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Structural, electronic and optical properties of double perovskite oxide BaSrMgTeO6


 
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1. Title Title of document Structural, electronic and optical properties of double perovskite oxide BaSrMgTeO6
 
2. Creator Author's name, affiliation, country M. Ait Haddouch, A. Abbassi, Y. Aharbil, H. Labrim, Y. Tamraoui, F. Mirinioui, A. Benyoussef, L. Laânab and S. Benmokhtar; Laboratoire de Chimie Physique des Matériaux LCPM, Faculté des Sciences Ben M’Sik, Casablanca, Morocco; Morocco
 
3. Subject Discipline(s)
 
3. Subject Keyword(s) Synthesis; DFT; Optical properties; Wien2K; band structure.
 
4. Description Abstract

A double perovskite BaSrMgTeO6 has been synthesized and characterized by physical techniques: X-ray diffraction, and diffuse reflectance spectroscopy. It crystallizes at room temperature, in the cubic system with unit cell parameters: a=8.018Å (S.G Fm-3m) and shows an almost perfect ordering between Mg2+ and Te6+ cations at the B substructure. Based on Density Functional Theory (DFT), and using full Potential-linearized Augmented Plane Wave (FP-LAPW) method with the Generalized Gradient Approximation (GGA), implemented in the Wien2k package, we have investigated electronic and optical properties of such material. The optical band gap obtained with GGA approximation is equal to 2.8 eV, which is in good agreement with our experimental results. We found that transmittance T is stable and reaches the average of 90% in both experimental and theoretical studies.

 
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7. Date (YYYY-MM-DD) 17-08-2017
 
8. Type Status & genre Peer-reviewed Article
 
8. Type Type
 
9. Format File format PDF
 
10. Identifier Uniform Resource Identifier https://revues.imist.ma/index.php/jasi/article/view/8667
 
10. Identifier Digital Object Identifier (DOI) https://doi.org/10.48442/IMIST.PRSM/jasi-v1i1-3.8667
 
11. Source Title; vol., no. (year) Journal of Applied Surfaces and Interfaces; Vol 1, No 1-3 (2017)
 
12. Language English=en en
 
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14. Coverage Geo-spatial location, chronological period, research sample (gender, age, etc.)
 
15. Rights Copyright and permissions Copyright (c) 2017 Journal of Applied Surfaces and Interfaces