Electronic structure and optical properties of (BeTe)n/(ZnSe)m superlattices-Reference-Cited by-同舟云学术

Electronic structure and optical properties of (BeTe)n/(ZnSe)m superlattices

Published:2016-03-01 Issue:1 Volume:34 Page:115-125
ISSN:2083-134X
Container-title:Materials Science-Poland
language:en
Short-container-title:

Author:

Caid M.¹,Rached H.¹,Rached D.¹,Khenata R.²,Bin Omran S.³,Vashney D.⁴,Abidri B.¹,Benkhettou N.¹,Chahed A.⁵,Benhellal O.⁵

Affiliation:

1. Laboratoire des Matériaux Magnétiques, Faculté des Sciences, Université DjillaliLiabčs de Sidi Bel-Abbčs, Sidi Bel-Abbčs 22000, Algeria

2. Laboratoire de Physique Quantique et de Modélisation Mathématique (LPQ3M), Département de Technologie, Université de Mascara, 29000, Algeria

3. Department of Physics and Astronomy, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia

4. Materials Science Laboratory, School of Physics, Vigyan Bhavan, Devi Ahilya University, Khandwa Road Campus, Indore 452001, India

5. Condensed Matter and sustainable development Laboratory (LMCDD), University of Sidi Bel-Abbes, Sidi Bel-Abbes 22000, Algeria

Abstract

Abstract The structural, electronic and optical properties of (BeTe)n/(ZnSe)m superlattices have been computationally evaluated for different conﬁgurations with m = n and m≠n using the full-potential linear mufﬁn-tin method. The exchange and correlation potentials are treated by the local density approximation (LDA). The ground state properties of (BeTe)n/(ZnSe)m binary compounds are determined and compared with the available data. It is found that the superlattice band gaps vary depending on the layers used. The optical constants, including the dielectric function ε(ω), the refractive index n(ω) and the refractivity R(ω), are calculated for radiation energies up to 35 eV.

Publisher

Walter de Gruyter GmbH

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

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