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102751

Optical Characterizations of Quantum Structure Family of Infrared Photo Detectors.

Article

Last updated: 22 Jan 2023

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Electrical Engineering

Abstract

The reduction in dimensionality produced by confining electrons (or holes) to a thin semiconductor layer leads to a dramatic change in their behavior. This principle can be developed by further reducing the dimensionality of the electron's environment from a two-dimensional quantum well to a one-dimensional quantum wire and eventually to a zero-dimensional quantum dot. The dimensionality refers to the number of degrees of freedom of the electron momentum, so the electron is confined across two directions within a quantum wire, rather than just the one in a quantum well. In a quantum dot the electron is confined in all three-dimensions, thus reducing the degrees of freedom to zero. Our scope in this paper is to drive and plot the theoretical formulation of the energy levels, the wave function and the density of states of each quantum well, wire and dot structures.

DOI

10.21608/bfemu.2020.102751

Keywords

Energy levels and wave function of finite / infinite potential quantum well, wire and dot, density of states of quantum well, wire and dot structures

Authors

First Name

Mohamed

Last Name

El_Mashade

MiddleName

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Affiliation

Electrical Engineering Department., Faculty of Engineering., Al Azhar University., Nasr City., Cairo., Egypt.

Email

elmashade@yahoo.com

City

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Orcid

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First Name

M.

Last Name

El_Hanash

MiddleName

-

Affiliation

Electrical Engineering Department., Faculty of Engineering., Al Azhar University., Nasr City., Cairo., Egypt.

Email

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City

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Orcid

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Volume

39

Article Issue

4

Related Issue

15538

Issue Date

2014-12-01

Receive Date

2014-02-23

Publish Date

2020-07-13

Page Start

19

Page End

28

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 39_Issue 4_Pages 19-28.pdf

PDF . 579.3kB

Link

https://bfemu.journals.ekb.eg/article_102751.html

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https://bfemu.journals.ekb.eg/service?article_code=102751

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10

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

https://bfemu.journals.ekb.eg/

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Article

Created At

22 Jan 2023