NaLn(IO3)4 Iodates (Ln = Pr, Tb): New Representatives of Nonlinear Optical Crystals with the NaY(IO3)4 Structure-Reference-Cited by-同舟云学术

NaLn(IO3)4 Iodates (Ln = Pr, Tb): New Representatives of Nonlinear Optical Crystals with the NaY(IO3)4 Structure

Published:2023-11-01 Issue:11 Volume:68 Page:1528-1536
ISSN:0044-457X
Container-title:Журнал неорганической химии
language:
Short-container-title:Žurnal neorganičeskoj himii

Author:

Grigorieva O. P.¹,Stefanovich S. Yu.¹,Charkin D. O.¹,Dolgikh V. A.¹,Lysenko K. A.¹

Affiliation:

1. Chemistry Department, Moscow State University

Abstract

Interaction of rare-earth oxides (Pr, Tb, Er) with periodic acid or sodium iodate under hydrothermal conditions in the presence of Na2HPO4⋅12H2O leads to formation of complex NaLn(IO3)4 iodates. The compounds of Pr and Tb are reported for the first time. Single-crystal studies reveal that they are isostructural to the previously reported analogs of other rare-earths and adopt the non-centrosymmetric space group Сс. Polycrystalline samples generate a strong SHG signal above that of the potassium dihydrogen phosphate reference standard. They also exhibit wide optical transparency areas and high thermal stability.

Publisher

The Russian Academy of Sciences

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