References
G. Blasse, Philips Res. Rep. Suppl. 3 (1964).
H. Knock and H. Dannheim, Phys. Status Solidi A 37 (1976) K 135.
E. Degrave, C. Dauve, A. Govaert and J. D. Sitter, Solidi B 73 (1967) 527.
K. B. Modi, H. H. Joshi and R. G. Kulkarni, J. Mater. Sci. 31 (1996) 1311, and references therein.
KUNAL B. Modi, N. N. Jani and H. H. Joshi, Indian J. Pure Appl. Phys. 33 (1995) 758.
C. G. Whinfrey, D. W. Eckart and A. Tauber, J. Am. Chem. Soc. 82 (1960) 2695.
S. A. Mazen, M. H. Abdallah, B. A. Sabrah and H. A. M. Hashem, Phys. Status Solidi A 134 (1992) 263.
A. Globus, H. Pascard and V. Cagan, J. Phys. C Suppl. 38 (1977) 163.
K. J. Standly, “Oxide Magnetic Materials”, (Clarenden Press, Oxford, 1972).
B. D. Cullity, “Elements of X-ray Diffraction”, (Addison-Wesley Press, Reading, MA, 1959).