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The doping effect of altervalent cations on the thermal decomposition and electrical conduction properties of manganese(II) carbonate

  • Solid State Decompositions
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Abstract

The electrical conductivities of pure and doped manganese(II) carbonate with 10 mol% Li+ or Al3+ ions were measured. The effect of doping on the observed kinetic parameters of decomposition were measured. Doping with Li+ or Al3+ ions enhances the decomposition. The enhanced promotion effect is ascribed to the generation of hole defects which are concentrated at the reaction interface.

Zusammenfassung

Es wurde die elektrische Leitfähigkeit von reinem und versetzten Mangan(II)-karbonat mit 10 mol% Li+ oder Al3+ Ionen untersucht. Dabei wurde der Effekt der Versetzung auf die Zersetzungsparameter der beobachteten Kinetik gemessen. Versetzen mit Li+ oder Al3+ Ionen begünstigt die Zersetzung. Dieser begünstigende Effekt wird der Erzeugung von Lochdefekten zugeschrieben, die an der Reaktionsgrenzfläche gehäuft vorkommen.

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Authors and Affiliations

  1. Chemistry Department, Um Al-Qura University, Faculty of Applied Science, P.O. Box 3711, Makkah, Saudi Arabia

    E. A. Hassan, S. M. A. Katib, M. A. M. El-Qurashi & K. M. Abd El-Salaam

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  1. E. A. Hassan
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  2. S. M. A. Katib
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  3. M. A. M. El-Qurashi
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  4. K. M. Abd El-Salaam
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In celebration of the 60th birthday of Dr. Andrew K. Galwey

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Hassan, E.A., Katib, S.M.A., El-Qurashi, M.A.M. et al. The doping effect of altervalent cations on the thermal decomposition and electrical conduction properties of manganese(II) carbonate. Journal of Thermal Analysis 41, 337–346 (1994). https://doi.org/10.1007/BF02549319

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