Abstract
We investigate optical properties of (Formula presented) which has A-type antiferromagnetic ordering at a low temperature. The temperature dependence of spectral weight transfer shows a clear correlation with the magnetic phase transition. Through the comparison with the results of (Formula presented) which has CE-type antiferromagnetic charge ordering, we showed that optical properties of (Formula presented) near the Néel temperature could be explained by a crossover from three-dimensional to two-dimensional metals. Details of the spectral weight changes are consistent with the polaron picture.
| Original language | English |
|---|---|
| Pages (from-to) | 14656-14659 |
| Number of pages | 4 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 61 |
| Issue number | 21 |
| DOIs | |
| State | Published - 2000 |
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