Study of the ultraviolet absorption edge of LiNbO3crystal solid-liquid congruent point composition

[in Chinese]; [in Chinese]

Journals >Acta Optica Sinica >Volume 12 >Issue 12 >Page 1106 > Article

Acta Optica Sinica
Vol. 12, Issue 12, 1106 (1992)

Study of the ultraviolet absorption edge of LiNbO₃crystal solid-liquid congruent point composition

[in Chinese] and [in Chinese]

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[in Chinese]

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[in Chinese], [in Chinese]. Study of the ultraviolet absorption edge of LiNbO₃crystal solid-liquid congruent point composition[J]. Acta Optica Sinica, 1992, 12(12): 1106 Copy Citation Text

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Abstract

In this paper the measurement of the ultraviolet absorption edge of LiNbO3 crystal grown from the solid-liquid congruently melt at room temperature is presented. It is affirmed that the absorption edge below 4.0 eV is attributable to indirect transition. The meaning of three straight-lines of the spectral curyo are discussed by studying the α1/2-hv curve of LiNbO3. The energy gap Eg is 3.38 eV.

Keywords

indirect transition ultraviolet absorption edge

[in Chinese], [in Chinese]. Study of the ultraviolet absorption edge of LiNbO₃crystal solid-liquid congruent point composition[J]. Acta Optica Sinica, 1992, 12(12): 1106

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