Electron states in a one-dimensional random binary alloy

Details Electron states in a one-dimensional random binary alloy Electron states in a one-dimensional random binary alloy

2000-01-19

arxiv.org/abs/cond-mat/0001266v1

physica stat. solidi (b), 221 (2000) 633

Physics

Condensed Matter

Disordered Systems and Neural Networks

11 pages, REVTeX, 3 PostScript figures

Scientific paper

We present a model for alloys of compound semiconductors by introducing a one-dimensional binary random system where impurities are placed in one sublattice while host atoms lie on the other sublattice. The source of disorder is the stochastic fluctuation of the impurity energy from site to site. Although the system is one-dimensional and random, we demonstrate analytical and numerically the existence of extended states in the neighborhood of a given resonant energy, which match that of the host atoms.

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