spin-orbit interaction in ferromagnetic bilayers from the measurement of the longitudinal magnetoresistace. Solving a diffusive spin-transport…

Mesoscale and Nanoscale Physics · Physics 2016-10-04 Tomohiro Taniguchi , Julie Grollier , Mark D. Stiles

The temperature dependence of the electron spin life-time, T_1 and the g-factor are anomalous in alkali fullerides (K,Rb)_3C_60, which cannot be explained by the canonical Elliott-Yafet theory. These materials are archetypes of strongly…

Strongly Correlated Electrons · Physics 2009-04-01 Balázs Dóra , Ferenc Simon

We show that the propagation of spin polarized carriers may be dramatically affected by {\em inhomogeneous} electric fields. Surprisingly, the spin diffusion length is found to strongly depend on the sign and magnitude of electric field…

Materials Science · Physics 2009-11-11 Dan Csontos , Sergio E. Ulloa

We have determined the spin-orbit scattering length of two-dimensional layered 2H-TaSe2 metallic crystals by detailed characterization of the weak anti-localization phenomena in this strong spin-orbit interaction material. By fitting the…

Mesoscale and Nanoscale Physics · Physics 2014-10-06 Adam T. Neal , Yuchen Du , Han Liu , Peide D. Ye

We have fabricated a multi terminal lateral mesoscopic metallic spin valve demonstrating spin precession at room temperature, using tunnel barriers in combination with metallic ferromagnetic electrodes as spin injector and detector. The…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 F. J. Jedema , M. V. Costache , H. B. Heersche , J. J. A. Baselmans , B. J. van Wees

In this article we extend the currently established diffusion theory of spin-dependent electrical conduction by including spin-dependent thermoelectricity and thermal transport. Using this theory, we propose new experiments aimed at…

Mesoscale and Nanoscale Physics · Physics 2012-01-17 A. Slachter , F. L. Bakker , B. J. van Wees

We report on a comparative study of spin Hall related effects and magnetoresistance in YIG|Pt and YIG|Ta bilayers. These combined measurements allow to estimate the characteristic transport parameters of both Pt and Ta layers juxtaposed to…

Mesoscale and Nanoscale Physics · Physics 2013-05-15 Christian Hahn , Grégoire De Loubens , Olivier Klein , Michel Viret , Vladimir V. Naletov , J. Ben Youssef

We study the spatiotemporal dynamics of ultrafast electron spin transport across nanometer-thick copper layers using broadband terahertz spectroscopy. Our analysis of temporal delays, broadening and attenuation of the spin-current pulse…

The thickness dependence of spin-orbit torque and magnetoresistance in ferromagnet/heavy-metal bilayers is studied using the first-principles non-equilibrium Green's function formalism combined with the Anderson disorder model. A systematic…

Mesoscale and Nanoscale Physics · Physics 2020-01-22 K. D. Belashchenko , Alexey A. Kovalev , M. van Schilfgaarde