Abstract
With various pulse laser energy (E pulse), La2/3Ca1/3MnO3:Ag x [La1−x Ca x MnO3 (LCMO):Ag x , 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 E pulse. With E pulse increasing, figure of merit (F m) 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 E pulse = 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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Acknowledgments
The authors wish to thank NSFC project (Grant No. 50974066), NSFY project (Grant No.2009ZC013M), KMUST project (Grant No. KKZ3201351012) and MFKMUST (Grant No. 2010001 and 2011040) for the financial support to carry out this work.
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Liu, X., Guo, Zp., Chen, Qm. et al. Influence of pulse laser energy on laser-induced voltage in La2/3Ca1/3MnO3:Ag0.04 films. Appl. Phys. A 116, 561–565 (2014). https://doi.org/10.1007/s00339-014-8551-8
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DOI: https://doi.org/10.1007/s00339-014-8551-8