Abstract

With various pulse laser energy (Epulse), La2/3Ca1/3MnO3:Agx [La1−xCaxMnO3 (LCMO):Agx, x = 0.04, wt%] films were prepared on vicinal cut LaAlO3 substrates by the pulsed laser deposition technique. It is found that laser-induced voltage (LIV) of LCMO:Ag0.04 films was improved and enhanced by Epulse. With Epulse increasing, figure of merit (Fm) and anisotropic Seebeck coefficient (ΔS) of LCMO:Ag0.04 films reached the maximum value of 109.8 mV/ns and 0.29 μV/K for Epulse = 300 mJ. The results suggested that the LIV enhancement of LCMO:Ag0.04 films was due to Seebeck tensor improvement, the high crystallization and oxygen balance in LCMO:Ag0.04 films.

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