From Phase Diagram to Functional Properties: TbGa₃(BO₃)₄ Crystal Growth and Its Stoichiometry-Dependent Optical Behavior | Sciact - CRIS-system of Boreskov Institute of Catalysis

From Phase Diagram to Functional Properties: TbGa₃(BO₃)₄ Crystal Growth and Its Stoichiometry-Dependent Optical Behavior Full article

Journal

Journal of Alloys and Compounds
ISSN: 0925-8388 , E-ISSN: 1873-4669

Output data

Year: 2025, DOI: 10.1016/j.jallcom.2025.183562

Tags

Nonstoichiometry, Huntites, Tb3+, SHG, Luminescence, structure

Authors

Kuznetsov A.B. ¹ , Jamous A.Y. ^1,2 , Svetlichnyi V.A. ² , Rakhmanova M.I. ³ , Bogdanov N.E. ¹ , Kokh A.E. ¹ , Shevchenko V.S. ¹ , Kokh K.A. ¹

Affiliations

1	Sobolev Institute of Geology and Mineralogy SB RAS, Novosibirsk 630090, Russia
2	Tomsk State University, Tomsk 634050, Russia
3	Nikolaev Institute of Inorganic Chemistry SB RAS, Novosibirsk 630090, Russia

The TbBO3-GaBO3 phase diagram was investigated. The system was found to comprise solid solutions based on TbGa₃(BO₃)₄, TbBO₃ and GaBO₃ compounds. The detection of non-stoichiometry in TbGa₃(BO₃)₄ is crucial, as it directly influences the material's functional properties. The green luminescence exhibited by all samples, with the exception of those containing undoped GaBO₃, was found to be correlated with the 5D3→7F6 electron transition of Tb³⁺. The potential of grown Tb1.05Bi0.03Ga2.92(BO3)4 crystals for second harmonic generation from Nd:YAG was demonstrated by their efficiency (deff), which was found to be 2.35 times higher than that of KH2PO4 (KDP) crystals.

Kuznetsov A.B. , Jamous A.Y. , Svetlichnyi V.A. , Rakhmanova M.I. , Bogdanov N.E. , Kokh A.E. , Shevchenko V.S. , Kokh K.A.
From Phase Diagram to Functional Properties: TbGa₃(BO₃)₄ Crystal Growth and Its Stoichiometry-Dependent Optical Behavior
Journal of Alloys and Compounds. 2025. DOI: 10.1016/j.jallcom.2025.183562

Submitted:	Aug 4, 2025
Accepted:	Sep 4, 2025
Published online:	Sep 8, 2025

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