Optical properties of phosphorus-related point defects in silica fiber preforms

Physical Review B - Condensed Matter and Materials Physics

Volumn 80, Issue 20, 2009, Pages

  Origlio, Giusy ^a,b   Messina, Fabrizio ^b   Cannas, Marco ^b   Boscaino, Roberto ^b   Girard, Sylvain ^c   Boukenter, Aziz ^a   Ouerdane, Youcef ^a  

^a UNIVERSITÉ JEAN MONNET   (France)

^b UNIVERSITY OF PALERMO   (Italy)

^c DIF   (France)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 77954690754     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.80.205208     Document Type: Article

References (25)

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20. In P4, the P atom hosts an additional lone pair, not represented.
21. In the two-fold coordinated precursor of P4 center, the P atom hosts an additional lone pair, not represented.
22. - 3. Under this hypothesis, all the other concentration values reported later on must be scaled for the same factor.
23. The bleaching of the PL signal is accompanied by the appearance of absorption signals which will be not discussed here. However it is worth noting that the induced absorption at 4.8 eV (∼ 0.1 optical density) is not sufficiently intense to compromise the measurement of luminescence intensity.
24. The observation of both l-POHC and r-POHC, according to Griscom's model, may slightly modify this interpretation by suggesting that a significant fraction of ionized P sites feature two doubly-bonded nonbridging O atoms instead of one.
25. This line of reasoning still holds if one uses the higher estimate of the concentration of paramagnetic defects obtained by assuming them to be present only in zones III and IV.