Qiang ZHOU, Zhenyou WANG, Haixin WU, Changbao HUANG, Youbao NI, Xuezhou YU, Qianqian HU, Guojin LIU, Lingli WEI. Synthesis and purification of novel infrared nonlinear BaGa4Se7 polycrystalline[J]. Chinese Journal of Quantum Electronics, 2024, 41(5): 822

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- Chinese Journal of Quantum Electronics
- Vol. 41, Issue 5, 822 (2024)

Fig. 1. Schematic diagram of two-temperature zone method

Fig. 2. Temperature curve of two-temperature zone method

Fig. 3. (a) BGSe polycrystalline Synthesized by two-temperature zone method; (b) BGSe polycrystalline Synthesized byhigh-pressure-assisted method

Fig. 4. XRD patterns of the BGSe samples. (a) Two-temperature zone method; (b) High-pressure-assisted method;(c) Purification; (d) Simulation

Fig. 5. Purified BGSe ingot

Fig. 6. SEM images of BGSe polycrystalline. (a) Before purification; (b) After purification

Fig. 7. EDS images of BGSe polycrystalline. (a) Before purification; (b) After purification
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Table 2. ICP-MS test results for inorganic impurities in BGSe polycrystalline

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