Finite-size-effect on a very large length scale in NBT-based lead-free piezoelectrics

Na0.5Bi0.5TiO3-based lead-free piezoelectrics are considered for potential replacement of the lead-based commercial piezoceramics in high-power transducer applications. We have examined the role of grain size in influencing the structural-polar inhomogeneity of stoichiometric and off-stoichiometric...

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Main Authors:	Anupam Mishra, Dipak Kumar Khatua, Gobinda Das Adhikary, Naveen Kumar, Uma Shankar, Rajeev Ranjan
Format:	Article
Language:	English
Published:	World Scientific Publishing 2019-10-01
Series:	Journal of Advanced Dielectrics
Subjects:	lead-free piezoelectrics na0.5bi0.5tio3 size effect crystal structure depolarization temperature
Online Access:	http://www.worldscientific.com/doi/pdf/10.1142/S2010135X19500358

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spelling	doaj-6341a1d69a4d45818b2f1f3d70ca88312020-11-25T01:49:01ZengWorld Scientific PublishingJournal of Advanced Dielectrics2010-135X2010-13682019-10-01951950035-11950035-710.1142/S2010135X1950035810.1142/S2010135X19500358Finite-size-effect on a very large length scale in NBT-based lead-free piezoelectricsAnupam Mishra0Dipak Kumar Khatua1Gobinda Das Adhikary2Naveen Kumar3Uma Shankar4Rajeev Ranjan5Department of Materials Engineering, Indian Institute of Science, Bangalore-560012, IndiaDepartment of Materials Engineering, Indian Institute of Science, Bangalore-560012, IndiaDepartment of Materials Engineering, Indian Institute of Science, Bangalore-560012, IndiaDepartment of Materials Engineering, Indian Institute of Science, Bangalore-560012, IndiaDepartment of Materials Engineering, Indian Institute of Science, Bangalore-560012, IndiaDepartment of Materials Engineering, Indian Institute of Science, Bangalore-560012, IndiaNa0.5Bi0.5TiO3-based lead-free piezoelectrics are considered for potential replacement of the lead-based commercial piezoceramics in high-power transducer applications. We have examined the role of grain size in influencing the structural-polar inhomogeneity of stoichiometric and off-stoichiometric Na0.5Bi0.5TiO3 (NBT), and its morphotropic-phase-boundary (MPB) derivative 0.94Na0.5Bi0.5TiO3-0.06BaTiO3 (NBT-6BT). Our study reveals that size effect comes into play in these systems on a very large length scale (on the scale of microns) considerably affecting its global structure and properties.http://www.worldscientific.com/doi/pdf/10.1142/S2010135X19500358lead-free piezoelectricsna0.5bi0.5tio3size effectcrystal structuredepolarization temperature
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Anupam Mishra Dipak Kumar Khatua Gobinda Das Adhikary Naveen Kumar Uma Shankar Rajeev Ranjan
spellingShingle	Anupam Mishra Dipak Kumar Khatua Gobinda Das Adhikary Naveen Kumar Uma Shankar Rajeev Ranjan Finite-size-effect on a very large length scale in NBT-based lead-free piezoelectrics Journal of Advanced Dielectrics lead-free piezoelectrics na0.5bi0.5tio3 size effect crystal structure depolarization temperature
author_facet	Anupam Mishra Dipak Kumar Khatua Gobinda Das Adhikary Naveen Kumar Uma Shankar Rajeev Ranjan
author_sort	Anupam Mishra
title	Finite-size-effect on a very large length scale in NBT-based lead-free piezoelectrics
title_short	Finite-size-effect on a very large length scale in NBT-based lead-free piezoelectrics
title_full	Finite-size-effect on a very large length scale in NBT-based lead-free piezoelectrics
title_fullStr	Finite-size-effect on a very large length scale in NBT-based lead-free piezoelectrics
title_full_unstemmed	Finite-size-effect on a very large length scale in NBT-based lead-free piezoelectrics
title_sort	finite-size-effect on a very large length scale in nbt-based lead-free piezoelectrics
publisher	World Scientific Publishing
series	Journal of Advanced Dielectrics
issn	2010-135X 2010-1368
publishDate	2019-10-01
description	Na0.5Bi0.5TiO3-based lead-free piezoelectrics are considered for potential replacement of the lead-based commercial piezoceramics in high-power transducer applications. We have examined the role of grain size in influencing the structural-polar inhomogeneity of stoichiometric and off-stoichiometric Na0.5Bi0.5TiO3 (NBT), and its morphotropic-phase-boundary (MPB) derivative 0.94Na0.5Bi0.5TiO3-0.06BaTiO3 (NBT-6BT). Our study reveals that size effect comes into play in these systems on a very large length scale (on the scale of microns) considerably affecting its global structure and properties.
topic	lead-free piezoelectrics na0.5bi0.5tio3 size effect crystal structure depolarization temperature
url	http://www.worldscientific.com/doi/pdf/10.1142/S2010135X19500358
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Finite-size-effect on a very large length scale in NBT-based lead-free piezoelectrics

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