Research Article
Critical Analysis on the Structural and Magnetic Properties of Bulk and Nanocrystalline Cu-Fe-O
Table 4
and hkl values of nanocrystalline Cu
0.95Fe
0.05O shown in comparison with possible secondary phases to indicate the closely situated
planes.
| | (Å) of Cu0.95Fe0.05O from SAED | Monoclinic CuO | Cubic CuFe2O4 | Cubic Fe3O4 | Rhombohedral | | JCPDS 65-2309 | JCPDS 77-0010 | JCPDS 85-1436 | α-Fe2O3 JCPDS 80-2377 | | (Å) | hkl | (Å) | hkl | (Å) | hkl | (Å) | hkl |
| | 3.310 | — | — | — | — | — | — | 3.682 | 0 1 2 | | 2.685 | 2.515 | −1 1 1* | 2.523 | 3 1 1* | 2.530 | 3 1 1* | 2.699 | 1 0 4* | | 2.341 | 2.315 | 1 1 1 | 2.416 | 2 2 2 | 2.422 | 2 2 2 | 2.517 | 1 1 0 | | 2.086 | 1.955 | −1 1 2 | 2.092 | 4 0 0 | 2.098 | 4 0 0 | 2.078 | 2 0 2 | | 1.891 | 1.859 | −2 0 2 | 1.920 | 3 3 1 | 1.713 | 4 2 2 | 1.841 | 0 2 4 | | 1.684 | 1.708 | 0 2 0 | 1.708 | 4 2 2 | 1.615 | 5 1 1 | 1.694 | 1 1 6 | | 1.616 | 1.617 | 0 2 1 | 1.610 | 5 1 1 | 1.483 | 4 4 0 | 1.602 | 1 2 2 | | 1.514 | 1.501 | −1 1 3 | 1.479 | 4 4 0 | 1.418 | 5 3 1 | 1.486 | 2 1 4 | | 1.368 | 1.375 | 1 1 3 | 1.414 | 5 3 1 | 1.327 | 6 2 0 | 1.349 | 2 0 8 | | 1.217 | 1.257 | −2 2 2 | 1.208 | 4 4 4 | 1.279 | 5 3 3 | 1.213 | 2 2 3 | | 1.053 | 1.070 | 1 3 1 | 1.089 | 7 3 1 | 1.092 | 7 3 1 | 1.103 | 2 2 6 | | 0.917 | 0.951 | −3 3 1 | — | — | — | — | — | — | | 0.748 | — | — | — | — | — | — | — | — | | 0.636 | — | — | — | — | — | — | — | — |
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*
Indicates the respective 100% peak.
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