研究目的
To study the structure, thermal behavior, and crystallization of glasses in the MnNbOF5–BaF2–InF3 system.
研究成果
Glasses in the MnNbOF5–BaF2–InF3 system form mixed networks of oxyfluoroniobate and fluoroindate polyhedra. Crystallization occurs in one or two steps, with Ba3In2F12 and BaNbOF5 as major crystal phases. Transparent glass-ceramic nanocomposites can be obtained with controlled heat treatment.
研究不足
The study focuses on the MnNbOF5–BaF2–InF3 system, and the findings may not be directly applicable to other glass systems. The crystallization process requires careful monitoring to achieve transparent glass-ceramic nanocomposites.
1：Experimental Design and Method Selection:
Glasses were prepared in the MnNbOF5–BaF2–InF3 system and studied using IR and Raman spectroscopy, DSC, X-ray powder diffraction, and microscopy.
2：Sample Selection and Data Sources:
Initial components included BaF2, (NH4)3InF6, and MnNbOF5 ? 4H2O.
3：2O. List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: Bruker D8 ADVANCE diffractometer, IFS Equinox 55S spectrophotometer, TriVista 777 Acton triple spectrometer, DSC-204-F1 (NETZSCH) system, Libra 120 transmission electron microscope.
4：Experimental Procedures and Operational Workflow:
Glasses were manufactured in closed platinum crucibles inside a muffle at 750–850°С, then rapidly cooled.
5：Data Analysis Methods:
IR and Raman spectra were analyzed for structural information, DSC for thermal behavior, and X-ray diffraction for crystal phase identification.
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