Influence of Replacement of B2O3 by SiO2 on the Structure and Magnetic Properties of BaO-Fe2O3-SiO2-B2O3-CeO2 Glass-Ceramics

Original Paper


In this study, a series of magnetic glass-ceramics with the composition of 20BaO-20Fe2O3-xSiO2- (60 − x)B2O3-1CeO2 (x = 0−50, in weight percent) were prepared by conventional melt casting followed by heat treatment method. The crystalline phases, structure, microstructure, and magnetic properties were investigated systematically with the gradual replacement of B2O3 by SiO2. The results indicated that there existed a “boron abnormal phenomenon” due to the variation of [BO3]/[BO4] in the glass-ceramics with xchange, which led to an abrupt transition in magnetic property. With x increasing from 20 to 30, a continuous transition from the paramagnetic to the ferromagnetic nature is observed, in which the values of M s were enhanced greatly with increasing x. The values of M s and M r for the x = 50 sample were 10.930 and 3.527 emu/g, respectively.


Magnetic properties Boron abnormal phenomenon Glass-ceramic 



This research was supported by the National Natural Science Foundation of China (51372144) and the Key Program of Innovative Research Team of Shaanxi Province (2014KCT-06).


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.School of Materials Science and EngineeringShaanxi University of Science & TechnologyXi’anChina

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