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題名: Magnetothermopower and Magnetoresistivity of RuSr2Gd1-xLaxCu2O8 (x = 0, 0.1)
作者: Liu, Chia-Jyi;Sheu, C. S.;Wu, T. W.;Huang, L. C.;Hsu, F. H.;Yang, H. D.;Williams, G. V. M.;Liu, Chia-Jung C.
貢獻者: 物理學系
日期: 2005-01
上傳時間: 2012-09-10T06:14:31Z
出版者: The American Physical Society
摘要: We report measurements of magnetothermopower and magnetoresistivity as a function of temperature on RuSr2Gd1−xLaxCu2O8 (x=0,0.1). The normal-state thermopower shows a dramatic decrease after applying a magnetic field of 5 T, whereas the resistivity shows only a small change after applying the same field. Our results suggest that RuO2 layers are conducting and the magnetic field induced decrease of the overall thermopower is caused by the decrease of partial thermopower associated with the spin entropy decrease of the carriers in the RuO2 layers.
關聯: Phys. Rev. B, 71(1): 014502
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