Electrical conductivity percolation in the (CdTe)1-xTe x system

R. Ramírez-Bon*, F. J. Espinoza-Beltrán, M. Pedroza-Montero, F. Ruíz, J. González-Hernández, O. Zelaya-Angel, F. Sánchez-Sinencio

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

The critical volume fraction for conductivity percolation in the di-phasic system (CdTe)1-x Tex has been determined using atomic force microscopy. The onset for rapid increase in the electrical conductivity is found at a volume fraction of Te of about 0.4. According to previous theoretical calculations this value is characteristic of a system with two-dimensional symmetry. It is also found that the Te phase grows in the form of columns, which explains the observed critical volume fraction value for percolation in the conductivity measurements.

Original languageEnglish
Pages (from-to)3254-3256
Number of pages3
JournalApplied Physics Letters
Volume65
Issue number25
DOIs
StatePublished - 1 Dec 1994

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