Effects of oxygen isotope and stoichiometry on the structural and transport properties

A. Heilman, Y. Xue, Y. Sun, R. Meng, Y. Wang, B. Lorenz, C. Chu, J. Franck, Weimin Chen

研究成果: Article同行評審

17 引文 斯高帕斯(Scopus)

摘要

Thermoelectric power (S) and lattice parameter (Formula presented) b, (Formula presented) measurements are used to determine the change in the carrier concentration (n) in both isotope exchanged and oxygen deficient samples of (Formula presented) It is observed upon substitution of the (Formula presented) isotope for (Formula presented) that the Curie temperature (Formula presented) decreases but no significant changes in S at 290 K and a, b, or c are seen. In contrast, for samples that are oxygen deficient, significant changes in S at 290 K and a, b, and c are observed, in addition to decreases in (Formula presented) It is found that the estimated (Formula presented) correlating to the observed (Formula presented) cannot account for the isotope-induced change in (Formula presented) Therefore it is concluded that any oxygen deficiencies introduced by the isotope exchange are negligible and do not account for the (Formula presented) change observed.

原文English
頁(從 - 到)8950-8954
頁數5
期刊Physical Review B - Condensed Matter and Materials Physics
61
發行號13
DOIs
出版狀態Published - 2000

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學

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