Research Article
Study of Zn-Cu Ferrite Nanoparticles for LPG Sensing
Table 1
Structural properties of the Zn-Cu ferrites.
| Zn-Cu ferrites | Positions 2(°) | -spacing observed () | -spacing (JCPDS) () | | TC | Crystallite size () | Lattice strain (%) |
() | -(JCPDS) () |
| | 29.915 | 2.9860 | 2.9851 | 2 | 2 | 0 | 0.4792 | 26.495 | 0.0051 | | | | 35.158 | 2.5517 | 2.5457 | 3 | 1 | 1 | 0.5485 | 28.214 | 0.0041 | 8.463 | 8.443 | | 36.877 | 2.4366 | 2.4347 | 2 | 2 | 2 | 0.4687 | 23.086 | 0.0048 | | | ZnFe2O4 | 42.841 | 2.1102 | 2.1108 | 4 | 0 | 0 | 0.4900 | 19.289 | 0.0049 | | | | 53.142 | 1.7229 | 1.7234 | 4 | 2 | 2 | 4.0714 | 23.237 | 0.0033 | | | | 56.664 | 1.6239 | 1.6248 | 5 | 1 | 1 | 0.4830 | 22.743 | 0.0032 | | | | 62.21 | 1.4918 | 1.4925 | 4 | 4 | 0 | 0.4561 | 21.695 | 0.0030 | | |
| | 29.9547 | 2.9821 | 2.9851 | 2 | 2 | 0 | 0.3350 | 69.665 | 0.1104 | | | | 35.3146 | 2.5408 | 2.5457 | 3 | 1 | 1 | 0.4229 | 47.097 | 0.1392 | 8.427 | 8.443 | | 36.9433 | 2.4324 | 2.4347 | 2 | 2 | 2 | 0.3608 | 60.809 | 0.1032 | | | Zn0.75Cu0.25Fe2O4 | 42.8465 | 2.1100 | 2.1108 | 4 | 0 | 0 | 0.4949 | 72.291 | 0.0753 | | | | 53.21 | 1.7209 | 1.7234 | 4 | 2 | 2 | 4.3134 | 90.330 | 0.0491 | | | | 56.6971 | 1.6230 | 1.6248 | 5 | 1 | 1 | 0.5616 | 53.751 | 0.0779 | | | | 62.2277 | 1.4914 | 1.4925 | 4 | 4 | 0 | 0.5064 | 64.460 | 0.0597 | | |
| | 30.3572 | 2.9435 | 2.9851 | 2 | 2 | 0 | 0.4177 | 139.581 | 0.0544 | | | | 35.6702 | 2.5163 | 2.5457 | 3 | 1 | 1 | 0.5220 | 70.696 | 0.0918 | 8.346 | 8.443 | | 37.393 | 2.4042 | 2.4347 | 2 | 2 | 2 | 0.5294 | 85.270 | 0.0727 | | | Zn0.50Cu0.50Fe2O4 | 43.3111 | 2.0884 | 2.1108 | 4 | 0 | 0 | 0.7036 | 108.657 | 0.0496 | | | | 53.7481 | 1.7049 | 1.7234 | 4 | 2 | 2 | 3.5573 | 90.5445 | 0.0486 | | | | 57.102 | 1.6125 | 1.6248 | 5 | 1 | 1 | 0.4084 | 28.731 | 0.1448 | | | | 62.6886 | 1.4815 | 1.4925 | 4 | 4 | 0 | 0.6800 | 78.789 | 0.0485 | | |
| | 30.1933 | 2.9591 | 2.9851 | 2 | 2 | 0 | 0.3682 | 69.705 | 0.1095 | | | | 35.5827 | 2.5223 | 2.5457 | 3 | 1 | 1 | 0.4296 | 47.132 | 0.1380 | 8.365 | 8.443 | | 37.2095 | 2.4156 | 2.4347 | 2 | 2 | 2 | 0.3699 | 85.225 | 0.0731 | | | Zn0.25Cu0.75Fe2O4 | 43.1625 | 2.0952 | 2.1108 | 4 | 0 | 0 | 0.6696 | 118.707 | 0.0455 | | | | 53.5478 | 1.7108 | 1.7234 | 4 | 2 | 2 | 4.1639 | 64.599 | 0.0683 | | | | 57.0276 | 1.6144 | 1.6248 | 5 | 1 | 1 | 0.4622 | 75.369 | 0.0553 | | | | 62.6281 | 1.4828 | 1.4925 | 4 | 4 | 0 | 0.5312 | 55.369 | 0.0691 | | |
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