Host matrices and associated effects
Optical properties of rare-earth ions

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Host matrices and associated effects


Optical properties of rare-earth ions

Authors : François AUZEL, Richard MONCORGÉ

Publication date: July 10, 2017 | Lire en français

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5. Host matrices and associated effects

5.1 Different types of materials

The general principle for a "host" material (a solid matrix) to be easily doped with rare-earth ions is that, among its constituent ions, there must be an ion with no optical transition in the desired spectral range (neutral ion), preferably a trivalent one with an ionic radius close to 1 Å, which is the average value for all trivalent rare-earth ions.

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5.1.1 Crystalline materials

Typical optically "neutral" ions for which rare earth ions can be substituted...

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