Table 1: Summary of doping concentrations (at.%), FWHM, (1 1 0) from XRD, grain size ( ), lattice parameters, tetragonal distortion ( ), and unit cell volume ( ) of Ni doped SnO2 powder samples.

Ni (at.%)FWHM (nm) (Å) (Å) 3)

30.10526.57814.7403.1850.67271.592
50.11226.59764.7373.1840.67271.460
70.11826.57724.7393.1850.67271.548
100.12626.59674.7363.1850.67271.438
150.11526.60744.7343.1860.67371.442