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Transmission for a finite superlattice with a linear modulation of the potential barriers height.

Published online by Cambridge University Press:  13 February 2012

K. A. Rodríguez-Magdaleno ,
J. C. Martínez-Orozco  and
D. A. Contreras-Solorio
K. A. Rodríguez-Magdaleno
Affiliation:
Unidad Académica de Física. Universidad Autónoma de Zacatecas.Calzada Solidaridad esquina con Paseo la Bufa S/N, C.P. 98060. Zacatecas, Zac. México.
J. C. Martínez-Orozco
Affiliation:
Unidad Académica de Física. Universidad Autónoma de Zacatecas.Calzada Solidaridad esquina con Paseo la Bufa S/N, C.P. 98060. Zacatecas, Zac. México.
D. A. Contreras-Solorio
Affiliation:
Unidad Académica de Física. Universidad Autónoma de Zacatecas.Calzada Solidaridad esquina con Paseo la Bufa S/N, C.P. 98060. Zacatecas, Zac. México.
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Abstract

Using the transfer matrix method and the Ben Daniel-Duke equation for variable mass electrons propagation, we calculate the transmittance for a finite superlattice where the potential barriers height follows a linear dependence like that of an inverted “V” letter. The energy dependence of the transmittance presents intervals of stopbands and nearly flat passbands. We calculate these properties for several numbers of barriers as well as for different barrier and wells widths and compare those with a regular superlattice.

Keywords

III-VLayeredDevices
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1371: Symposium S1 – Nanostructured Materials and Nanotechnology , 2012 , imrc11-1371-s1-p086
Copyright
Copyright © Materials Research Society 2012

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References

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