Abstract
La2/3Sr1/3MnO3:Ag x (LSMO:Ag x , x=0, 0.04, 0.08, 0.10, 0.20, 0.30) films were grown on vicinal cut LaAlO3 (LAO) substrates by pulsed laser deposition technique (PLD). It is found that laser-induced voltage (LIV) of LSMO:Ag x films is improved and enhanced by Ag addition. With x increasing, figure of merit (F m ) and anisotropic Seebeck coefficient (ΔS) of LSMO:Ag x (x=0.08) films reach the maximum values of 28.25 mV/ns and 0.38 μV/K, respectively. The results suggest that the LIV enhancement of LSMO:Ag x films is due to the anisotropy of the Seebeck tensor, which is produced by long range cooperative Jahn–Teller distortions with Ag addition.
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