An ab initio calculation method has been used to check the theoretical model given by the paper [1]. The result shows that the origin of electro-optic effect in the BaTiO3crystal come certainly from the relative displacements of the Ti4+to the oxygen ions in the octahedron (TiO6) group, and then the displacements of Ti4+lead to the changes of the band wave function of electrons in the crystal which produce the changes of refractive indices no and ne in the crystal. The calculations further point out that the rate Δni/Δlkis almost proportionate to the parameter βk(i).


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    Titel :

    Mechanism for electro-optic effect in BaTiO3


    Beteiligte:
    Meng, X.Y. (Autor:in) / Wang, Z.Z. (Autor:in) / Chuangtian Chen, (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    250008 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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