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Iron effect on glass stability of sodium-calcium-phosphate glasses

Published online by Cambridge University Press:  24 January 2007

V. Simon ,
D. Muresan  and
S. Simon
V. Simon*
Affiliation:
Babes-Bolyai University, Faculty of Physics, M. Kogalniceanu Str. 1, 400084 Cluj-Napoca, Romania
D. Muresan
Affiliation:
Babes-Bolyai University, Faculty of Physics, M. Kogalniceanu Str. 1, 400084 Cluj-Napoca, Romania
S. Simon
Affiliation:
Babes-Bolyai University, Faculty of Physics, M. Kogalniceanu Str. 1, 400084 Cluj-Napoca, Romania
*
[email protected]
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Abstract

Thermal stability of amorphous system xFe2O $_{3}(100-x)$ [ 20Na2O $\cdot $ 30CaO $\cdot $ 50P2O5] , with $x \le20$  mol%, was investigated by differential thermal analysis (DTA). Critical crystal radii are evaluated using the molar volumes and the thermal glass stabilities. Partial crystallisation of samples was obtained by heat treatment carried out for 24 hours at two temperatures. The sites occupied by iron in glass and partially crystallised samples are characterised according to electron paramagnetic resonance (EPR) results.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 37 , Issue 2 , February 2007 , pp. 219 - 222
Copyright
© EDP Sciences, 2007

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References

Hattar, S., Berdal, A., Asselin, A., Loty, S., Greenspan, D.C., Sautier, J.-M., Eur. Cells Mater. 4, 61 (2002) CrossRef
C.A. Miller, I.M. Reaney, P.V. Hatton, P.F. James, in Proceedings of the International Symposium on Crystallization in Glasses and Liquids, Vaduz, edited by W. Holand, M. Schweiger, V. Rheinberger (Verlag der Deutchen Glastechnischen Gesellschaft Frankfurt, 2000), p. 154
Eniu, D., Cacaina, D., Coldea, M., Valeanu, M., Simon, S., J. Magn. Magn. Mater. 293, 310 (2005) CrossRef
Royle, M., MacKenzie, J., Taylor, J., Sharma, M., Feller, S., J. Non-Cryst. Solids 177, 242 (1994) CrossRef
Uhlmann, D.R., J. Non-Cryst. Solids 25, 42 (1977) CrossRef
Barbieri, L., Corradi, A.B., Leonelli, C., Siligardi, C., Manfredini, T., Pellacani, G.C., Mater. Res. Bull. 32, 637 (1997) CrossRef
Jewell, J.M., Spess, M., Ortolano, R.L., Shelby, J.E., J. Am. Ceram. Soc. 74, 92 (1991) CrossRef
Araujo, E.B., Eiras, J.A., de Almeida, E.F., de Paiva, J.A.C., Sombra, A.S.B., Phys. Chem. Glasses 40, 273 (1999)
R. El-Mallawany, in Proc. Int. Congr. Glass, Edinburg, Scotland, 1–6 July 2001, Extended Abstracts, Vol. 2
Cabral, A.A. Jr, Fredericci, C., Zanotto, E.D., J. Non-Cryst. Solids 219, 182 (1997) CrossRef
P.G. Debenedetti, Metastable Liquids (Princeton University Press, Princeton, 1996)
C.N. Rao, K.J. Rao, in Phase Transitions in Solids (Mc Graw-Hill Inc, 1978)
Fokin, V.M., Nascimento, M.L.F., Zanotto, E.D., J. Non-Cryst. Solids 351, 789 (2005) CrossRef
Thornburg, D.D., J. Non-Cryst. Solids 17, 2 (1975) CrossRef
Gránásy, L., James, P.F., Proc. R. Soc. Lond. A 454, 1745 (1998) CrossRef
Gránásy, L., James, P.F., J. Chem. Phys. 113, 9810 (2000) CrossRef
Boomadevi, S., Dhanasekaran, R., Ramasamy, P., Cryst. Res. Technol. 37, 159 (2002) 3.0.CO;2-Y>CrossRef
Griscom, D.L., J. Non-Cryst. Solids 40, 211 (1980) CrossRef
Ardelean, I., Pascuta, P., Peteanu, M., Mod. Phys. Lett. B 16, 231 (2002) CrossRef
Simon, S., Pop, R., Simon, V., Coldea, M., J. Non-Cryst. Solids 331, 1 (2003) CrossRef
Griscom, D.L., J. Non-Cryst. Solids 67, 81 (1984) CrossRef
Griscom, D.L., IEEE T. Magn. 17, 2718 (1981) CrossRef
Beermann, P.A., McGarvey, B.R., Muralidharan, S., Sung, R.C.W., Chem. Mater. 16, 915 (2004) CrossRef
Balan, E., Allard, T., Boizot, B., Morin, G., Muller, J.P., Clay. Clay Miner. 48, 439 (2000) CrossRef