Littérature scientifique sur le sujet « Spin currents »
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Articles de revues sur le sujet "Spin currents"
Sonin, E. B. « Spin currents and spin superfluidity ». Advances in Physics 59, no 3 (15 avril 2010) : 181–255. http://dx.doi.org/10.1080/00018731003739943.
Texte intégralŽutić, Igor, et Hanan Dery. « Taming spin currents ». Nature Materials 10, no 9 (23 août 2011) : 647–48. http://dx.doi.org/10.1038/nmat3097.
Texte intégralHoffmann, Axel. « Pure spin-currents ». physica status solidi (c) 4, no 11 (novembre 2007) : 4236–41. http://dx.doi.org/10.1002/pssc.200775942.
Texte intégralPareek, T. P. « Unified quaternionic description of charge and spin transport and intrinsic nonlinearity of spin currents ». International Journal of Modern Physics B 32, no 26 (18 octobre 2018) : 1850292. http://dx.doi.org/10.1142/s0217979218502922.
Texte intégralAhn, Changhyun, Hyunsu Kim et Jinsub Paeng. « Three-point functions in the 𝒩 = 4 orthogonal coset theory ». International Journal of Modern Physics A 31, no 16 (9 juin 2016) : 1650090. http://dx.doi.org/10.1142/s0217751x16500901.
Texte intégralMewes, Claudia K. A. « Spin currents go nuclear ». Nature Physics 15, no 1 (22 octobre 2018) : 8–9. http://dx.doi.org/10.1038/s41567-018-0335-1.
Texte intégralOng, N. P. « Recipe for spin currents ». Nature 455, no 7214 (octobre 2008) : 741–43. http://dx.doi.org/10.1038/455741a.
Texte intégralRebei, A., W. N. G. Hitchon et R. W. Chantrell. « Spin currents in ferromagnets ». Physics Letters A 346, no 5-6 (octobre 2005) : 371–77. http://dx.doi.org/10.1016/j.physleta.2005.07.058.
Texte intégralNguyen, Hoang Yen Thi, Sung-Jung Joo, Kuyoul Jung et Kyung-Ho Shin. « Field Dependence of Switching Currents in an Exchange Biased Spin Valve ». Journal of Nanoscience and Nanotechnology 7, no 1 (1 janvier 2007) : 344–49. http://dx.doi.org/10.1166/jnn.2007.18033.
Texte intégralRybachuk, E. V. « CONSISTENT MODEL FOR INTERACTIONS OF HIGHER-SPIN FERMIONS WITH 0- AND 1/2 - SPIN PARTICLES AND πN - SCATTERING ». East European Journal of Physics 3, no 1 (23 avril 2016) : 23–34. http://dx.doi.org/10.26565/2312-4334-2016-1-02.
Texte intégralThèses sur le sujet "Spin currents"
Wittmann, Angela Dorothea Anshi. « Spin currents in organic semiconductors ». Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/290148.
Texte intégralDíaz, Santiago Sebastián Alejandro. « Controlling Spin Interactions With Electric Currents ». Tesis, Universidad de Chile, 2010. http://www.repositorio.uchile.cl/handle/2250/102410.
Texte intégralWulfhorst, Jeannette [Verfasser]. « Nonlocal spin currents in mesoscopic metallic spin valves / Jeannette Wulfhorst ». München : Verlag Dr. Hut, 2012. http://d-nb.info/1028783183/34.
Texte intégralHahn, Christian. « Magnetization dynamics and pure spin currents in YIG/normal-metal systems ». Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066657.
