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The pyroelectric signal from triglycine sulphate |
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| Authors: | M M Pradhan R K Garg |
| Institution: | National Physical Laboratory, New Delhi 110012, India |
| Abstract: | The pyroelectric signal from triglycine sulphate has been studied by a focussed He-Ne laser beam and a phase sensitive detection method. It is observed that anti-parallel domains give rise to pyroelectric signals of opposite polarity. The pyroelectric signal is zero when the laser spot is in between anti-parallel domains. The intensity of the pyroelectric signal is recorded and the domain structure is determined. |
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