Substitution mechanism of ZnO-doped lithium niobate crystal determined by powder x-ray diffraction and coercive field

C. T. Chia, C. C. Lee, P. J. Chang, M. L. Hu, L. J. Hu

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Abstract

ZnO-doped lithium niobate crystals with a doped concentration of up to 8.3 mol % were grown by the Czochralski technique. The effects of incorporating Zn2+ ions into LiNb O3 crystals were studied by powder x-ray diffraction and taking polarization hysteresis loop measurements. When the Li-site vacancy model is adopted, the coercive fields obtained from the polarization reversal measurement depend strongly on the number of NbLi 4- +4 VLi-. However, the coercive field of Zn-doped ions into LiNb O3 is insensitive to the ZnLi 2+ + VLi-. Experimental results indicate that four distinct substitutions of Zn-2 ions incorporated into ions into LiNb O3 crystals for doping concentrations from 0 to 8.3 mol %. The extent of Zn substitution is quantitatively determined for doping of below 7.5 mol %.

Original languageEnglish
Article number182901
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume86
Issue number18
DOIs
Publication statusPublished - 2005 May 2

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lithium niobates
x ray diffraction
substitutes
crystals
ions
polarization
hysteresis

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  • Physics and Astronomy (miscellaneous)

Cite this

Substitution mechanism of ZnO-doped lithium niobate crystal determined by powder x-ray diffraction and coercive field. / Chia, C. T.; Lee, C. C.; Chang, P. J.; Hu, M. L.; Hu, L. J.

In: Applied Physics Letters, Vol. 86, No. 18, 182901, 02.05.2005, p. 1-3.

Research output: Contribution to journalArticle

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