Crystallisation of bulk silicate-phosphate glass samples studied by impedance spectroscopy


Impedance spectroscopy is used to measure the changes in electrical properties during the crystallisation of a phosphate phase in a glass with nominal molar composition 0(.)45 SiO2.0(.)405 MgO.0(.)045 K2O.0(.)1(3CaO. P2O5) being developed for biomedical applications. The results show that changes in electrical resistivity can he used to monitor the onset of crystallisation and the crystallisation peak in bulk samples.

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Chemistry; Materials Science


Queiroz, CM; Figueiredo, FM; Fernandes, MH; Frade, JR

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