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Nova Scientia
Article . 2012
Data sources: DOAJ
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Transmission for a superlattice with linear modulation of the barriers width

Authors: A. H. Barajas-Aguilar; A. Enciso-Muñoz; D. A. Contreras-Solorio;

Transmission for a superlattice with linear modulation of the barriers width

Abstract

Usando el método de la matriz de transferencia y la ecuación de Ben Daniel y Duke para propagación de electrones con masa variable, calculamos la transmitancia para una superred lineal finita simétrica que tiene variación lineal del ancho de las barreras de potencial. El ancho de las barreras decrece del centro hacia los extremos de la superred. La dependencia en la energía de la transmitancia presenta intervalos de bandas de rechazo y de bandas bastante planas de transmisión. Realizamos los cálculos de transmisión para varias alturas de barreras y varios anchos de pozos. Comparamos con la transmisión de una superred regular en la cual todas las barreras tienen el mismo ancho. También comparamos con la de una superred lineal invertida en que el ancho de las barreras crece del centro hacia afuera, así como con la de una estructura donde la variación de los anchos de barreras sigue un perfil gaussiano.

Keywords

Social sciences (General), H1-99, Q1-390, H, Science (General), Science, Q, Social Sciences

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold