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Assessment of the resistance to diffusion destruction of AlAs/GaAs nanoscale resonant-tunneling heterostructures by IR spectral ellipsometry


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Abstract

A technique for assessing the quality of AlAs/GaAs nanoscale resonant-tunneling heterostructures from the viewpoint of their resistance to diffusion destruction is developed. The diffusive spreading of AlAs/GaAs heterostructure layers is revealed by infrared (IR) spectral ellipsometry and the Al and Si diffusion coefficients in GaAs are determined.

About the authors

M. O. Makeev

Bauman State Technical University

Author for correspondence.
Email: mc.stiv@gmail.com
Russian Federation, Vtoraya Baumanskaya ul. 5, Moscow, 105005

Y. A. Ivanov

Bauman State Technical University

Email: mc.stiv@gmail.com
Russian Federation, Vtoraya Baumanskaya ul. 5, Moscow, 105005

S. A. Meshkov

Bauman State Technical University

Email: mc.stiv@gmail.com
Russian Federation, Vtoraya Baumanskaya ul. 5, Moscow, 105005

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