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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Acknowledgements
The authors wish to thank NSFC project (Grant No. 50974066), NSFY project (Grant No. 2009ZC013M) and KMUST project (Grant No. KKZ3201351012) for the financial support to carry out this work.
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Liu, X., Yan, Yz., Chen, Qm. et al. Laser-induced voltage (LIV) enhancement of La2/3Sr1/3MnO3 films with Ag addition. Appl. Phys. A 115, 1371–1374 (2014). https://doi.org/10.1007/s00339-013-8013-8
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DOI: https://doi.org/10.1007/s00339-013-8013-8