Texte intégralSpintronics aims at designing electronic devices which capitalize on the spin degree of freedom to transport information using spin currents. In order to incorporate spin currents intoelectronic devices, it is particularly interesting to study the interconversion from a spin current, the motion of spin angular momentum, to a charge current (Spin Hall Effect) as well as the transfer of spin angular momentum between the conduction electrons of a normal metal (NM) and the magnetization of a ferromagnet (FM) (Spin Transfer Torque/Spin Pumping). To investigate the interplay of those effects this thesis studies hybrid systems of the ferromagnetic insulator Yttrium Iron Garnet and normal metals with large spin-orbit coupling, a prerequisite for spin Hall e_ect. We study spin pumping and spin hall magnetoresistance in YIGjPt and YIGjTa bi-layers using extended _lms of 200 nm thick YIG, grown by liquid phase epitaxy. The inverse spin Hall voltages in Pt and Ta confirm the opposite signs of spin Hall angles in these two materials. Moreover, from the dependence of the inverse spin Hall voltage on the Ta thickness, we constrain the spin di_usion length in Ta. Both the YIGjPt and YIGjTa systems display a similar variation of resistance upon magnetic eld orientation, the spin Hall magnetoresistance. To study the inuence of interfacial spin pumping and a possible reverse e_ect, it is desirable to work with thin _lm thicknesses. A high quality 20 nm thick YIG _lm was grown by pulsed laser deposition, showing a damping similar to that of bulk YIG. We use nano-lithography to pattern series of YIG(20nm) and YIG(20nm)jPt(13nm) discs with diameters between 300 and 700 nm. The ferromagnetic resonance (FMR) spectra of the individual sub-micron sized samples are recorded through magnetic resonance force microscopy. . Passing dc-current through micron sized YIGjPt disks reveal a variation of the FMR linewidth consistent with the geometry and amplitude of the expected SHE transfer torque. In the absence of exciting microwave _elds, a variation in the magnetization is detected when the dc-current reaches the expected threshold for auto oscillations
Savero, Torres Williams. « Interplay between pure spin currents and magnetic domain walls ». Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENY084.
Texte intégralThis thesis is based on the study of the interplay between pure spin currents and magnetic domains walls. This study has been divided in four chapters. In the first part, we provides a detailed explanation of the spin-transport in metallic structures by using three approaches. The second chapter concerns to the use of pure spin currents to induce DW motion in lateral spin valves. The third and four chapter, is mainly focused on the use of DWs for the efficient injection and detection of pure spin currents in lateral spin valves and cross shaped geometries
Zhang, S., et A. Fert. « Conversion between spin and charge currents with topological insulators ». AMER PHYSICAL SOC, 2016. http://hdl.handle.net/10150/622358.
Texte intégralStagraczyński, Stefan Piotr [Verfasser]. « Magnetic dynamics and spin currents in quantum spin systems strongly coupled to environment / Stefan Piotr Stagraczyński ». Halle, 2017. http://d-nb.info/114951289X/34.
Texte intégralStatuto, Nahuel. « Magnetic Excitations Induced by Surface Acoustic Waves and Spin-Polarized Currents ». Doctoral thesis, Universitat de Barcelona, 2019. http://hdl.handle.net/10803/667710.
Texte intégralLa tesis gira en torno al estudio de la dinámica de la magnetización en capas y multicapas delgadas ferromagnéticas. Sin embargo, los sistemas estudiados son diversos y pueden clasificarse por la técnica utilizada para la excitación de la dinámica de la magnetización. Este hecho queda plasmado en la estructura de la tesis que consta de una introducción general, Capítulo 1, y luego de dos partes independientes y separadas, a su vez, en varios capítulos. El orden en la exposición de los resultados pretende seguir una linea lógica para su compresión. Como contrapartida, los resultados son presentados sin seguir un orden cronológico. La primera parte de la tesis estudia la dinámica de la magnetización inducida por la aplicación de tensión dinámicamente sobre el material magnético, que al deformarlo induce en él un cambio en la dirección e intensidad de la anisotropía magnética. Por lo tanto, los estados magnéticos se ven afectados por esta variación y cambian para alinearse con la nueva dirección de anisotropía magnética induciendo dinámica en la magnetización. La segunda parte de la tesis estudia la dinámica de la magnetización inducida por la aplicación de corriente polarizada a través del material magnético que intercambia momento magnético con los espines magnéticos de los electrones de la corriente. Para que esta transferencia de momento magnético sea efectiva la densidad de corriente ha de ser elevada (~106-107 A/cm2) y para conseguirla se reduce hasta los 50-200 nm el diámetro del contacto eléctrico. Los materiales ferromagnéticos con grosor nanométrico usados en esta tesis son materiales magnéticos usados ampliamente en la investigación. Aparte del interés puramente científico, estos materiales son potencialmente aplicables en telecomunicaciones o tecnologías del almacenaje y transmisión de información a altas velocidades.
Fransson, Jonas. « Non-Orthogonality and Electron Correlations in Nanotransport : Spin- and Time-Dependent Currents ». Doctoral thesis, Uppsala University, Department of Physics, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-2687.
Texte intégralThe concept of the transfer Hamiltonian formalism has been reconsidered and generalized to include the non-orthogonality between the electron states in an interacting region, e.g. quantum dot (QD), and the states in the conduction bands in the attached contacts. The electron correlations in the QD are described by means of a diagram technique for Hubbard operator Green functions for non-equilibrium states.
