Fig. 3

Bode-impedance modulus and Bode-phase angle plots of the blank (◼) and La@TG -containing (●) samples immersed for 3, 5, 24, 48, 72, and 96 h in the corrosive medium.

Bode-impedance modulus and Bode-phase angle plots of the blank (◼) and La@TG -containing (●) samples immersed for 3, 5, 24, 48, 72, and 96 h in the corrosive medium.