Structure-property relations of co-doped bismuth layer-structured Bi3.25La0.75(Ti1-xMo x )3O12 ceramics

Table 1 Physical, dielectric, and ferroelectric properties of Bi_3.25La_0.75(Ti_1-_xMo_x)₃O₁₂ ceramics

Mo content (mol)	Density (g•cm^-3)	Grain length (μm)	Dielectric properties^a		Ferroelectric properties
			ε _r	tan δ	P _r /P _max	E _c /E _max	R _sq
0	7.46 ± 0.03	2.59 ± 0.61	127	0.001	0.05	0.05	0.06
0.01	7.21 ± 0.01	2.66 ± 0.79	124	0.007	0.23	0.23	0.25
0.03	7.16 ± 0.03	4.61 ± 2.13	414	0.551	0.96	0.69	1.15
0.05	6.74 ± 0.02	5.94 ± 2.11	402	0.519	0.74	0.58	0.84
0.07	6.94 ± 0.02	7.73 ± 3.13	387	0.510	0.78	0.70	1.04
0.09	6.79 ± 0.01	8.04 ± 3.31	310	0.461	0.81	0.71	1.06
0.10	6.83 ± 0.02	8.13 ± 2.97	308	0.349	0.96	0.57	1.15

^aMeasurement was carried out at room temperature and at a frequency 1 kHz. ε_r, dielectric constant; tanδ, loss tangent; P_r, remanent polarization; P_max, maximum polarization; E_c, coercive field; E_max, maximum field; R_sq, loop squareness.