Electron-electron umklapp scattering in two-dimensional electron gas underlateral magnetic periodicity

Authors
Kato, M Sakairi, M Endo, A Katsumoto, S Iye, Y
Citation
M. Kato et al., Electron-electron umklapp scattering in two-dimensional electron gas underlateral magnetic periodicity, PHYSICA B, 284, 2000, pp. 1902-1903
Citations number
4
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA B
ISSN journal
09214526 → ACNP
Volume
284
Year of publication
2000
Part
2
Pages
1902 - 1903
Database
ISI
SICI code
0921-4526(200007)284:<1902:EUSITE>2.0.ZU;2-T
Abstract
Two-dimensional electron gas at GaAs/AlGaAs heterointerface subjected to a lateral magnetic superlattice exhibits a T-2-dependent excess resistivity, which is attributed to electron-electron umklapp scattering. The current de nsity dependence of the excess resistivity proves that the phenomenon is go verned by the electron temperature. The umklapp scattering gives rise to a transverse component of resistivity in the case of an oblique lateral super lattice. (C) 2000 Elsevier Science B.V. All rights reserved.