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Surface composition of anhydrous monocalcium aluminate, CaAl2O4

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Abstract

Electron spectroscopy (ESCA) and electron spin resonance (ESR) have been used to study the surface of synthetic calcium monoaluminate, CaAl2O4. There are differences between annealed and quenched samples; the surface of the annealed material has the expected composition, while that of the quenched specimen has an apparently non-stoichiometric surface with high aluminium levels. Aluminium-oxygen groups are probably associated with unpaired electrons which make up the deficiency in negative charge. Suggestions are made regarding substitution processes by various impurity ions.

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References

  1. 1.

    T. D. Robson, in “The Chemistry of Cements”, Vol. 2, edited by H. F. W. Taylor (Academic, London, 1972) p. 3.

  2. 2.

    L. Heller, PhD thesis, University of London (1951).

  3. 3.

    M. W. Dargill,Nature 180 (1957) 292.

  4. 4.

    A. J. Majumdar,Brit. Ceram. Soc. Trans. 629 (1968) 53.

  5. 5.

    MME. Jeanne,Revue Mater. Constr. Trav. Publ. 629 (1968) 53.

  6. 6.

    D. Menetrier, I. Jawed, T. S. Sun andJ. Skalny,Cem. Conc. Res. 9 (1979) 473.

  7. 7.

    Idem andJ. Skalny,ibid. 10 (1980) 425.

  8. 8.

    Idem andJ. Skalny,ibid. 11 (1981) 297.

  9. 9.

    J-H. Thomassin, M. Regourd, P. Baillif andJ-C. Touray,C. R. Acad. Sci. (C) 288 (1979) 93.

  10. 10.

    M. Regourd, J-H. Thomassin, P. Baillif andJ-C. Touray, “Proceedings 7th International Congress on Chemistry of Cement,” Vol. 2 (Editions Septima, Paris, 1980) p. 11–123.

  11. 11.

    M. E. Tadros, W. Y. Jackson andJ. Skalny, Proceedings International Conference on Colloids and Surfaces, Vol. IV, edited by M. Kerker (Puerto Rico, 1976) p. 211.

  12. 12.

    I. Jawed andJ. Skalny, International Seminar on Calcium Aluminates, Torino (1982).

  13. 13.

    M. C. Ball, R. E. Simmons andI. Sutherland,Brit. Ceram. Proc. 35 (1985) 1.

  14. 14.

    Idem andI. Sutherland,J. Mater. Sci. 22 (1987) 1975.

  15. 15.

    K. Yabe andT. Yamashina,Appl. Surf. Sci. 8 (1981) 387.

  16. 16.

    M. C. Ball andC. M. Marsh, unpublished results.

  17. 17.

    A. N. Scian, J. M. Porto Lopez andE. Pereira,Cem. Conc. Res. 17 (1987) 198.

  18. 18.

    D. Briggs, “Handbook of X-Ray and Ultraviolet Photoelectron Spectroscopy” (Heyden, London, 1977).

  19. 19.

    M. C. Ball, C. M. Marsh andM. C. R. Symons,J. Mater. Sci.,22 (1987).

  20. 20.

    O. P. Anderson, S. A. Fieldhouse,C. E. Forbes andM. C. R. Symons,J. Chem. Soc. Dalton (1976) 1329.

  21. 21.

    J. E. Wertz andJ. R. Bolton, “Electron Spin Resonance: Elementary Theory and Applications” (McGraw-Hill, New York, 1972).

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Ball, M.C., Marsh, C.M., Simmons, R.E. et al. Surface composition of anhydrous monocalcium aluminate, CaAl2O4 . J Mater Sci 23, 1431–1435 (1988). https://doi.org/10.1007/BF01154613

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Keywords

  • Polymer
  • Electron Spin Resonance
  • Negative Charge
  • Unpaired Electron
  • Surface Composition