Table 1: Specific surface area, particle size, and Ti/Sr and Ta/Ti atomic ratios determined by EDX analysis of SrTi1-xTaxO3-yNy.

in the initial solutionParticle size* (nm)S.S.A (m2/g)EDX Analysis
Ti/SrTa/Ti

19.651.00.890
19.655.00.900.016
18.155.60.920.049
17.268.90.900.102

*determined by Scherrer’s method.