17 June 2003 Acentric tantalate crystals as promising materials for quantum and optoelectronics
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Proceedings Volume 5129, Fundamental Problems of Optoelectronics and Microelectronics; (2003) https://doi.org/10.1117/12.502281
Event: Fundamental Problems of Optoelectronics and Microelectronics, 2002, Vladivostok, Russian Federation
Abstract
A simple empirical way to classify the known tantalates and to search for new efficient crystals is presented. As a basic criterion the shortest chemical bond length L(E, M-O) between cation and oxygen in crystal lattice is taken. Here the cations E and M are defined by the relation L(E-O)≤197 pm <L(M-O). In the plane L(M-O) - L(E-O) the acentric tantalate crystals are positioned inside of three intersected ellipses of "acentricity". The tantalate crystals with high non-linear and others physical paramaters are concentrated near few direct lines into the ellipses or positioned near the boundary of the rosette revealing inmonotonic dependency of the properties on the shortest chemical bond lengths. The representation gives the principles for searching novel tantalate crystals with desired properties, in particular, permits to reveal the compounds promising for creation new self-frequency-doubling laser mediums.
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Victor V. Atuchin, B. I. Kidyarov, "Acentric tantalate crystals as promising materials for quantum and optoelectronics", Proc. SPIE 5129, Fundamental Problems of Optoelectronics and Microelectronics, (17 June 2003); doi: 10.1117/12.502281; https://doi.org/10.1117/12.502281
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