Depolarization field mitigated domain engineering in nickel diffused lithium tentalate | Zendy

L.-H. Peng | Zendy; YiCheng Tseng | Zendy; Keyi Lin | Zendy; Ziheng Huang | Zendy; Chenxi Huang | Zendy; A. H. Kung | Zendy

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Depolarization field mitigated domain engineering in nickel diffused lithium tentalate

Author(s) -

L.-H. Peng,

YiCheng Tseng,

Keyi Lin,

Ziheng Huang,

Chenxi Huang,

A. H. Kung

Publication year - 2008

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2890728

Subject(s) - nucleation , polarization (electrochemistry) , poling , ferroelectricity , materials science , condensed matter physics , lithium tantalate , depolarization , nickel , diffusion , electric field , domain wall (magnetism) , chemical physics , lithium niobate , chemistry , optoelectronics , magnetic field , physics , dielectric , thermodynamics , medicine , magnetization , quantum mechanics , metallurgy , endocrinology

[[abstract]]We demonstrated a domain reversal mechanism on Z-cut congruent-grown lithium tentalate (LiTaO3) composed of nickel (Ni) diffusion followed by pulse field poling. Domain nucleation and forward growth were found confined to the nondiffused regions, where the commonly observed serrated domain fronts in poled LiTaO3 were absent in this work. These observations are ascribed to the formation of domain nucleation barrier by the depolarization field and reveal the divergence effect in the ferroelectric spontaneous polarization at the domain boundary due to Ni diffusion. This mechanism simplifies the fabrication of periodically poled LiTaO3 for second-harmonic generation in the blue spectral regime.[[fileno]]2030165010007[[department]]電機工程學

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