Scattering Mechanisms from Roughness-induced Fluctuations in Charge Distributions in ZnO  Surface Quantum Wells

Le Tuan; Nguyen Thanh Tien; Tran Thi An; Doan Nhat Quang

doi:10.15625/0868-3166/20/3/2266

Scattering Mechanisms from Roughness-induced Fluctuations in Charge Distributions in ZnO Surface Quantum Wells

Le Tuan, Nguyen Thanh Tien, Tran Thi An, Doan Nhat Quang

Author affiliations

Authors

Le Tuan Institute of Engineering Physics, Hanoi University of Technology
Nguyen Thanh Tien College of Science, Cantho University
Tran Thi An Institute of Physics, VAST
Doan Nhat Quang Institute of Physics, VAST

DOI:

https://doi.org/10.15625/0868-3166/20/3/2266

Abstract

We present a theoretical study of roughness-related scattering
mechanisms for electrons in single heterostructures,
especilaly in Gaussian-doped ZnO surface quantum wells. We
show that besides the conventional scatterings there must exist
roughness-related mechanisms of charge origin, which stem from
fluctuations the electron density and the donor density in the bulk ZnO. The strength of the two
charge-origin scattering sources is found to be comparable with
the one of the standard one from fluctuations in the barrier
position. The effect of the dielectric discontinuity on the
scattering mechanisms is discussed.

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Published

15-08-2012

How to Cite

[1]

L. Tuan, N. T. Tien, T. T. An, and D. N. Quang, “Scattering Mechanisms from Roughness-induced Fluctuations in Charge Distributions in ZnO Surface Quantum Wells”, Comm. Phys., vol. 20, no. 3, p. 201, Aug. 2012.

IEEE

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Issue

Vol. 20 No. 3 (2010)

Section

Papers

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