Abstract
La2/3Ca1/3MnO3:Ag0.04 (LCMO:Ag0.04) films were prepared on single crystalline 15o vicinal cut LaAlO3 (LAO) substrates by pulsed laser deposition technique. All the samples showed along the (00l) orientation in orthorhombic structure with Pbnm space group. The figure of merit and anisotropic Seebeck coefficient (ΔS) of LCMO:Ag0.04 films reached the maximum value of 108.5 mV/ns and 0.39 μV/K at growth temperature of 790 °C, respectively. The results indicated that the LIV effect enhancement of the LCMO:Ag0.04 films was due to high crystallization and oxygen balance in the films, as well as photon scattering effect restrained and ΔS improved.
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