Weak localization and spin splitting in inversion layers on p-type InAs
Christopher Schierholz, Toru Matsuyama, Ulrich Merkt, and Guido Meier
TL;DR
This paper investigates weak localization and spin splitting in p-type InAs inversion layers, using magnetoconductivity measurements to determine spin-related parameters and compare with theoretical models.
Contribution
It provides experimental measurements of spin splitting and Rashba parameters in p-type InAs inversion layers, validated against existing theoretical models.
Findings
Observation of weak localization and antilocalization features
Quantitative determination of spin splitting and Rashba parameter
Good agreement with Iordanskii, Lyanda-Geller, and Pikus theory
Abstract
We report on the magnetoconductivity of quasi two-dimensional electron systems in inversion layers on p-type InAs single crystals. In low magnetic fields pronounced features of weak localization and antilocalization are observed. They are almost perfectly described by the theory of Iordanskii, Lyanda-Geller and Pikus. This allows us to determine the spin splitting and the Rashba parameter of the ground electric subband as a function of the electron density.
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