Microstructure evolution during vacuum sintering of Tm,Ho:(Lu2/3Sc1/3)2O3 transparent ceramics

Hanlin Yang; Tao Xu; Wei Jing; Bin Kang; Jiachen Liu

doi:10.1117/12.2584595

4 December 2020 Microstructure evolution during vacuum sintering of Tm,Ho:(Lu_2/3Sc_1/3)₂O₃ transparent ceramics

Hanlin Yang, Tao Xu, Wei Jing, Bin Kang, Jiachen Liu

Proceedings Volume 11617, International Conference on Optoelectronic and Microelectronic Technology and Application; 116170L (2020) https://doi.org/10.1117/12.2584595
Event: International Conference on Optoelectronic and Microelectronic Technology and Application, 2020, Nanjing, China

Abstract

The microstructure evolution and optical properties of vacuum combined with hot isostatic pressing(HIP) sintered Tm,Ho:(Lu_2/3Sc_1/3)₂O₃ transparent ceramics were studied. The ceramics were sintered in vacuum followed by HIP to obtain Tm,Ho:(Lu_2/3Sc_1/3)₂O₃ with high transparency. Changes of microstructure and densification rate due to the vacuum sintering temperature increasing were studied from 1100°C to 1780°C. With the increase of the operating temperature, the densification rate of the ceramics presented nonlinear characteristics. The growth of the grains was remarkably accelerated at higher temperatures (above 1500°C). The in-line transmittance of Tm,Ho:(Lu_2/3Sc_1/3)₂O₃ ceramics vacuum sintered at 1780°C followed by HIP at 1700°C exceeded 81.68% at 2090 nm.

Citation Download Citation

Hanlin Yang, Tao Xu, Wei Jing, Bin Kang, and Jiachen Liu "Microstructure evolution during vacuum sintering of Tm,Ho:(Lu_2/3Sc_1/3)₂O₃ transparent ceramics", Proc. SPIE 11617, International Conference on Optoelectronic and Microelectronic Technology and Application, 116170L (4 December 2020); https://doi.org/10.1117/12.2584595

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