Study of Optical and Structural Characteristics of Ceria Nanoparticles Doped with Negative and Positive Association Lanthanide Elements

Table 1

The complete measured data for MDC nanoparticles.

The used dopants within ceria	Direct Eg (eV)	Peak fluorescent intensity (arb. units)	Lattice parameter (nm)	Interplanar distance (nm)	Mean particle size using TEM (nm)	Mean particle size using XRD (nm)
Nd
With no Ho or Er	3.22	37.90	0.535	0.309	6.39	6.45
With equal amount of Ho	3.26	22.11	0.514	0.297	6.48	6.56
With double amount of Ho	3.29	17.61	0.505	0.292	6.72	6.83
With equal amount of Er	3.27	20.47	0.532	0.307	6.60	6.55
With double amount of Er	3.28	15.92	0.528	0.305	6.69	6.83
Sm
With no Ho or Er	3.23	33.95	0.531	0.307	6.23	6.29
With equal amount of Ho	3.29	23.09	0.514	0.297	6.39	6.30
With double amount of Ho	3.30	22.41	0.511	0.295	6.60	6.55
With equal amount of Er	3.35	21.70	0.507	0.290	6.60	6.31
With double amount of Er	3.37	18.53	0.502	0.287	6.72	6.56