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Optical microscope image of the sample (a) before and (b) after the thermal treatment.
Optical microscope images of the trapping effect. The shadow on the bottom right is a soldering iron approaching (left) and leaving (right) the sample.
(a) 3D simulation of the pyroelectrically induced electric field distribution onto the PPLN crystal. (The inset shows the schematic face view of the particles across the domains walls.) (b) Side view of the simulated electric field distribution. The position of the dielectric particles is also shown schematically.
Optical microscope image of the trapping effect in case of latex particles suspended into carboxyl acid.
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