English
Related papers

Related papers: Spin orientation by electric current in (110) quan…

200 papers

The theory of spin relaxation of conduction electrons is developed for zinc-blende-type quantum wells grown on (110)-oriented substrate. It is shown that, in asymmetric structures, the relaxation of electron spin initially oriented along…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 S. A. Tarasenko

Dynamic response of two-dimensional electron systems with spin-orbit interaction is studied theoretically on the basis of quantum kinetic equation, taking into account elastic scattering of electrons. The spin polarization and spin current…

Mesoscale and Nanoscale Physics · Physics 2007-06-19 O. E. Raichev

Coupling of spin states and space motion of conduction electrons due to spin-orbit interaction opens up possibilities for manipulation of the electron spins by electrical means. It is shown here that spin orientation of a two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. A. Tarasenko

It is shown that the spin orientation of free electrons occurs in low-symmetry semiconductor structures if only the electron gas is driven out of thermal equilibrium with the crystal lattice. The proposed mechanism of such a thermal…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 S. A. Tarasenko

We consider theoretically the relaxation of electron spin component parallel to the growth direction in multiple (110) GaAs quantum wells. The sources of spin relaxation are the random Rashba spin-orbit coupling due to the electric field of…

Mesoscale and Nanoscale Physics · Physics 2010-05-10 M. M. Glazov , M. A. Semina , E. Ya. Sherman

Spin-orbit coupling in semiconductors relates the spin of an electron to its momentum and provides a pathway for electrically initializing and manipulating electron spins for applications in spintronics and spin-based quantum information…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 V. Sih , R. C. Myers , Y. K. Kato , W. H. Lau , A. C. Gossard , D. D. Awschalom

We study the polarization optical properties of microcavities with embedded (110)-oriented quantum wells. The spin dynamics of exciton polaritons in such structures is governed by the interplay of the spin-orbit splitting of exciton states,…

Mesoscale and Nanoscale Physics · Physics 2015-10-14 V. Shahnazaryan , S. Morina , S. A. Tarasenko , I. A. Shelykh

The spin relaxation of a two-dimensional electron system (2DES) formed in a symmetric quantum well is studied theoretically when the quantum well is parallel to the (110) plane of the zinc-blende structure, the spin polarization is…

Mesoscale and Nanoscale Physics · Physics 2014-02-28 Hiroshi Akera , Hidekatsu Suzuura , Yoshiyuki Egami

We study the electron spin relaxation in both symmetric and asymmetric GaAs/AlGaAs quantum wells (QWs) grown on (110) substrates in an external magnetic field B applied along the QW normal. The spin polarization is induced by circularly…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 G. Wang , A. Balocchi , A. V. Poshakinskiy , C. R. Zhu , S. A. Tarasenko , T. Amand , B. L. Liu , X. Marie

A scheme for a spin polarization direction switch is investigated by studying the spin-dependent electron transport of an asymmetrical quantum wire (QW) with Rashba spin-orbit coupling (SOC). It is found that the magnitude of the…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Zhonghui Xu , Xianbo Xiao , Yuguang Chen

Because of the peculiar coupling of spatial and spin degrees of freedom effected by the Rashba spin-orbit interaction, lateral confinement of a two dimensional electronic system leads to a finite transverse spin polarization near the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. Chesi , G. F. Giuliani

We study the spin and charge dynamics of electrons in n-doped II--VI semiconductor multiple quantum wells when one or more quantum wells are doped with Mn. The interplay between strongly nonlinear inter-well charge transport and the large…

Condensed Matter · Physics 2009-11-07 Manuel Bejar , David Sanchez , Gloria Platero , A. H. MacDonald

A fully microscopic theory of electron spin relaxation by the D'yakonov-Perel' type spin-orbit coupling is developed for a semiconductor quantum well with a magnetic field applied in the growth direction of the well. We derive the Bloch…

Condensed Matter · Physics 2009-11-07 Vadim I. Puller , Lev G. Mourokh , Norman J. M. Horing , Anatoly Yu. Smirnov

The electron spin dynamics in (111)-oriented GaAs/AlGaAs quantum wells is studied by timeresolved photoluminescence spectroscopy. By applying an external field of 50 kV/cm a two-order of magnitude increase of the spin relaxation time can be…

Materials Science · Physics 2015-05-28 A. Balocchi , Q. H. Duong , P. Renucci , B. Liu , C. Fontaine , T. Amand , D. Lagarde , X. Marie

We study the tunneling of conduction electrons through a (110)-oriented single-barrier heterostructure grown from III-V semiconductor compounds. It is shown that, due to low spatial symmetry of such a barrier, the tunneling current through…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 P. S. Alekseev , M. M. Glazov , S. A. Tarasenko

We investigate the spin dynamics of electrons in quantum wells where the Rashba type of spin-orbit coupling is present in the form of random nanosize domains. We study the effect of magnetic field on the spin relaxation in these systems and…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. M. Glazov , E. Ya. Sherman

We study the spin polarization induced by a current flow in clean two dimensional electron gases with Rashba spin-orbit coupling. This geometric effect originates from special properties of the electron's scattering at the edges of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Reynoso , Gonzalo Usaj , C. A. Balseiro

We investigate theoretically the coherent longitudinal and transversal spin relaxation of photoexcited electrons in quantum wells in quantized magnetic fields. We find the relaxation time for typical quantum well parameters between 100 and…

Disordered Systems and Neural Networks · Physics 2009-11-11 E. Ya. Sherman , J. E. Sipe

A system of two quantum wells (QW), one made of HgCdTe and the other of HgCdMnTe, subjected to electric and magnetic fields $F$ and $B$ parallel to the growth direction, is proposed and described theoretically. It is shown that in such a…

Materials Science · Physics 2012-06-21 Pawel Pfeffer , Wlodek Zawadzki

This paper reviews the spin orientation of spin-3/2 holes in quantum wells. We discuss the Zeeman and Rashba spin splitting in hole systems that are qualitatively different from their counterparts in electron systems. We show how a…

Mesoscale and Nanoscale Physics · Physics 2008-11-12 R. Winkler , Dimitrie Culcer , S. J. Papadakis , B. Habib , M. Shayegan
‹ Prev 1 2 3 10 Next ›