Influence of ferroelectricity on the photoelectric effect of LiNbO3.

dc.contributor.author	Dunn, Steve
dc.contributor.author	Tiwari, Divya
dc.date.accessioned	2009-04-29T10:45:57Z
dc.date.available	2009-04-29T10:45:57Z
dc.date.issued	2008-09
dc.identifier.citation	Steve Dunn and Divya Tiwari, Influence of ferroelectricity on the photoelectric effect of LiNbO3. Applied Physics Letters, Volume 93, Issue 9, 1st September 2008, Article 092905	en_UK
dc.identifier.issn	0003-6951
dc.identifier.uri	http://dx.doi.org/10.1063/1.2978195
dc.identifier.uri	http://hdl.handle.net/1826/3358
dc.description.abstract	A 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.language.iso	en	en_UK
dc.publisher	American Institute of Physics	en_UK
dc.title	Influence of ferroelectricity on the photoelectric effect of LiNbO3.	en_UK
dc.type	Postprint	en_UK