Abstract
We have obtained anisotropic thermal parameters for Ba2YCu3O7 from a dual-wavelength x-ray crystal structure determination on a single crystal with a small amount of twinning. Anharmonic thermal motion was found for both Ba and Cu atoms with the largest anharmonic feature attributed to a Ba-Ba breathing mode. The anisotropic and anharmonic thermal parameters are consistent with the coordination polyhedra as well as the bonding distances involved.
| Original language | English |
|---|---|
| Pages (from-to) | 874-877 |
| Number of pages | 4 |
| Journal | Physical Review B |
| Volume | 38 |
| Issue number | 1 |
| DOIs | |
| State | Published - 1 Jan 1988 |
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Marsh, P., Siegrist, T., Fleming, R. M., Schneemeyer, L. F., & Waszczak, J. V. (1988). Anharmonic thermal motion in the 93-K superconductor Ba2YCu3O7 using multiple-wavelength x-ray diffraction. Physical Review B, 38(1), 874-877. https://doi.org/10.1103/PhysRevB.38.874