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Study of the critical density of the metal-insulator transition in two dimensional systems

LHOUSSINE LIMOUNY1,* , ABDELHAMID EL KAAOUACHI1, SAID DLIMI1, EL FATMI DAOUDI1, ABDEGHANI SYBOUS1, ABDELFATTAH NARJIS1, MOHAMED ERRAI1

Affiliation

  1. Research Group ESNPS, Physics Department, University Ibn Zohr, Faculty of Sciences, B.P 8106, Hay Dakhla, 80000 Agadir

Abstract

The aim of this paper is to study the critical density nc of the metal-insulator transition in two dimensional electron systems for sample Si-15 MOSFETs. Many methods are used in this investigation that had used previously for other samples. The motivation of this study is the observation of many values of the critical density nc that are slightly different. We used here four methods in the goal to infer which one is more appropriate to determine nc..

Keywords

Metal-insulator transition, 2D electron systems, Critical density, Percolation.

Submitted at: Sept. 28, 2013
Accepted at: Nov. 7, 2013

Citation

LHOUSSINE LIMOUNY, ABDELHAMID EL KAAOUACHI, SAID DLIMI, EL FATMI DAOUDI, ABDEGHANI SYBOUS, ABDELFATTAH NARJIS, MOHAMED ERRAI, Study of the critical density of the metal-insulator transition in two dimensional systems, Journal of Optoelectronics and Advanced Materials Vol. 15, Iss. 11-12, pp. 1303-1305 (2013)