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Dependence of the laser-induced voltages on the oxygen content in normal state YBa2Cu3O7−δ films |
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| Authors: | X. M. Xiong Z. Q. Peng Y. L. Zhou Z. H. Cheng H. B. Lu H. S. Wang D. F. Cui L. Li G. Z. Yang |
| Affiliation: | Laboratory of Optical Physics, Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, P.O. Box 603, Beijing 100080, People's Republic of China |
| Abstract: | Our investigation on the relation between oxygen content and the laser-induced voltages of the YBa2Cu3O7−δ films in normal-state shows that deoxygenation of the superconducting films reduces the laser-induced voltages greatly, even reverses the sign of the signals at large oxygen deficiency. The absolute value of the negative signal at large oxygen deficiency can be greater than that of the positive signal. |
| Keywords: | Thermoelectric power YBCO thin film Oxygen stoichiometry Laser-induced voltage |
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