Glass-crystall materials containing Bi12Tio20 and Bi4Ti3O12 phases obtained from freelycooled melts of Bi2O3-Tio2-Sio2-Nd2O3 system
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2018-01-01
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Abstract
Synthesis of selected samples of Bi2O3-TiO2-SiO2-Nd2O3 system was carried out on the ground of freely cooled melts in the range from 1450°C to 1100°C. The initial amount control of the start compositions provided the formation of polyphase glass-ceramics containing Bi12TiO20 and Bi4Ti3O12. The amorphous phases were based on oxides of silicon, bismuth, titanium and aluminum. The present investigation shows a way to control the crystalline and amorphous phase formation in bulk poly-crystalline materials on the ground of a selected system.