A new approach to producing transparent ZnAl2O4 ceramics |
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| Affiliation: | 1. School of Physical Science and Information Technology, Liaocheng University, Liaocheng 252059, China;2. Key Laboratory of Optical Communication Science and Technology of Shandong Province, Liaocheng University, Liaocheng 252059, China;3. Department of Physics, Southeast University, Nanjing 211189, China |
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| Abstract: | A new approach to producing of transparent bulk ZnAl2O4 ceramics based on hot pressing of powders (1600 °С, 50 МPа) in presence of sintering additive ZnF2 is described. Using this approach in the presence of 5 wt% of ZnF2 transparent ZnAl2O4 ceramics was prepared with transparency range from 0.2 to 7.5 μm and with band gap of about 6.05 eV. The average grain size was about 33 μm and the transmittance at the wavelength of 550 nm was about 63%. |
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| Keywords: | Ceramics Sintering additive |
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