Characterization of powder-calcined BaZnGeO4 by thermal analysis |
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| Affiliation: | 1. Boreskov Institute of Catalysis, Novosibirsk, Russia;2. Tyumen State University, Tyumen, Russia;1. Electrical and Electronic Engineering Department, Universiti Teknologi PETRONAS, 31750 Tronoh, Perak, Malaysia;2. Mechanical Engineering Department, Universiti Teknologi PETRONAS, 31750 Tronoh, Perak, Malaysia;1. College of Science & Ministry-Province Jointly Constructed Cultivation Case for State Key Laboratory of Processing for Non-Ferrous Metal and Featured Materials & Key Laboratory of Nonferrous Materials and New Processing Technology, Guilin University of Technology, Guilin, 541004, China;2. School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji, Shaanxi, 721016, China;1. College of Information Science and Engineering, Huaqiao University, Xiamen 361021, China;2. College of Engineering, Huaqiao University, Quanzhou 362021, China |
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| Abstract: | The characterization of powder-calcined BaZnGeO4 has been performed by differential thermal analysis. X-ray diffraction and scanning electron microscopy. The calcination temperature influences the successive phase transitions which are well characterized in DTA. The peak height of the anomaly due to the I–II phase transition is proportional to the fraction of synthesized BaZnGeO4 in the sample. The anomaly due to the IV/2-V phase transition is not proportional to the fraction of BaZnGeO4, but is dependent on the physical impurities remaining in the specimen. The mechanism of the successive phase transitions is discussed. |
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