, Volume 17, Issue 6, pp 1663-1670

The growth striations and ferroelectric domain structures in Czochralski-grown LiNbO3 single crystals

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Abstract

The rotational striations and power striations are studied in LiNbO3 crystals and one-to-one correspondence between the striations and temperature fluctuations is demonstrated. The ferroelectric domain structures related to the rotational striations and the power striations have been observed. The distribution of solute concentration in rotational striations is measured by means of energy dispersive X-ray analysis in the scanning electron microscope, and it has been concluded that the ferroelectric domain structures depend on the solute concentration gradient.