HIGHER VIBRATIONAL-STATES OF OH/OD IN THE BULK OF CONGRUENT LINBO3 AND IN PROTON DEUTERON EXCHANGED LAYERS AT THE SURFACE OF LINBO3

DC FieldValueLanguage
dc.contributor.authorGRONE, A
dc.contributor.authorKAPPHAN, S
dc.date.accessioned2021-12-23T16:00:20Z-
dc.date.available2021-12-23T16:00:20Z-
dc.date.issued1995
dc.identifier.issn09538984
dc.identifier.urihttps://osnascholar.ub.uni-osnabrueck.de/handle/unios/4336-
dc.description.abstractThe fundamental vibrational transition <(nu)over bar>(01) and the higher vibrational transitions <(nu)over bar>02, <(nu)over bar>(03) and <(nu)over bar>(04) of the OH and the OD oscillator in the bulk of congruent LiNbO3 and in proton/deuteron exchanged LiNbO3:PE/DE surface layers are investigated with respect to their spectroscopic properties and their temperature dependence. All observed vibrational transitions are completely polarized perpendicular with respect to the ferroelectric z direction. The spectral positions of the vibrational transitions follow closely a Morse type potential with D-e = 4.75 eV and a = 22.23 nm(-1) (omega(e,OH) = 3684 cm(-1) and omega(e)x(e,OH) = 88.5 cm(-1) for LiNbO3:PE). No hint of possible hydrogen bonding was found. The integrated absorption intensity ratios of the higher vibrational transitions exhibit the existence of an electrical anharmonicity, i.e. a non-linearity of the dipole moment versus O-H separation. The electrical anharmonicity reveals a noticeable temperature dependence whereas the vibrational transition energies and therefore the mechanical anharmonicity shows no temperature dependence in the range from room temperature to liquid helium temperature.
dc.language.isoen
dc.publisherIOP PUBLISHING LTD
dc.relation.ispartofJOURNAL OF PHYSICS-CONDENSED MATTER
dc.subjectABSORPTION
dc.subjectCRYSTALS
dc.subjectDEFECTS
dc.subjectDIFFUSION
dc.subjectHYDROGEN
dc.subjectOH
dc.subjectPhysics
dc.subjectPhysics, Condensed Matter
dc.subjectPROFILES
dc.subjectREFRACTIVE-INDEX
dc.subjectSPECTROSCOPY
dc.subjectWAVE-GUIDES
dc.titleHIGHER VIBRATIONAL-STATES OF OH/OD IN THE BULK OF CONGRUENT LINBO3 AND IN PROTON DEUTERON EXCHANGED LAYERS AT THE SURFACE OF LINBO3
dc.typejournal article
dc.identifier.doi10.1088/0953-8984/7/32/006
dc.identifier.isiISI:A1995RN93400006
dc.description.volume7
dc.description.issue32
dc.description.startpage6393
dc.description.endpage6405
dc.publisher.placeTECHNO HOUSE, REDCLIFFE WAY, BRISTOL, ENGLAND BS1 6NX
dcterms.isPartOf.abbreviationJ. Phys.-Condes. Matter
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