The pressure dependence of the crystal structure of la2cuo4

M. J. Akhtar, C. R A Catlow, S. M. Clark, W. M. Temmerman

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Using energy dispersive diffraction techniques employing synchrotron radiation the authors measured the effect of pressure on the lattice parameters of La2CuO4. During compression the c/a ratio remains constant up to about 150 kbar showing that the effect of pressure is isotropic, in contrast with the magnetic properties which are highly two-dimensional. The results agree well with the predictions of band-structure calculations, suggesting that the bonding is governed by the La and O atoms and not by the Cu-O2 layers.

Original languageEnglish
Pages (from-to)L917-L920
JournalJournal of Physics C: Solid State Physics
Issue number25
Publication statusPublished - 10 Sep 1988
Externally publishedYes


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