Electron-Phonon Coupling in Rare Earth Compounds

• Authors: A. Meijerink , G. Blasse , J. Sytsma , C. de Mello Donega , A. Ellens
• Languages of publication: EN

Abstracts

EN

The variation in electron-phonon coupling strength for rare earth ions has been studied by measuring vibronic transition probabilities and temperature dependent line broadening for a large number of rare earth ions in different host lattices. The results show a large variation in the electron-phonon coupling strength (almost three orders of magnitude) and a remarkable trend: the coupling is strong for ions in the beginning and at the end of the lanthanide series and weak in the middle. In covalent host lattices the coupling is much stronger than in ionic host lattices. An explanation of the results is given and the consequences of the variation of the electron-phonon coupling strength on phenomena like multiphonon relaxation, energy transfer and cooperative luminescence are discussed.

Keywords

EN

33.70.Jg; 33.50.Dq; 33.50.Hv

Discipline

• 33.50.Hv: Radiationless transitions, quenching
• 33.50.Dq: Fluorescence and phosphorescence spectra
• 33.70.Jg: Line and band widths, shapes, and shifts

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 1996
• Volume: 90
• Issue: 1
• Pages: 109-119

Dates

published

1996-07

Contributors

author

A. Meijerink

• Debye Institute, University Utrecht, P.O. Box 80 000, 3508 TA Utrecht, The Netherlands

author

G. Blasse

• Debye Institute, University Utrecht, P.O. Box 80 000, 3508 TA Utrecht, The Netherlands

author

J. Sytsma

• Debye Institute, University Utrecht, P.O. Box 80 000, 3508 TA Utrecht, The Netherlands

author

C. de Mello Donega

• Debye Institute, University Utrecht, P.O. Box 80 000, 3508 TA Utrecht, The Netherlands

author

A. Ellens

• Debye Institute, University Utrecht, P.O. Box 80 000, 3508 TA Utrecht, The Netherlands

Identifiers

DOI

10.12693/APhysPolA.90.109