Abstract
We have found that a significant change in the local structure of (Formula presented) occurs between 80 K and temperatures above the Curie temperature, (Formula presented) K. Near-edge x-ray-absorption spectra exhibits changes between 80 K and above (Formula presented). X-ray-absorption fine structure reveals differences between the nearest-neighbor Mn-O bond distributions at 80 K and above (Formula presented). The single-site distribution at low temperature becomes a complex, multi-site distribution above (Formula presented). The observed change is consistent with proposed small polaron related local Jahn-Teller distortions for (Formula presented).
| Original language | English (US) |
|---|---|
| Pages (from-to) | 13985-13988 |
| Number of pages | 4 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 53 |
| Issue number | 21 |
| DOIs | |
| State | Published - 1996 |
| Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
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