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Pyro-paraelectric effect in ferroelectric materials: A device perspective for transcending Curie limitation

Chauhan, Aditya and Patel, Satyanarayan and Kumar, Anduruddh and Ponomareva, Inna and Kumar, Rajeev and Vasih, Rahul (2017):
Pyro-paraelectric effect in ferroelectric materials: A device perspective for transcending Curie limitation.
12, In: Materials Today Communications, Elsevier, pp. 146-151, DOI: 10.1016,
[Online-Edition: http://dx.doi.org/10.1016/j.mtcomm.2017.07.005],
[Article]

Abstract

Flexoelectric effect is acquiring increased attention owing to its potential advantages towards sensor/transducer applications. Flexoelectricity can be employed to raise the functional working temperature of most ferroelectric devices beyond Curie temperature. Few recent studies have claimed significant (flexoelectric) piezoelectric performance above Curie temperature. However, little effort has been made to develop the pyroelectric capabilities of such materials. This paper aims to highlight the pyro-paraelectric (pyroelectric above Curie temperature) attributes of multiple ferroelectric systems, under the influence of inhomogeneous strain. Furthermore, cantilever shaped system is optimised for enhanced pyroelectric performance to generate a large output signal, in a wide temperature range.

Item Type: Article
Erschienen: 2017
Creators: Chauhan, Aditya and Patel, Satyanarayan and Kumar, Anduruddh and Ponomareva, Inna and Kumar, Rajeev and Vasih, Rahul
Title: Pyro-paraelectric effect in ferroelectric materials: A device perspective for transcending Curie limitation
Language: English
Abstract:

Flexoelectric effect is acquiring increased attention owing to its potential advantages towards sensor/transducer applications. Flexoelectricity can be employed to raise the functional working temperature of most ferroelectric devices beyond Curie temperature. Few recent studies have claimed significant (flexoelectric) piezoelectric performance above Curie temperature. However, little effort has been made to develop the pyroelectric capabilities of such materials. This paper aims to highlight the pyro-paraelectric (pyroelectric above Curie temperature) attributes of multiple ferroelectric systems, under the influence of inhomogeneous strain. Furthermore, cantilever shaped system is optimised for enhanced pyroelectric performance to generate a large output signal, in a wide temperature range.

Journal or Publication Title: Materials Today Communications
Volume: 12
Publisher: Elsevier
Uncontrolled Keywords: Flexoelectric Pyro-paraelectricity Pyroelectric Ferroelectric High temperature
Divisions: 11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences > Material Science > Nonmetallic-Inorganic Materials
11 Department of Materials and Earth Sciences
Date Deposited: 28 Aug 2017 11:51
DOI: 10.1016
Official URL: http://dx.doi.org/10.1016/j.mtcomm.2017.07.005
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