Title :
Spin-orbit interaction and spin-dependent electron scattering in 2D channels
Author :
Voskoboynikov, O. ; Huang, Hua-Chiang ; Lee, C.P. ; Tretyak, O.
Author_Institution :
Dept. of Electronics Eng., Nat. Tung Univ., Hsinchu, Taiwan
Abstract :
In this theoretical study to model spin-dependent scattering in two-dimensional channels, we consider a type of scatterers: quantum dots (antidots) located in two-dimensional channels of III-V semiconductors. General theoretical approach to the description of the spin-orbit coupling effect in the scattering is to use the spin-orbit contribution to the Hamiltonian. We calculate the differential cross section with energy and angular dependence and find a large left-right asymmetry. Our theory predicts that the asymmetry can reach ~10% for back-scattered electrons in the case when the electrons are scattered from two-dimensional quantum antidots
Keywords :
III-V semiconductors; electron spin polarisation; semiconductor quantum dots; spin Hamiltonians; spin-orbit interactions; III-V semiconductor; angular dependence; differential cross-section; electron backscattering; energy dependence; left-right asymmetry; quantum antidot; quantum dot; spin Hamiltonian; spin-dependent electron scattering; spin-orbit interaction; two-dimensional channel; Boundary conditions; Conducting materials; Electrons; Optical scattering; Particle scattering; Quantum dots; Quantum mechanics; Schrodinger equation; Stationary state; Wave functions;
Conference_Titel :
Nanotechnology, 2001. IEEE-NANO 2001. Proceedings of the 2001 1st IEEE Conference on
Conference_Location :
Maui, HI
Print_ISBN :
0-7803-7215-8
DOI :
10.1109/NANO.2001.966394
