Lattice location of Hf and its interaction with other impurities in LiNbO3: a review

Jose G. Marques; Katharina Lorenz

doi:10.1117/1.OE.53.6.060901

12 June 2014 Lattice location of Hf and its interaction with other impurities in LiNbO3: a review

Jose G. Marques, Katharina Lorenz

Author Affiliations +

Optical Engineering, Vol. 53, Issue 6, 060901 (June 2014). https://doi.org/10.1117/1.OE.53.6.060901

Abstract

Lithium niobate, LiNbO ₃ , exists in a wide range of compositions, from congruent to stoichiometric. Undoped congruent LiNbO₃ suffers from a relatively low optical damage threshold that constitutes its major disadvantage for optoelectronic devices. The optical damage threshold is dependent on the amount of intrinsic defects and is considerably increased in stoichiometric material and in congruent material doped with specific impurities, such as Mg, In, Sc, and Zn. It has been recently shown that the doping with Hf leads to a significant increase of the photorefractive resistance at a threshold concentration of about 3 mol%. The study of the lattice location of Hf in LiNbO ₃ and its interaction with other impurities and intrinsic defects started more than a decade before the discovery of the role of this impurity, as Hf was a convenient probe for combined studies using the nuclear techniques perturbed angular correlations and Rutherford backscattering spectrometry/channeling. An integrated review of the main results obtained with these techniques is presented.

© The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Jose G. Marques and Katharina Lorenz "Lattice location of Hf and its interaction with other impurities in LiNbO3: a review," Optical Engineering 53(6), 060901 (12 June 2014). https://doi.org/10.1117/1.OE.53.6.060901

Published: 12 June 2014

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