First-Principles Calculation of Conductivity of Ce-C Codoped SnO₂ Contacts

Table 1

Lattice constants, cell volumes, and enthalpy change of SnO₂ before and after doping.

Data resource	a (Å)	b (Å)	c (Å)	Cell volume (Å^3)	Enthalpy change (eV)
This work SnO2	4.715	4.715	3.162	70.2951	−0.3788
Experiment [29]	4.737	4.737	3.186	71.4912	—
Theory [26]	4.735	4.735	3.188	71.4757	−0.014
This work C-SnO2	4.894	4.894	3.272	78.3684	−0.4246
Experiment [28]	4.889	4.889	3.321	79.4235	—
Theory [28]	4.885	4.885	3.279	78.2475	—
This work Ce-SnO2	4.946	4.946	3.389	82.9048	−1.7248
Experiment [30]	4.937	4.937	3.436	83.7489	—
Theory [27]	4.958	4.958	3.346	82.2506	−3.340
This work Ce-C-SnO2	4.938	4.938	3.381	82.4418	−2.1465