Agus Setyo Budi, Safarudin Gazali Herawan, Asmala Ahmad, Sunaryo
The properties and structural features of RO-R2O-Na 2O-Al2O3-P2O5 (R= Mg, Ca, Ba and RO= Li) glasses in the system have been investigated. The properties of those glasses seem to depend on the field strength of the alkali or alkali-earth ions in glasses as in silicate glasses. Infrared (IR) spectroscopy indicates that the glass network is dominated by bridging P-tetrahedral present in glasses with O/P ≈ 3.0. The variation in physical properties of the glasses seem to be closely related to the variation in structure of the glasses and could be explained by simple mechanism such as field strength and differences in mass. © 2007 American Institute of Physics.
Jabatan Sains and Math, Pusat Perkhidmatan Akademik, Kolej Universiti Teknikal Kebangsaan Malaysia, 75450 Ayerkeroh, Melaka, Malaysia; Faculty of Mechanical Engineering, Kolej Universiti Teknikal Kebangsaan Malaysia, 75450 Ayerkeroh, Melaka, Malaysia; Physics Dept., Faculty of Science, State University of Jakarta, Jakarta 13320, Indonesia
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