Slater parameter shifts in substituted lanthanide ions |
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Authors: | D.J. Newman |
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Affiliation: | Department of Physics, Queen Mary College, London UK |
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Abstract: | The usual explanation of the reduction of Slater parameters for lanthanide ions substituted into crystals as being due to covalency is shown to be without foundation. Alternative mechanisms are considered, and the dielectric effect of the host crystal is shown to be important. The dielectric contribution to the crystal field parameters is also discussed. |
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