Functional Properties of Donor (Al) and Acceptor (Cu) Codoped High Dielectric Constant ZnO Nanoparticles

Table 1

Crystallite size (), strain (), dislocation density (), and lattice parameters (, ) of pristine and Al and Cu codoped ZnO (0.25%, 0.5%, and 0.75%) annealed at 350°C and 600°C.

Sample name	Annealed at 350°C					Annealed at 600°C
	(nm)	Strain ()	(nm^-2)	(Å)	(Å)	(nm)	Strain ()	(nm^-2)	(Å)	(Å)
Pristine ZnO	35.53	1.76-03	7.92-04	3.34	5.46	45.53	2.17-03	4.82-04	3.31	5.43
0.25% codoped ZnO	33.80	0.90-03	8.75-04	3.25	5.31	41.06	1.19-03	5.93-04	3.23	5.29
0.50% codoped ZnO	33.00	0.90-03	9.18-04	3.19	5.21	40.76	0.92-03	6.01-04	3.19	5.21
0.75% codoped ZnO	32.84	0.89-03	9.27-04	3.16	5.11	34.65	0.74-03	8.32-04	3.12	5.07