Abstract
Ceramics of and have been prepared and their dielectric and structural properties investigated. Firing conditions were adjusted to obtain sharp x-ray back reflections. The Curie point of increases with Ca concentration up to 136°C for , and then decreases. Both the tetragonal-orthorhombic and the orthorhombic-rhombohedral transition points of decrease monotonically with increasing Ca concentration. solid solutions with are ferroelectric at very low temperatures. SrTi assumes a tetragonal structure below about 80°K.
- Received 21 July 1961
DOI:https://doi.org/10.1103/PhysRev.124.1354
©1961 American Physical Society