It is shown that the non-orthogonality between the electrons states in the contacts and the QD is reflected in the anti-commutation relations for the field operators of the subsystems. The derived forumla for the current contains corrections from the overlap of the same order as the widely used conventional tunneling coefficients.
It is also shown that kinematic interactions between the QD states and the electrons in the contacts, renormalizes the QD energies in a spin-dependent fashion. The structure of the renormalization provides an opportunity to include a spin splitting of the QD levels by polarizing the conduction bands in the contacts and/or imposing different hybridizations between the states in the contacts and the QD for the two spin channels. This leads to a substantial amplification of the spin polarization in the current, suggesting applications in magnetic sensors and spin-filters.
Caruso, Laure. « Giant magnetoresistance based sensors for local magnetic detection of neuronal currents ». Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066272/document.
Texte intégralUnderstanding brain activity requires simultaneous recordings across spatial scales, from single-cell to brain-wide network. Measurements provide insights about the relationship between structures, functions and dynamics in neuronal circuits and assemblies. Electrophysiological techniques carry crucial information about the electrical activity within neurons. Locally probing the magnetic signature of this activity gives direct information about neuronal currents and the vectorial nature of magnetic measurements provides the directionality of neuronal ionic flux without disturbing it. Noticeably, the magnetic signature induced by the neuronal currents is accessible through Magneto EncephaloGraphy (MEG), which provides neuromagnetic field mapping outside the head using Superconducting QUantum Interference Devices (SQUIDs). However, local measurements of neuronal currents at cellular scale requires small and very sensitive devices. The purpose of the present thesis work is to develop a novel tool for neurophysiology, the magnetic equivalent of electrodes, named “magnetrodes”, are able to detect the local neuronal currents through magnetic detection. Recent advances in spin electronics have given rise to Giant MagnetoResistance (GMR) based sensors, which offer the possibility to be miniaturized and sensitive enough to detect very weak magnetic fields like those emitted by neurons at local scale (in the picotesla to nanotesla range). Two kinds of GMR based sensors have been developed throughout this work, one of these are planar probes dedicated to surface measurements (hippocampus slice, muscle or cortex), the other kind are sharp probes, designed in a needle-shape to easily penetrate the tissues and locally record the neuromagnetic fields. Three experiments have been performed, either in vitro and in vivo. In the first experiment, an Action Potential has been detected magnetically in vitro by means of planar GMR sensors, resulting from axial currents within a mouse muscle. The second in vitro experiment analyzed the hippocampal mouse brain slices, where both planar and sharp probes were tested giving some preliminary results. Lastly we performed the first magnetic recordings in vivo on cat's cerebral cortex, displaying stimulus-induced cortical responses of 10-20 nT pp . These results pave the way for local magnetophysiology, a novel approach of brain exploration and interfacing
Livres sur le sujet "Spin currents"
M, Aspden R., et Porter R. W, dir. Lumbar spine disorders : Current concepts. Singapore : World Scientific, 1995.
Trouver le texte intégralM, Bannister Carys, Tew Brian et Spastics Society, dir. Current concepts in spina bifida and hydrocephalus. [London] : MacKeith Press, 1991.
Trouver le texte intégralM, Bannister Carys, et Tew Brian, dir. Current concepts in spina bifida and hydrocephalus. London : Mac Keith Press, 1991.
Trouver le texte intégralOrmazabal, Gaston S. Single pion production in charged and neutral current neutrino interactions. Irvington-on-Hudson, N.Y : Nevis Laboratories, Columbia University, Physics Department, 1985.
Trouver le texte intégralCornella, Alfons. Business info-structure in Spain : Current situation and forthcoming challenges for business information in Spain. Barcelona : ESADE, 1993.
Trouver le texte intégralG, Fessler Richard, et Haid Regis W, dir. Current techniques in spinal stabilization. New York : McGraw-Hill, Health Professions Division, 1996.
Trouver le texte intégralWilliam, Foster David, Altamiranda Daniel et Urioste-Azcorra Carmen, dir. Spanish literature : Current debates on Hispanism. New York : Garland Pub., 2001.
Trouver le texte intégralSupin-ryū to toporojikaru zetsuentai : Ryōshi bussei to supintoronikusu no hatten = Spin current and topological insulators. Tōkyō-to Bunkyō-ku : Kyōritsu Shuppan, 2014.
Trouver le texte intégralGifra Adroher, Pere, et Jacqueline Hurtley. Hannah Lynch and Spain. Venice : Edizioni Ca' Foscari, 2018. http://dx.doi.org/10.30687/978-88-6969-292-5.
