Optical spectroscopy of Al2O3:Ti3+ single crystal under hydrostatic pressure. The influence on the Jahn-Teller coupling

@inproceedings{GarcaRevilla2002OpticalSO,
  title={Optical spectroscopy of Al2O3:Ti3+ single crystal under hydrostatic pressure. The influence on the Jahn-Teller coupling},
  author={Sara Garc{\'i}a-Revilla and Fernando. Rodr{\'i}guez and Rafael Valiente and Markus Pollnau},
  year={2002}
}
This work investigates the effect of hydrostatic pressure on the excitation and emission spectra, as well as on the lifetime, of Al2O3:Ti3+ at room temperature. The aim is to establish correlations between the pressure-induced band shifts and the corresponding local structural changes undergone by the TiO6 complex. A blue-shift of 8.52 and 6.86 cm−1 kbar−1 was found for the lower (E1) and upper (E2) energy components of the excitation band at 17 760 and 20 500 cm−1, respectively, and blue… CONTINUE READING

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