| Autor: |
Laverock, J., Chen, B., Preston, A. R. H., Newby Jr., D., Piper, L. F. J., Tung, L. D., Balakrishnan, G., Glans, P. -A., Guo, J. -H., Smith, K. E. |
| Rok vydání: |
2014 |
| Předmět: |
|
| Zdroj: |
J. Phys.: Condens. Matter 26, 455603 (2014) |
| Druh dokumentu: |
Working Paper |
| DOI: |
10.1088/0953-8984/26/45/455603 |
| Popis: |
The electronic structure of NdVO3, YVO3 has been investigated as a function of sample temperature using resonant inelastic soft x-ray scattering at the V L3-edge. Most of the observed spectral features are in good agreement with an atomic crystal-field multiplet model. However, a low energy feature is observed at ~0.4 eV that cannot be explained by crystal-field arguments. The resonant behaviour of this feature establishes it as due to excitations of the V t2g states. Moreover, this feature exhibits a strong sample temperature dependence, reaching maximum intensity in the orbitally-ordered phase of NdVO3, before becoming suppressed at low temperatures. This behaviour indicates that the origin of this feature is a collective orbital excitation, i.e. the bi-orbiton. |
| Databáze: |
arXiv |
| Externí odkaz: |
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