NDLI: Structural Study of Glass and Glass Ceramics Prepared with Egyptian Basalt

Content Provider	Springer Nature Link
Author	Hassaan, M. Y. Saudi, H. A. Saad, Hatem M. H. Mostafa, A. G. Ahmed, M. A. Iida, Y. Kubuki, S. Nishida, T.
Copyright Year	2015
Abstract	Egyptian basalt rock was used to prepare some glasses with different additives of Na$_{2}$O by the melt quenching method. The prepared glasses were characterized applying FTIR, XRD and Mössbauer Effect (ME) spectroscopy. XRD indicated that all the samples showed a homogeneous glassy phase except the sample containing 35 mol % of Na$_{2}$O which showed a very small crystalline phase of less than 5 %. FTIR measurements indicated the presence of various structural units including SiO$_{4,}$ FeO$_{4}$ and AlO$_{4}$. ME hyperfine parameters indicated the presence of both Fe$^{2+}$and Fe$^{3+}$in the low Na$_{2}$O content glasses (the first three samples), while the iron in the high Na$_{2}$O content glasses (the last three samples) showed only the Fe$^{3+}$ state. All the glass samples were heated at 900$^{°}$C for 6 h, of which XRD analysis showed different crystallites of nanometer size. ME spectra of the heat-treated (HT) samples indicated the presence of magnesium ferrites as confirmed by XRD study.
Starting Page	383
Ending Page	391
Page Count	9
File Format	PDF
ISSN	1876990X
Journal	Silicon
Volume Number	7
Issue Number	4
e-ISSN	18769918
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-08-05
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Basalt glass Glass ceramics Mössbauer effect IR Inorganic Chemistry Materials Science Optics, Optoelectronics, Plasmonics and Optical Devices Environmental Chemistry
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials

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