Infrared-Active Modes in Finite and Infinite Hexagonal Boron Nitride

In this theoretical paper, we study the Infrared spectra of h-BN as a function of their lengths. Calculations are performed in the framework of the force constants model, using the spectral moments method. This original approach allows us to consider not only infinite h-BN sheet as usual in most the...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2020-03, Vol.783 (1), p.12012
Main Authors: Boutahir, Oussama, Lakhlifi, Souhail, Boutahir, Mourad, Fakrach, Brahim, Rahmani, Abdelhai, Chadli, Hassane, Rahmani, Abdelali
Format: Article
Language:English
Subjects:
Boron nitride
Infrared spectra
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Summary:In this theoretical paper, we study the Infrared spectra of h-BN as a function of their lengths. Calculations are performed in the framework of the force constants model, using the spectral moments method. This original approach allows us to consider not only infinite h-BN sheet as usual in most theoretical models but also h-BN sheet with finite lengths. These predictions are useful to interpret the experimental data.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/783/1/012012