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JOURNAL OF MATERIALS SCIENCE 35 (2000) 5475 5483 Phase evolution and microstructural development
 

Summary: JOURNAL OF MATERIALS SCIENCE 35 (2000) 5475 5483
Phase evolution and microstructural development
in sol-gel derived MSnO3 (M = Ca, Sr and Ba)
A.-M. AZAD
, M. HASHIM, S. BAPTIST
Department of Physics, University Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
E-mail: abmajeed azad@hotmail.com
A. BADRI
Department of Metallurgical Engineering, McGill University, Quebec, Canada
A. UL. HAQ
Metallurgy Division, Dr. A.Q. Khan Research Laboratories, Kahuta, P.O. Box 502 Rawalpindi,
Pakistan
Alkaline-earth stannates having the general chemical formula MSnO3 (M = Ca, Sr and Ba)
have been projected as potential electronic ceramics. In view of the information gaps in the
reported research, a vigorous and systematic investigation on these exotic materials has
been carried out. In this communication, the synthesis of CaSnO3, SrSnO3 and BaSnO3 via
sol-gel technique is reported. Infrared spectroscopy and X-ray analyses of various gel
samples with different thermal history helped in identifying the reaction pathways and the
stage where amorphous gel to crystalline phase transition occurred. Grains of submicron
size with narrow size distribution and spherical morphology, were the most noticeable

  

Source: Azad, Abdul-Majeed - Department of Chemical and Environmental Engineering, University of Toledo

 

Collections: Materials Science; Energy Storage, Conversion and Utilization