Poling tuning: A plausible solution for minimizing microphony and secondary pyroelectric coefficient in ferroelectrics

Raj Kiran; Anuruddh Kumar; Rajeev Kumar; Rahul Vaish

doi:10.1111/ijac.13370

Poling tuning: A plausible solution for minimizing microphony and secondary pyroelectric coefficient in ferroelectrics

Raj Kiran, Anuruddh Kumar, Rajeev Kumar, Rahul Vaish

Indian Institute of Technology Mandi

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

This study proposes the idea of reducing the microphony effect and secondary pyroelectric coefficient in pyroelectric detectors by tuning the poling orientation. Mathematically, it has been shown that piezoelectric strain coefficients get altered by changing the poling direction. Eventually, for a couple of materials it has been demonstrated that microphony and secondary pyroelectric coefficient can be diminished by poling them at a given orientation. The poling angle nullifying secondary pyroelectric coefficient was found to be 58.2°, 47.1°, and 78.9° for (Formula presented.) (PZN-0.08PT), (Formula presented.) (PMN-PT), and (Formula presented.) (BCT-0.48BZT) respectively while no such value existed for (Formula presented.) (PZT-5A).

Original language	English
Pages (from-to)	1328-1333
Number of pages	6
Journal	International Journal of Applied Ceramic Technology
Volume	17
Issue number	3
DOIs	https://doi.org/10.1111/ijac.13370
State	Published - 1 May 2020
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2019 The American Ceramic Society

Keywords

microphony
poling tuning
secondary pyroelectric coefficient

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10.1111/ijac.13370

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abstract = "This study proposes the idea of reducing the microphony effect and secondary pyroelectric coefficient in pyroelectric detectors by tuning the poling orientation. Mathematically, it has been shown that piezoelectric strain coefficients get altered by changing the poling direction. Eventually, for a couple of materials it has been demonstrated that microphony and secondary pyroelectric coefficient can be diminished by poling them at a given orientation. The poling angle nullifying secondary pyroelectric coefficient was found to be 58.2°, 47.1°, and 78.9° for (Formula presented.) (PZN-0.08PT), (Formula presented.) (PMN-PT), and (Formula presented.) (BCT-0.48BZT) respectively while no such value existed for (Formula presented.) (PZT-5A).",

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Poling tuning: A plausible solution for minimizing microphony and secondary pyroelectric coefficient in ferroelectrics

Abstract

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Keywords

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