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Temperature Dependence of the Electro-optic Coefficient and Dielectric Permittivity in Rhodium Doped Barium Titanate (BaTiO3: Rh)

[ Vol. 9 , Issue. 1 ]


S. Bahsine*, M. Abarkan*, A. Maillard and N. C. Eddeqaqi   Pages 72 - 77 ( 6 )


Background: The most popular photorefractive material is BaTiO3 due to its large electrooptic coefficients (EO) as well as its dielectric properties at room temperature.

Objective: The doping of this crystal with rhodium (BaTiO3: Rh) has as a main goal to investigate possibility of working near infrared domaine (I.R).

Method: In this paper, we propose an experiment of the evolution of the electro-optical coefficient (EO) r33 and dielectric constant ε33 as function of temperature from 20°C to 50°C for a new crystal BaTiO3: Rh.

Result: We show that electro-optic and dielectric properties are the same behavior versus temperature variation.


Electro-optic, Dielectric, Temperature effect, rhodium doped barium titanate, photorefractive materials, ferroelectric crystal.


University of Moulay Ismail, Departement of physics, LAMPE (Laboratoire of Mechanic, Photonic and Energetic), P.O. Box 1120, Meknes, University of sidi Mohamed Ben Abdellah of Fes, LSI Laboratory, Polydisciplinary Faculty of Taza, B.P. 1223, Taza, University of Lorraine and Supelec, LMOPS (Laboratoire Matériaux Optiques Photonique et Système), EA-4423, 2 rue E. Belin, 57070 Metz, University of Moulay Ismail, LAMPE (Laboratoire of Mechanic, Photonic and Energetic), P.O. Box 1120, Meknes

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