Table 1:
Details of Starting materials, processing temperatures, composition, and refined lattice constants of the bulk Zn
0.95
TM
0.05
O (TM = Cr, Mn, Fe, Co, & Ni) samples.
Sample ID
Starting materials
Sintering Temp
% of dopant from EDAX
Goodness of fit
Wt% of secondary phases
Refined lattice parameters
ZnO
bulk ZnO
As obtained
—
1.11
Single phase
= 3.2753 (2)
= 5.2476 (4)
Zn
0.95
Cr
0.05
O
ZnO & Cr
2
O
3
800°C/24 h
6.31%
1.53
0.044% of ZnCr
2
O
4
= 3.2647 (2)
= 5.2283 (4)
Zn
0.95
Mn
0.05
O
ZnO & MnO
1200°C/12 h
3.98%
1.15
Single phase
= 3.2800 (2)
= 5.2514 (5)
Zn
0.95
Fe
0.05
O
ZnO & Fe
2
O
3
1200°C/24 h
3.50%
1.27
0.022% of Zn
0.98
Fe
2.02
O
4
= 3.2750 (3)
= 5.2444 (5)
Zn
0.95
Co
0.05
O
ZnO & Co
3
O
4
900°C/12 h
3.82%
1.14
Single phase
= 3.2607 (2)
= 5.2200 (5)
Zn
0.95
Ni
0.05
O
ZnO & NiO
1200°C/24 h
3.86%
1.28
0.0472% of NiO
= 3.2717 (1)
= 5.2376 (3)