Texte intégralP, Corbin Terry, dir. Emerging spine surgery technologies : Current evidence and framework for evaluation of new technology. St. Louis, Mo : Quality Medical Pub., 2006.
Trouver le texte intégralChapitres de livres sur le sujet "Spin currents"
Adachi, Hiroto, et Sadamichi Maekawa. « Spin Waves, Spin Currents and Spin Seebeck Effect ». Dans Topics in Applied Physics, 119–28. Berlin, Heidelberg : Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30247-3_9.
Texte intégralLoss, Daniel, Paul Goldbart et A. V. Balatsky. « Persistent Spin Currents in Nanostructures ». Dans Granular Nanoelectronics, 539–42. Boston, MA : Springer US, 1991. http://dx.doi.org/10.1007/978-1-4899-3689-9_42.
Texte intégralLambiase, Gaetano, et Giorgio Papini. « Radiative Processes, Spin Currents, Vortices ». Dans The Interaction of Spin with Gravity in Particle Physics, 113–35. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-84771-5_6.
Texte intégralVan Dyke, John S. « Charge and Spin Currents in Nanoscale Topological Insulators ». Dans Springer Theses, 77–96. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-89938-1_6.
Texte intégralSrinivasan, Srikant, Vinh Diep, Behtash Behin-Aein, Angik Sarkar et Supriyo Datta. « Modeling Multi-Magnet Networks Interacting via Spin Currents ». Dans Handbook of Spintronics, 1281–335. Dordrecht : Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-6892-5_46.
Texte intégralSrinivasan, Srikant, Vinh Diep, Behtash Behin-Aein, Angik Sarkar et Supriyo Datta. « Modeling Multi-Magnet Networks Interacting via Spin Currents ». Dans Handbook of Spintronics, 1–49. Dordrecht : Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-007-7604-3_46-1.
Texte intégralKrivoruchenko, Mikhail I. « Transitional Currents for Massive Spin One-Half Particles ». Dans Quantization and Infinite-Dimensional Systems, 257–63. Boston, MA : Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2564-6_29.
Texte intégralKeller, Ole. « Spin-1/2 Currents : Spatial Photon Localization in Emission from a Pure Spin Transition ». Dans Quantum Theory of Near-Field Electrodynamics, 395–409. Berlin, Heidelberg : Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-17410-0_20.
Texte intégralStevens, Martin J., Ravi D. R. Bhat, Ali Najmaie, Henry M. van Driel, John E. Sipe et Arthur L. Smirl. « All-Optical Control of Charge and Spin in GaAs : Densities and Currents ». Dans Optics of Semiconductors and Their Nanostructures, 209–48. Berlin, Heidelberg : Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-09115-9_10.
Texte intégralKrivoruchenko, M. I. « Explicitly Covariant Algebraic Representations for Transitional Currents of Spin-1/2 Particles ». Dans Quantization, Coherent States, and Complex Structures, 73–78. Boston, MA : Springer US, 1995. http://dx.doi.org/10.1007/978-1-4899-1060-8_8.
Texte intégralActes de conférences sur le sujet "Spin currents"
Dyakonov, Michel I. « Spin Hall magnetoresistance and swapping spin currents ». Dans Spintronics X, sous la direction de Henri Jaffrès, Henri-Jean Drouhin, Jean-Eric Wegrowe et Manijeh Razeghi. SPIE, 2017. http://dx.doi.org/10.1117/12.2277959.
Texte intégralHoffmann, Axel, Wei Zhang, Stephen M. Wu, Hilal Saglam, Joseph Sklenar, M. Benjamin Jungfleisch, Wanjun Jiang et al. « Spin Currents in Antiferromagnets ». Dans 2016 International Conference of Asian Union of Magnetics Societies (ICAUMS). IEEE, 2016. http://dx.doi.org/10.1109/icaums.2016.8479782.
Texte intégralTarasenko, Sergey A., et Eugeniyus L. Ivchenko. « Spin Orientation and Spin Currents Induced by Linearly Polarized Light ». Dans PHYSICS OF SEMICONDUCTORS : 28th International Conference on the Physics of Semiconductors - ICPS 2006. AIP, 2007. http://dx.doi.org/10.1063/1.2730394.
Texte intégralSipe, John, R. d. R. Bhat, Ali Najmaie, F. Nastos, Y. Kerachian, H. M. van Driel, Arthur L. Smirl, Martin J. Stevens et X. Y. Pan. « Optically injected spin currents in semiconductors ». Dans International Quantum Electronics Conference. Washington, D.C. : OSA, 2004. http://dx.doi.org/10.1364/iqec.2004.ithk4.
