Fig. 3
From: Suppression of atom motion and metal deposition in mixed ionic electronic conductors
Critical electric potential difference (Vc) under a temperature gradient. a The relative Seebeck coefficient variation (S/S0) as a function of the current density for Cu1.97S at Tcathode = 300 K and Tanode = 673 K. The positive J means that the current direction is the same as the heat flux direction. The negative J means that the current direction is opposite to the heat flux direction. b Experimentally determined Vc,same and Vc,opposite as a function of |∆T|, showing qualitative agreement with Eqs. 8 and 9. The temperatures at the anode and cathode for each flux direction can be found in text. The length of all measured samples is 6 mm. The dashed lines are guides to the eye
