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The electron spin lifetime and diffusion length are transport parameters that define the scale of coherence in spintronic devices and circuits. Since these parameters are many orders of magnitude larger in semiconductors than in metals,…

Materials Science · Physics 2009-11-13 Ian Appelbaum , Biqin Huang , Douwe Monsma

Transporting ensembles of electrons over long distances without losing their spin polarization is an important benchmark for spintronic devices. It requires usually to inject and to probe spin polarized electrons in conduction channels…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 B. Bertrand , S. Hermelin , S. Takada , M. Yamamoto , S. Tarucha , A. Ludwig , A. D. Wieck , C. Bäuerle , T. Meunier

Spin insulatronics covers efforts to generate, detect, control, and utilize high-fidelity pure spin currents and excitations inside magnetic insulators. Ultimately, the new findings may open doors for pure spin-based information and…

Mesoscale and Nanoscale Physics · Physics 2020-10-27 Arne Brataas , Bart van Wees , Olivier Klein , Gregoire de Loubens , Michel Viret

Spin-based electronics or spintronics relies on the ability to store, transport and manipulate electron spin polarization with great precision. In its ultimate limit, information is stored in the spin state of a single electron, at which…

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

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 2009-11-11 Sandipan Pramanik , Supriyo Bandyopadhyay , Marc Cahay

Spin waves in magnetic insulators are low-damping signal carriers that could enable a new generation of spintronic devices. The excitation, control, and detection of spin waves by metal electrodes is crucial for interfacing these devices to…

Mesoscale and Nanoscale Physics · Physics 2021-12-14 Iacopo Bertelli , Brecht G. Simon , Tao Yu , Jan Aarts , Gerrit E. W. Bauer , Yaroslav M. Blanter , Toeno van der Sar

Spin waves - the elementary excitations of magnetic materials - are prime candidate signal carriers for low dissipation information processing. Being able to image coherent spin-wave transport is crucial for developing interference-based…

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

We analyze the spin transport through a finite-size one-dimensional interacting wire connected to noninteracting leads. By combining renormalization-group arguments with other analytic considerations such as the memory function technique…

Quantum Gases · Physics 2020-04-28 A. -M. Visuri , M. Lebrat , S. Häusler , L. Corman , T. Giamarchi

The spin and charge transport in materials with spin-dependent conductivity has been studied. It was shown that there is a charge accumulation along spin diffusion in a ferromagnetic metal, which causes a shortening of the spin diffusion…

Mesoscale and Nanoscale Physics · Physics 2020-10-05 Vadym Zayets

Spintronics uses spins, the intrinsic angular momentum of electrons, as an alternative for the electron charge. Its long-term goal is in the development of beyond-Moore low dissipation technology devices. Recent progress demonstrated the…

Mesoscale and Nanoscale Physics · Physics 2018-09-14 R. Lebrun , A. Ross , S. A. Bender , A. Qaiumzadeh , L. Baldrati , J. Cramer , A. Brataas , R. A. Duine , M. Kläui

Using one of the methods of quantum nonequilibrium statistical physics we have investigated the spin transport transverse to the normal metal/ferromagnetic insulator interface in hybrid nanostructures. An approximation of the effective…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 I. I. Lyapilin , M. S. Okorokov , V. V. Ustinov

Spintronic devices operating with pure spin currents represent a new paradigm in nanoelectronics, with higher energy efficiency and lower dissipation as compared to charge currents. This technology, however, will be viable only if the…

Mesoscale and Nanoscale Physics · Physics 2019-10-08 Kumar Sourav Das , Denys Makarov , Paola Gentile , Mario Cuoco , Bart J. van Wees , Carmine Ortix , Ivan J. Vera-Marun

We present measurements of pure spin current absorption on lateral spin valves. By varying the width of the absorber we demonstrate that spin current absorption measurements enable to characterize efficiently the spin transport properties…

Materials Science · Physics 2018-12-05 G. Zahnd , Laurent Vila , V. Pham , M Cosset-Cheneau , W Lim , A Brenac , P Laczkowski , A Marty , J Attané

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…

Recent experimental breakthroughs have demonstrated that the electron spin in silicon can be reliably injected and detected as well as transferred over distances exceeding 1 mm. We propose an on-chip communication paradigm which is based on…

Materials Science · Physics 2011-09-23 Hanan Dery , Yang Song , Pengke Li , Igor Zutic

Spin waves have risen as promising candidate information carriers for the next generation of information technologies. Recent experimental demonstrations of their detection using electron spins in diamond pave the way towards studying the…

Mesoscale and Nanoscale Physics · Physics 2022-02-17 C. Gonzalez-Ballestero , T. van der Sar , O. Romero-Isart

We experimentally demonstrate the use of a single electronic spin to measure the quantum dynamics of distant individual nuclear spins from within a surrounding spin bath. Our technique exploits coherent control of the electron spin,…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Shimon Kolkowitz , Quirin P. Unterreithmeier , Steven D. Bennett , Mikhail D. Lukin

The demonstration of the generation and control of a pure spin current (without net charge flow) by electric fields and/or temperature gradient has been an essential leap in the quest for low-power consumption electronics. The key issue of…

Mesoscale and Nanoscale Physics · Physics 2013-10-10 Chenglong Jia , Jamal Berakdar
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