Texte intégralBozovic, Milos, et Zoran Radovic. « Spin-polarized currents in superconducting films ». Dans International Symposium on Optical Science and Technology, sous la direction de Ivan Bozovic et Davor Pavuna. SPIE, 2002. http://dx.doi.org/10.1117/12.452478.
Texte intégralSarkar, Angik, Srikant Srinivasan, Behtash Behin-Aein et Supriyo Datta. « Modeling all spin logic : Multi-magnet networks interacting via spin currents ». Dans 2011 IEEE International Electron Devices Meeting (IEDM). IEEE, 2011. http://dx.doi.org/10.1109/iedm.2011.6131530.
Texte intégralSa, Debanand. « Spin-orbit coupling, spin currents and emergent gauge fields in solids ». Dans FUNCTIONAL MATERIALS : Proceedings of the International Workshop on Functional Materials (IWFM-2011). AIP, 2012. http://dx.doi.org/10.1063/1.4736882.
Texte intégralWegrowe, Jean-Eric. « Spin-Hall devices : quantitative predictions of the spin-accumulation and pure spin-currents (Conference Presentation) ». Dans Spintronics XV, sous la direction de Henri-Jean M. Drouhin, Jean-Eric Wegrowe et Manijeh Razeghi. SPIE, 2022. http://dx.doi.org/10.1117/12.2635882.
Texte intégralHinzke, D., U. Ritzmann, M. Evers, C. Muller et U. Nowak. « Magnonic spin currents : Localization, propagation, and accumulation ». Dans 2015 IEEE International Magnetics Conference (INTERMAG). IEEE, 2015. http://dx.doi.org/10.1109/intmag.2015.7157457.
Texte intégralvan Driel, Henry M. « Coherence Control of Spin and Charge Currents ». Dans Conference on Lasers and Electro-Optics. Washington, D.C. : OSA, 2009. http://dx.doi.org/10.1364/cleo.2009.jtuc4.
Texte intégralRapports d'organisations sur le sujet "Spin currents"
Stoker, D. P. Search for right-handed currents by means of muon spin rotation. Office of Scientific and Technical Information (OSTI), septembre 1985. http://dx.doi.org/10.2172/5008431.
Texte intégralHunt, Benjamin. DOE Final Technical Report : Proximity Effects and Topological Spin Currents in van der Waals Heterostructures (DE-SC0018115). Office of Scientific and Technical Information (OSTI), octobre 2022. http://dx.doi.org/10.2172/1973585.
Texte intégralWoodruff, Katherine. Neutral Current Elastic Scattering and the Strange Spin Structure of the Proton. Office of Scientific and Technical Information (OSTI), janvier 2018. http://dx.doi.org/10.2172/1484179.
Texte intégralSlavin, Andrei M. Stochastic Magnetization Dynamics Excited by Spin-Polarized Current in Magnetic Nano-Structures. Fort Belvoir, VA : Defense Technical Information Center, décembre 2008. http://dx.doi.org/10.21236/ada496844.
Texte intégralYang, Luyi. Doppler Velocimetry of Current Driven Spin Helices in a Two-Dimensional Electron Gas. Office of Scientific and Technical Information (OSTI), mai 2013. http://dx.doi.org/10.2172/1171503.
Texte intégralArdèvol-Abreu, A. Framing theory in communication research. Origins, development and current situation in Spain. Revista Latina de Comunicación Social, juillet 2015. http://dx.doi.org/10.4185/rlcs-1053en.
Texte intégralArdèvol-Abreu, A. Framing theory in communication research. Origins, development and current situation in Spain. Revista Latina de Comunicación Social, juillet 2015. http://dx.doi.org/10.4185/rlcs-2015-1053en.
Texte intégralMartínez-Sanz, R., et P. Durántez-Stolle. Performance of Investigative Journalism in Spain. The perception of its current state. Revista Latina de Comunicación Social, avril 2019. http://dx.doi.org/10.4185/rlcs-2019-1359en.
Texte intégralDi Ventra, Massimiliano. Time-dependent current-density-functional theory of charge, energy and spin transport and dynamics in nanoscale systems. Final Report. Office of Scientific and Technical Information (OSTI), juin 2019. http://dx.doi.org/10.2172/1524794.
Texte intégralS. Abdellatif, Omar, Ali Behbehani et Mauricio Landin. Spain COVID-19 Governmental Response. UN Compliance Research Group, mars 2021. http://dx.doi.org/10.52008/esp0501.
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