On the magnetic field induced spin structure change and the related magnetoconductance in LaMCuO system (M=Ba and Sr)

M. Sato, M. Sera, S. Yamagata, S. Shamoto, K. Oka

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2 引文 斯高帕斯(Scopus)

摘要

Transport and magnetic properties have been studied on La2-xMxCuO4 crystals. The jump of the magnetization ΔM, observed at the spin structure change induced by the magnetic field perpendicular to the CuO2 plane was found to decrease below T=T1∼<30K in certain x region, suggesting the development of a new low temperature magnetic phase. Significant increase in the conductance at the spin structure change was observed even for the doped crystals with conductivity much larger than the La2CuO4 crystals studied previously, which suggests that it is an intrinsic behavior of the whole system of the doped holes. The Hall coefficient measured as a function of H up to about 7 tesla shows that the conductivity change is mainly due to the increase of the carrier mobility.

原文English
頁(從 - 到)895-899
頁數5
期刊Solid State Communications
76
發行號7
DOIs
出版狀態Published - 1990 11月

All Science Journal Classification (ASJC) codes

  • 化學 (全部)
  • 凝聚態物理學
  • 材料化學

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