Influence of ferroelectricity on the photoelectric effect of LiNbO3.

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dc.contributor.authorDunn, Steve
dc.contributor.authorTiwari, Divya
dc.date.accessioned2009-04-29T10:45:57Z
dc.date.available2009-04-29T10:45:57Z
dc.date.issued2008-09
dc.description.abstractA comparison between the influence of domain dependent photochemical and photoelectric cation reduction on the surface of LiNbO3 is presented. The reduction of the photoelectric threshold for LiNbO3 due to the polar nature of the crystal allows high energy UV irradiation to produce free electrons that can participate in photochemical reduction of silver nitrate on the surface. This is in addition to the previously understood phenomenon of domain directed photophysics, where influences on space charge layer due to the internal dipole of a ferroelectric determine the carrier at the surface. We show that the interaction of photoelectric and domain dependent influences can be observed in LiNbO3 due to the low electron affinity (ca 2eV) and large band bending (0.8eV).en_UK
dc.identifier.citationSteve Dunn and Divya Tiwari, Influence of ferroelectricity on the photoelectric effect of LiNbO3. Applied Physics Letters, Volume 93, Issue 9, 1st September 2008, Article 092905en_UK
dc.identifier.issn0003-6951
dc.identifier.urihttp://dx.doi.org/10.1063/1.2978195
dc.identifier.urihttp://hdl.handle.net/1826/3358
dc.language.isoenen_UK
dc.publisherAmerican Institute of Physicsen_UK
dc.titleInfluence of ferroelectricity on the photoelectric effect of LiNbO3.en_UK
dc.typePostprinten_UK

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