Infrared and Structural Studies of Micro and Nano-crystalline Ta Doped Lead Zirconate Titanate Ceramics

Praveen Kumar; Dr MBalasubramaniam; BS Murty; KM Rajan

doi:10.14429/dsj.68.12314

Praveen Kumar DRDO Armament Research and Development Establishment, Pune 411 021
Dr MBalasubramaniam Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai 600 036
BS Murty Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai 600 036
KM Rajan DRDO Armament Research and Development Establishment, Pune 411 021

DOI: https://doi.org/10.14429/dsj.68.12314

Keywords: Ceramics, Fourier transform infrared spectroscopy (FTIR), Piezoelectric, Dielectric properties

Abstract

In this paper, influence of additives on structural properties of Tantalum (Ta) doped PZT ceramics, prepared by solid-state oxide and mechanical activation (MA) routes, has been studied. The Fourier transformation infrared spectroscopy (FTIR) studies, are done to understand the structural interactions, confirmed that the wave number and bond energy decreases with the increase in Ta content accompanied by decrease in grain size. FTIR spectrum becomes broader in nanocrystalline Ta-PZT. The fraction of tetragonal phase decrease along with reduction in grain size as the Ta content increase. The remnant polarisation and coercive field also follows the similar trend on Ta doping. It is seen that infrared spectroscopy results corroborate the structure and ferroelectric properties of PZT materials.

Author Biographies

Praveen Kumar, DRDO Armament Research and Development Establishment, Pune 411 021

Dr Praveen Kumar B. he has earned his BE from NIT Trichy and PhD in the field of Sensor materials and devices from IIT Madras. He is currently working as Scientist in Centre for Functional Materials, Young Scientist Centre, ARDE Pune. His current research interests include: Processing and characterisation of advance functional materials, porous ceramics, pulse power generators and sensor devices. He has published about 24 research paper in peer reviewed journals and about 15 papers in conference proceedings.

In the present work he has carried out the processing and FTIR characterisation studies in detail.

Dr MBalasubramaniam, Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai 600 036

Prof. M Balasubramanian is currently working as Professor Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai. His current area of expertise include: Advance ceramic processing, biomorphic ceramics, polymer nanocomposites and metal matrix composites. He has published several book chapters and 75 research paper in peer reviewed journals.

In the present work he has helped in formatting the manuscript and guided the author.

BS Murty, Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai 600 036

Prof. B.S. Murty is currently working as Professor Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai. His current area expertise include: High entropy alloys, nano materials, oxide dispersion strengthened steels, bulk metallic glasses. He is recipient of several awards including Shanti Swarup Bhatnagar Award (2007) and Life time Achievement Award of IIT Madras (2016). He has 400 journal paper in peer reviewed journal and 16 patent to his credit.

In the present work, he has guided the team and reviewed the manuscript.

KM Rajan, DRDO Armament Research and Development Establishment, Pune 411 021

Dr K.M. Rajan did BTech (Mechanical Engineer), from NIT Calicut, MTech and PhD from IIT Bombay. He is a Distinguished Scientist is currently Director, DRDO-Armament Research and Development Establishment, Pune. He has experience in the design and development of artillery rockets. He has worked in the area of flow forming of rocket motors and rocket propulsion. He has more than 70 research paper in journals and conferences.

In the present work, he has guided the team and reviewed the manuscript.

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