Pressure-induced structural changes in La1.85Sr0.15CuO4

Shiyou Pei*, J. D. Jorgensen, D. G. Hinks, B. Dabrowski, P. Lightfoot, D. R. Richards

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)

Abstract

The structure of La1.85Sr0.15CuO4 has been studied versus pressure to 0.53 GPa at room temperature using neutron powder diffraction. Contrary to a recent report [1], we observe no anomalous change in the Cu-O(2) (apical) bond length in the pressure range studied. However, the pressure-induced shortening of this bond is larger than the cell compression along the same direction, suggesting that pressure-induced charge transfer may provide an explanation for the effect of pressure on Tc.

Original languageEnglish
Pages (from-to)179-183
Number of pages5
JournalPhysica C: Superconductivity and its applications
Volume169
Issue number1-2
DOIs
Publication statusPublished - 15 Jul 1990

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