Induced changes in the refractive index of LiNbO3 crystals through Sc2O3 doping |
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| Affiliation: | 1. Departamento de Fı́sica de Materiales C-IV, Universidad Autónoma de Madrid, 28049-Madrid, Spain;2. Instituto de Fı́sica, Universidad Nacional Autónoma de México, Apdo., Postal 20-364, CP 01000 Del. A., Obregón, México, D.F., Mexico;1. Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;2. University of Chinese Academy of Sciences, Beijing 00039, China;3. State Key laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;1. Departamento de Química Inorgánica y Nuclear, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Cd. Mx., 04510, México;2. Instituto de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Cd. Mx., 04510, México;3. Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Ciudad Universitaria, Cd. Mx., 04510, México;4. Instituto de Física, Universidad Nacional Autónoma de México, Ciudad Universitaria, Cd. Mx., 04510, México;5. Département de Chimie, Université de Montréal, Montréal, QC H3C 3J7, Canada;1. Unidad Académica Profesional Nezahualcóyotl, Universidad Autónoma del Estado de México, Av. Bordo de Xochiaca s/n, Nezahualcóyotl, Estado de México 57000, Mexico;2. Dipartimento di Biotecnologie, Università di Verona, and INSTM, UdR Verona, Strada Le Grazie 15, I-37314 Verona, Italy;3. IFAC CNR, Nello Carrara Institute of Applied Physics, MDF Lab, I-50019 Sesto Fiorentino, FI, Italy;4. Instituto de Física, Universidad Nacional Autónoma de México, P.O. Box 20-364, México, D.F. 01000, Mexico;5. Departamento de Física, Universidad Autónoma Metropolitana-Iztapalapa, P.O. Box 55-534, México, D.F. 09340, Mexico;1. National Renewable Energy Laboratory, Golden, CO 80401, USA;2. Colorado School of Mines, Golden, CO 80401, USA;3. Trina Solar Inc., Changzhou, PR China;4. Ningbo Institute of Industrial Technology, Chinese Academy of Science, Ningbo, PR China;1. Department of Physics, Loyola College, Chennai, 34, India;2. Loyola Institute of Frontier Energy (LIFE), Loyola College, Chennai, 34, India |
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| Abstract: | The dependence of the ordinary (no) and extraordinary (ne) refractive indices in congruent Sc2O3-doped LiNbO3 crystals are reported. The Sc3+ ion concentrations in the crystals were varied from 0% to 7%. It has been found that no shows a clear singularity for a Sc3+ ion concentration of 3%. The experimental data of no and ne are described by a generalised Sellmeier equation, which takes into account different Sc3+ ions sites location in the host matrix. Additionally, the role of the Sc2O3 content in the intrinsic defect distribution in LiNbO3 crystals has been studied by using Cr3+ ions as an EPR probe. |
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