Abstract
In this paper, we investigate a theoretical model of measurements of the phase transition in triglycine sulfate (TGS) samples using the idea of unbalanced bridge and four electrode sample setup. Four-electrode samples and differential measurements present some interesting results that can be explained by blurred phase transition in two areas of the sample. Our previous experiments proved some kind of order in the paraelectric phase, which resulted in a pyroelectric response to the fast temperature pulses above the critical temperature. We also observed a switching effect in the four-electrode samples. Many authors have investigated phase transition and structural changes of TGS and its doped crystals by various methods. We hope that the results of our model will encourage further researches to find the “evolution” of local order despite the order/disorder character of the phase transition in TGS single crystals.
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Trybus, M. (2019). Differential Measurements of TGS Samples – Unbalanced Bridge Concept and Model. In: Hanus, R., Mazur, D., Kreischer, C. (eds) Methods and Techniques of Signal Processing in Physical Measurements. MSM 2018. Lecture Notes in Electrical Engineering, vol 548. Springer, Cham. https://doi.org/10.1007/978-3-030-11187-8_30
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DOI: https://doi.org/10.1007/978-3-030-11187-8_30
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