Research Article

Critical Analysis on the Structural and Magnetic Properties of Bulk and Nanocrystalline Cu-Fe-O

Table 3

and hkl values of bulk Cu0.95Fe0.05O shown in comparison with possible secondary phases to indicate the closeness of the values.

(Å) of Cu0.95Fe0.05O from SAEDMonoclinic CuOCubic CuFe2O4Cubic Fe3O4Rhombohedral
JCPDS 65-2309 JCPDS 77-0010JCPDS 85-1436α-Fe2O3 JCPDS 80-2377
(Å)hkl (Å)hkl (Å)hkl (Å)hkl

2.8232.742 1 1 02.959 2 2 02.967 2 2 02.699 1 0 4*
2.4302.515−1 1 1*2.523 3 1 1*2.530 3 1 1*2.517 1 1 0
2.2402.315 1 1 12.206 1 1 3
1.9291.955−1 1 21.920 3 3 11.925 3 3 11.841 0 2 4
1.6661.708 0 2 01.610 5 1 11.615 5 1 11.694 1 1 6
1.4851.575 2 0 21.479 4 4 01.483 4 4 01.486 2 1 4
1.3331.371 2 2 01.323 6 2 01.325 6 2 01.349 2 0 8
1.2201.298 3 1 11.208 4 4 41.211 4 4 41.258 2 2 0
1.1091.117−4 0 21.118 6 4 21.121 6 4 21.103 2 2 6
1.0151.014 2 2 31.089 7 3 11.092 7 3 1
0.9440.941−1 3 3
0.9090.915−3 3 1
0.8870.888−3 3 2
0.8490.851 5 1 1
0.7970.798 5 1 2

* Indicates the respective 100% peak.