[1] [1] C. L. Chang, A. Kleinhammes, W. G. Moulton et al.. Symmetry-forbidden laser-induced voltages in YBa2Cu3O7-δ[J]. Phys. Rev. B, 1990, 41(16):11564～11567

[2] [2] K. L. Tate, R. D. Johnson, C. L. Chang et al.. Transient laser-induced voltages in room-temperature films of YBa2Cu3O7-δ[J]. Appl. Phys., 1990, 67(9):4375～4376

[3] [3] H. Lengfellner, S. Zeuner, W. Prettl et al.. Thermoelectric effect in normal-state YBa2Cu3O7-δ film[J]. Europhysics. Lett., 1994, 25(5):375～378

[4] [4] X. H. Li, H.-U. Habermeier, P. X. Zhang. Laser-induced off-diagonal thermoelectric voltage in LCMO thin films[J]. Magn. Magn. Mater., 2000, 211:232～237

[5] [5] P. X. Zhang, W. K. Lee, G. Y. Zhang. Time dependence of laser-induced thermoelectric voltages in La1-xCaxMnO3 and YBa2Cu3O7-δ thin films[J]. Appl. Phys. Lett., 2002, 81(21):4026～4028

[8] [8] I. Terasaki, Y. Sasago, K. Uchinokura. Large thermopower in a layered oxide NaCo2O4[J]. Phys. Rev. B, 1997, 56(20): 12685～12687

[9] [9] Takenori Fujii, Ichiro Terasaki, Takao Watanabe et al.. In-plane anisotropy on resistivity and thermopower in the misfit oxide Bi2-xPbxSr2Co2Oy[J]. Jpn. J. Appl. Phys., 2002, 41(Part 2, No.7A):L783～L786

[10] [10] Dongli Wang, Lidong Chen, Qin Yao et al.. High-temperature thermoelectric properties of Ca3Co4O9 with Eu substitution[J]. Solid State Commun., 2004, 129:615～618

[11] [11] Hank W. Eng, W. Prelier, S. Hebert et al.. Influence of pulsed laser deposition growth conditions on the thermoelectric properties of Ca3Co4O9 thin films[J]. J. Appl. Phys., 2005, 97: 013706～013727

[12] [12] S. Bhattacharya, D. K. Aswal, Ajay Singh et al.. Anisotropic electrical transport studies of Ca3Co4O9 single crystals grown by the flux method[J]. J. Crystal Growth, 2005, 277: 246～251