Optical Properties of Barium Strontium Niobate SBN61 Films

V. B. Shirokov; A. V. Pavlenko; D. V. Stryukov; Yu. V. Revinskii

doi:10.1134/S1063783418050293

Optical Properties of Barium Strontium Niobate SBN61 Films

Autores: Shirokov V.B.¹^,2, Pavlenko A.V.¹^,2, Stryukov D.V.¹^,2, Revinskii Y.V.¹
Afiliações:
1. Southern Research Center
2. Southern Federal University
Edição: Volume 60, Nº 5 (2018)
Páginas: 1005-1010
Seção: Phase Transitions
URL: https://bakhtiniada.ru/1063-7834/article/view/202962
DOI: https://doi.org/10.1134/S1063783418050293
ID: 202962

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Heteroepitaxial Sr_0.61Ba_0.39Nb₂O₆ films have been formed on MgO(001) substrates by RF deposition in an oxygen atmosphere. The film orientation with respect to the substrate is investigated using X-ray diffraction. The permittivity dispersion parameters in the visible range are determined by measuring optical transmission spectra. The films are found to have a wider band gap and a smaller refractive index as compared with the single-crystal material.