Field-independent magnetization and fluctuations in Hg-based cuprates

Y. Y. Xue, Y. Cao, Q. Xiong, F. Chen, C. W. Chu

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摘要

The crossing of the magnetization M of cuprates in different fields at (M*, T*) has been widely interpreted as a result of 2D vortex-fluctuations. Therefore, it is expected that the M* T* of HgBa2CamCum + 1 Oy will be proportional to the 2D sheet-density 1 s, where s is the size of the unit cell. However, our data show that the M* T* is independent of both m and s in the Hg-based cuprates with 1 ≤ m ≤ 3. A survey further suggests that the value of M* T* is a universal constant for all studied Bi-, Tl- and Hg-based cuprates. This observation suggests that the coupling between neighboring CuO2-blocks may have non-negligible effects on the magnetization.

原文English
頁(從 - 到)1909-1910
頁數2
期刊Journal of Physics and Chemistry of Solids
56
發行號12
DOIs
出版狀態Published - 1995 12月

All Science Journal Classification (ASJC) codes

  • 化學 (全部)
  • 材料科學(全部)
  • 凝聚態物理學

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