Fig. 4From: The Potential Application of BAs for a Gas Sensor for Detecting SO2 Gas Molecule: a DFT StudyElectron density for pristine N2/BAs (a), O2/BAs (b), CO2/BAs (c), H2O/BAs (d), CO/BAs (e), NO/BAs (f), NO2/BAs (g), NH3/BAs (h), and SO2/BAs (i)Back to article page