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Related papers: Silicon spin communication

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Pulsed electrically-detected magnetic resonance of phosphorous (31P) in bulk crystalline silicon at very high magnetic fields (B > 8.5 T) and low temperatures (T = 2.8 K) is presented. We find that the spin-dependent capture and reemission…

Quantum Physics · Physics 2009-09-25 G. W. Morley , D. R. McCamey , H. A. Seipel , L. -C. Brunel , J. van Tol , C. Boehme

In a recent publication, we demonstrated electrical spin injection and detection in n-type silicon at temperatures up to 500K using ferromagnetic metal / SiO2 tunnel barrier contacts in a three-terminal geometry (Nature Commun. 2:245…

Materials Science · Physics 2019-06-19 C. H. Li , O. M. J. van 't Erve , B. T. Jonker

Electrical control of spin signals and long distance spin transport are major requirements in the field of spin electronics. Here we report the efficient guiding of spin currents at room temperature in high mobility hexagonal boron nitride…

Mesoscale and Nanoscale Physics · Physics 2016-07-19 Josep Ingla-Aynés , Rick J. Meijerink , Bart J. van Wees

Stimulated wave of polarization, triggered by a flip of a single spin, presents a simple model of quantum amplification. Previously, it has been found that such wave can be excited in a 1D Ising chain with nearest-neighbor interactions,…

Quantum Physics · Physics 2009-11-13 G. B. Furman , S. D. Goren , J. -S. Lee , A. K. Khitrin , V. M. Meerovich , V. L. Sokolovsky

Spatiotemporal spin dynamics under spin-orbit interaction is investigated in a (001) GaAs two-dimensional electron gas using magneto-optical Kerr rotation microscopy. Spin polarized electrons are diffused away from the excited position,…

Mesoscale and Nanoscale Physics · Physics 2021-01-20 Daisuke Iizasa , Asuka Aoki , Takahito Saito , Junsaku Nitta , Gian Salis , Makoto Kohda

Spintronics, or spin electronics, involves the study of active control and manipulation of spin degrees of freedom in solid-state systems. This article reviews the current status of this subject, including both recent advances and…

Other Condensed Matter · Physics 2009-11-10 Igor Zutic , Jaroslav Fabian , S. Das Sarma

Spin electronics (spintronics) exploits the magnetic nature of the electron, and is commercially exploited in the spin valves of disc-drive read heads. There is currently widespread interest in using industrially relevant semiconductors in…

An electrical current can transfer spin angular momentum to a ferromagnet. This novel physical phenomenon, called spin transfer, offers unprecedented spatial and temporal control over the magnetic state of a ferromagnet and has tremendous…

Materials Science · Physics 2007-05-23 Z. Wei , A. Sharma , A. S. Nunez , P. M. Haney , R. A. Duine , J. Bass , A. H. MacDonald , M. Tsoi

In the ballistic regime, the metallic temperature dependence of the conductivity in a two-dimensional electron system in silicon is found to change non-monotonically with the degree of spin polarization. In particular, it fades away just…

The effect of spin-disorder scattering on perpendicular transport in a magnetic monolayer is considered within the single-site Coherent Potential Approximation (CPA). The exchange interaction between a conduction electron and localized…

Disordered Systems and Neural Networks · Physics 2009-11-07 Alireza Saffarzadeh

The semiclassical path integral method has been applied for studying spin relaxation in a narrow 2D strip with the Rashba spin-orbit interaction. Our numerical calculations show a good agreement with the experimental data, although some…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Cheng-Hung Chang , Jengjan Tsai , Hui-Fen Lo , A. G. Mal'shukov

We demonstrate theoretically that spin dynamics of electrons injected into a GaAs semiconductor structure through a Schottky barrier possesses strong non-equilibrium features. Electrons injected are redistributed quickly among several…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Semion Saikin , Min Shen , Ming-Cheng Cheng

At each of the boundaries of the two-dimensional (2D) rectangular conductor parallel to the electric current there arises a stripe with an electric field transverse to the current and a 100% electron spin polarization. The two stripes have…

Mesoscale and Nanoscale Physics · Physics 2011-07-18 Y. B. Lyanda-Geller

In electronics, information has been traditionally stored, processed and communicated using an electron's charge. This paradigm is increasingly turning out to be energy-inefficient, because movement of charge within an…

Mesoscale and Nanoscale Physics · Physics 2009-09-22 Supriyo Bandyopadhyay , Marc Cahay

We study the spin thermalization, i.e., the inter-spin energy relaxation mediated by electron-electron scattering in small spin valves. When one or two of the dimensions of the spin valve spacer are smaller than the thermal coherence…

Mesoscale and Nanoscale Physics · Physics 2010-04-22 Tero T. Heikkila , Moosa Hatami , Gerrit E. W. Bauer

We derive diffusion equations, which describe spin-charge coupled transport on the helical metal surface of a three-dimensional topological insulator. The main feature of these equations is a large magnitude of the spin-charge coupling,…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 A. A. Burkov , D. G. Hawthorn

Motivated by the possibility of combining spintronics with molecular structures, we investigate the conditions for the appearance of spin-polarization in low-dimensional tubular systems by contacting them to a magnetic substrate. We derive…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Mauro S. Ferreira , Stefano Sanvito

This article reviews the current status of spin dynamics in semiconductors which has achieved a lot of progress in the past years due to the fast growing field of semiconductor spintronics. The primary focus is the theoretical and…

Materials Science · Physics 2015-03-13 M. W. Wu , J. H. Jiang , M. Q. Weng

Once called a "classically non-describable two-valuedness" by Pauli , the electron spin is a natural resource for long-lived quantum information since it is mostly impervious to electric fluctuations and can be replicated in large arrays…

We show that the correlation and entanglement dynamics of spin systems can be understood in terms of propagation of spin waves. This gives a simple, physical explanation of the behaviour seen in a number of recent works, in which a…

Quantum Physics · Physics 2009-11-13 T. S. Cubitt , J. I. Cirac
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