Micro-Raman Imaging of Ferroelectric Domain Structures in the Bulk of PMN-PT Single Crystals
Crystals(2019)
Abstract
We demonstrate the application of confocal Raman microscopy (CRM) for nondestructive imaging of ferroelectric domains both at the surface and in the bulk of lead magnesium niobate-lead titanate (PMN-PT) ferroelectric single crystals. The studied model periodical domain structure was created at a [001] cut of tetragonal-phase PMN-PT crystal by the electron beam patterning technique. It was shown that the surface CRM domain image coincides in details with the image obtained by piezoresponse force microscopy.
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Key words
PMN-PT single crystal,periodical domain structure,electron beam domain patterning,confocal Raman microscopy
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