Electrical Properties of a CeO₂-Bi_𝟐O_𝟑Mix System Elaborated at 600^∘C

Table 1

Sample characteristics (densities, grain sizes, and porosities).

Composition 𝑥	Average crystallites size 𝐷 (nm)		Experimental density 𝜇exp (g·cm^−3)	Calculated density 𝜇calc (g·cm^−3)	Porosity 𝑃
	CFC (ceria)
0	22		6.65	7.20	0.08
0.1	20		6.93	7.44	0.07
0.2	19		7.12	7.68	0.07
		𝛽^′ (Bi2O3)
0.3	11	20	7.71	8.50	0.09
0.4	10	29	7.94	8.52	0.07
0.5	10	34	7.98	8.52	0.06
0.6	10	36	8.02	8.53	0.06
0.7	10	38	7.94	8.53	0.07
		β (Bi2O3)
0.8		78	8.06	8.68	0.07
0.9		85	8.14	8.93	0.09
		α (Bi2O3)
1		181	8.73	9.36	0.07

Note: 𝜇_exp (g·cm⁻³) = m/V; 𝑃=1−𝜇_exp/𝜇_calc.