Abstract
Anomalous x-ray thermal diffuse scattering (TDS) from the paraelectric BaTiO3 has been measured as a function of temperature using synchrotron radiation. Sheets of intensities that were previously reported have been confirmed. The origin of the observed TDS intensities is attributed to the soft on-(100) TA modes and overdamped [010]TO mode for reduced wave vector q>0.25 and <0.25, respectively. In agreement with the previous neutron inelastic scattering experiment, our results support the notion of the one-dimensionally correlated optic motion of atoms.
| Original language | English |
|---|---|
| Pages (from-to) | 6696-6699 |
| Number of pages | 4 |
| Journal | Physical Review B |
| Volume | 51 |
| Issue number | 10 |
| DOIs | |
| State | Published - 1 Jan 1995 |
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Takesue, N., Maglione, M., & Chen, H. D. (1995). X-ray thermal-diffuse-scattering study of soft modes in paraelectric BaTiO3. Physical Review B, 51(10), 6696-6699. https://doi.org/10.1103/PhysRevB.51.6696