Article Dans Une Revue Integrated Ferroelectrics Année : 2015

Characterization of Optical and Structural of Lanthanum Doped LiTaO3 Thin Films

Résumé

Undoped, 5%, and 10% lanthanum doped lithium tantalate thin films were annealed at 550°C temperature for 12.5 hours and their properties were characterized. The results showed that the dopant addition affects the crystal formation of LiTaO3 , especially the 10% La2O5 dopant, where the lattice of a = 5.11 Å, c = 13.30 Å, and its crystal was hexagonal. The observed functional groups were O-H, N-H, C=C, Li-O, Ta-O. The higher La2O5 dopant concentration leads to the higher absorption of Ta-O and Li-O, the lower the energy gap, the higher the refractive index, and the smaller the particle size of thin films.

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hal-01864899 , version 1 (30-08-2018)

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Irzaman Irzaman, Yunus Pebriyanto, Epa Rosidah Apipah, Iman Noor, Ahmad Alkadri. Characterization of Optical and Structural of Lanthanum Doped LiTaO3 Thin Films. Integrated Ferroelectrics, 2015, 167 (1), pp.137-145. ⟨10.1080/10584587.2015.1107358⟩. ⟨hal-01864899⟩

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