Optical spectroscopic study of Al2O3:Ti3+ under hydrostatic pressure

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García-Revilla, S. and Rodríguez, F. and Hernández, I. and Valiente, R. and Pollnau, M. (2002) Optical spectroscopic study of Al2O3:Ti3+ under hydrostatic pressure. High Pressure Research, 22 (1). pp. 127-130. ISSN 0895-7959

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Abstract:This work investigates the effect of hydrostatic pressure on the excitation, emission and lifetime of Ti3+-doped Al2O3 in the 0–110 kbar range. The application of pressure induces band shifts that are correlated with the corresponding local structural changes undergone by the TiO6 complex. The increase of the Stokes-shift and the reduction of the Jahn–Teller (JT) splittings under pressure are analysed in terms of a simple model based on linear electron–phonon couplings to the a1g and the JT eg vibrational modes.
Item Type:Article
Copyright:© 2002 Taylor & Francis
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/70084
Official URL:http://dx.doi.org/10.1080/08957950211372
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