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A Method for Assigning Satellite Lines to Crystallographic Sites in Rare Earth Crystals by Ahlefeldt, Rose L.; Manson, Neil B.; Hutchison, Wayne D.; Sellars, Matthew J. is a scholarly article available to read on EtoBox.

What is A Method for Assigning Satellite Lines to Crystallographic Sites in Rare Earth Crystals about?

We describe an experimental technique for associating the satellite lines in a rare earth optical spectrum caused by a defect with the rare earth ions in crystal sites around that defect. This method involves measuring the hyperfine splitting caused by a magnetic dipole-dipole interaction between host ions and a magnetic defect. The method was applied to Ce3+:EuCl3.6H2O to assign 13 of the outermost 22 satellite lines to sites. The assignments show that the optical shift of a satellite line is loosely dependent on the distance to the dopant. The interaction between host and dopant ions is purely dipole-dipole at distances greater than 7 Angstroms, with an additional contribution, likely superexchange, at distances less than 7 Angstroms.

Author

Ahlefeldt, Rose L.; Manson, Neil B.; Hutchison, Wayne D.; Sellars, Matthew J.

Published

2013

Language

EN