Synthesis and Characterizations of Nd-Substituted NBT by hydrothermal process (Na0.5Bi0.5-xNdxTiO3) (X=0,0.01)

Kerketta, Satyajit (2017) Synthesis and Characterizations of Nd-Substituted NBT by hydrothermal process (Na0.5Bi0.5-xNdxTiO3) (X=0,0.01). Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

Lead free ( Na 0.5 Bi 0.5 - x Nd x TiO 3 ) ceramics were prepared by hydrothermal synthesis method takin g two different compositi ons (X=0,0.01). They phase composition and particle morphology of the as prepared powder were characterized by X - Ray diffraction(XRD), scanning electron microscope(SEM) and transmission electron microscope(TEM). The derived key parameter of the powder prep aration was of: NaOH concentration of 16mol, reaction temperature of about 200 o C and the reaction time was above 48hrs . Both XRD and SEM observation revealed that the crystallization and particles morphology of the powder were strongly related to the key p arameter of NaOH concentration, reaction temperature and the reaction time . Nano whiskers of NBT were obtained via increas ing the concentration of NaOH , the reaction time or the reaction temperature.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (Masters)
Uncontrolled Keywords: ferroelectricity, polarisation, perovskites, x-ray diffraction, scanning electron microscope, Hysteries P-E Loop, TD798
Subjects: Physics
Divisions: Department of Physics
Depositing User: Team Library
Date Deposited: 14 Jun 2017 08:34
Last Modified: 14 Jun 2017 08:34
URI: http://raiith.iith.ac.in/id/eprint/3228
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