H-Li correlation and stoichiometry of mixed phases in proton-exchanged LiNbO3 waveguides

@article{espeso_h-li_2003,
	title = {H-{Li} correlation and stoichiometry of mixed phases in proton-exchanged {LiNbO3} waveguides},
	volume = {94},
	issn = {0021-8979},
	url = {http://adsabs.harvard.edu/abs/2003JAP....94.7710E},
	doi = {10.1063/1.1626802},
	abstract = {Elastic recoil detection with a time of flight discrimination method 
using 127I ions has been applied to the simultaneous
determination of the H and Li depth profiles as well as of the
stoichiometry of the mixed phases formed by thermal annealing in
proton-exchanged LiNbO3 waveguides. For both, as-exchanged
and annealed waveguides, a one-to-one local correlation between the H
and Li profiles has been obtained so that [H]+[Li]=constant. Moreover,
the stoichiometry of the HxLi1-xNbO3
compound, where x is the exchange rate, has been correlated with x-ray
diffraction (rocking curves) data in order to identify the generated
phases after the exchange and annealing processes. In as-exchanged
guides, the value x≃0.85 is mainly associated with a broad
β2-phase peak. In annealed guides, a well-defined
β2-peak is associated with x≃0.5, a broad
κ2-peak is associated with x≃0.40, a broad
κ1-peak to x≃0.19 and 0.21, and a α-shoulder
to x≃0.09 and 0.12.},
	urldate = {2017-07-18},
	journal = {Journal of Applied Physics},
	author = {Espeso, O. and García, G. and Climent, A. and Agulló-López, F. and de la Paliza, G. and Cabrera, J. M. and Sajavaara, T.},
	month = dec,
	year = {2003},
	keywords = {Crystal stoichiometry, Kinetics of defect formation and annealing, Niobates titanates tantalates PZT ceramics etc., Optical constants, Waveguides transmission lines striplines},
	pages = {7710--7718},
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}