Spectrum and normalized modes of acoustic phonons in multilayer nitride-based nanostructure

Igor Boyko (), Mykhaylo Petryk and Jacques Fraissard
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Igor Boyko: Ternopil Ivan Puluj National Technical University
Mykhaylo Petryk: Ternopil Ivan Puluj National Technical University
Jacques Fraissard: Sorbonne Universites, ESPCI-LPEM

The European Physical Journal B: Condensed Matter and Complex Systems, 2020, vol. 93, issue 3, 1-13

Abstract: Abstract Using the model of an elastic continuum, precise analytical solutions of the equations of motion are established and a theory of the spectrum and components of the displacement field of acoustic phonons is developed for a two-well resonant-tunneling nanostructure with AlN – quantum barriers and GaN∕AlxGa1−xN – quantum wells. For the experimentally realised nanostructure – the active zone of a quantum cascade detector – depending on its geometric parameters, the spectrum of acoustic phonons and normalized components of the displacement fields were calculated. Graphical abstract

Keywords: Solid; State; and; Materials (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1140/epjb/e2020-100597-x

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