Ferroelectric properties of 1 mol% Mg-doped stoichiometric lithium niobate

Keiji Hodoyama, Masayuki Maruyama, Hirochika Nakajima, Sunao Kurimura

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    Abstract

    We investigated the ferroelectric properties of 1 mol% Mg-doped stoichiometric lithium niobate (Mg:SLN), which is a promising material for use as a high-efficiency quasi-phase-matching (PPM) wavelength converter. The ferroelectric properties of Mg:SLN used for fabricating QPM devices have not been clarified yet. In our first experiment, the polarization-electric field (P-E) hysteresis loop in Mg:SLN was measured and its coercive field and spontaneous polarization were obtained. By measuring the P-E hysteresis loop, we investigated the dynamic properties and found a dependence of the coercive field on the slope rate of the electric field. Moreover, we obtained the "zero-velocity field" at which domain wall movement starts.

    Original languageEnglish
    Pages (from-to)1549-1552
    Number of pages4
    JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
    Volume46
    Issue number4 A
    DOIs
    Publication statusPublished - 2007 Apr 5

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    Keywords

    • Coercive field
    • Hysteresis
    • Polarization reversal
    • Spontaneous polarization
    • Stoichiometric lithium niobate
    • Zero-velocity field

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

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