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Crystals 2017, 7(5), 125; doi:10.3390/cryst7050125

Synthesis and Characterization of New Sr3(BO3)2 Crystal for Stimulated Raman Scattering Applications

Institute of Crystal Materials & Key Laboratory of Functional Crystal Materials and Devices, Shandong University, Jinan 250100, China
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Academic Editor: Shujun Zhang
Received: 10 March 2017 / Revised: 24 April 2017 / Accepted: 24 April 2017 / Published: 28 April 2017
(This article belongs to the Section Crystal Engineering)
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Abstract

A new kind of borate crystalline material Sr3(BO3)2 with a similar calcite type structure was designed and synthesized by solid state reaction method, moreover, the single crystal growth was attempted with traditional Czochralski pulling method. Crystal phase of Sr3(BO3)2 was investigated by using X-Ray powder diffraction (XRPD) at room temperature and found similar to Ca3(BO3)2 crystal with space group of R-3c. The phase stability was studied by means of thermogravimetric differential thermal analysis (TG/DTA) and high temperature XRPD up to 1350 °C, where an obvious endothermic peak was observed in DTA curve around 1250 °C, and weak splits of diffraction peaks were found at temperatures above 1250 °C, indicating the existence of structure transformation for Sr3(BO3)2 crystal. Raman properties were studied experimentally and theoretically by using density functional perturbation theory, though the strongest frequency shift of Sr3(BO3)2 crystal (900 cm−1) was comparable to that of Ca3(BO3)2 (927 cm−1), the line width of the strongest Raman peak obtained for Sr3(BO3)2 (5.72 cm−1) was much lower than Ca3(BO3)2 (7.01 cm−1), indicating a larger Raman gain for Sr3(BO3)2 crystal, which would be favorable for stimulated Raman scattering application. View Full-Text
Keywords: Sr3(BO3)2; Raman; crystal growth; phase transformation Sr3(BO3)2; Raman; crystal growth; phase transformation
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MDPI and ACS Style

Wang, X.; Qi, H.; Li, Y.; Yu, F.; Wang, H.; Chen, F.; Liu, Y.; Wang, Z.; Xu, X.; Zhao, X. Synthesis and Characterization of New Sr3(BO3)2 Crystal for Stimulated Raman Scattering Applications. Crystals 2017, 7, 125.

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