Effect of pressure on OH and OD impurities in LiNbO3

Autor(en): Johannsen, PG
Schaferjohann, V
Kapphan, S
Stichwörter: EXCHANGE; FILTER; HYDROGEN; LAYERS; MODES; OH/OD; Physics; Physics, Condensed Matter; PROTON; REFRACTIVE-INDEX; RESOLUTION ENHANCEMENT; WAVE-GUIDES
Erscheinungsdatum: 1999
Herausgeber: IOP PUBLISHING LTD
Journal: JOURNAL OF PHYSICS-CONDENSED MATTER
Volumen: 11
Ausgabe: 2
Startseite: 583
Seitenende: 591
Zusammenfassung: 
The fundamental vibrational transition frequencies of ON and OD defects, as well as the first OH overtone and the vibrational-librational OH-combination band, are investigated in LiNbO3 under pressure using the diamond-anvil technique. The absorption bands shift to lower wavenumbers and become considerably broader at higher pressures. The experimental results are alternatively discussed within a single oscillator model and a recently developed model for hydrogen bonds in solids.
ISSN: 09538984
DOI: 10.1088/0953-8984/11/2/021

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