Investigations of Structural and Optical Properties On Pr0.7Sr0.3MnO3/ Gd0.7Sr0.3MnO3/ Dy0.7Sr0.3MnO3

Mondal, S (2015) Investigations of Structural and Optical Properties On Pr0.7Sr0.3MnO3/ Gd0.7Sr0.3MnO3/ Dy0.7Sr0.3MnO3. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

In this project titled “INVESTIGATIONS OF STRUCTURAL AND OPTICAL PROPERTIES ON Pr0.7Sr0.3MnO3/ Gd0.7Sr0.3MnO3/ Dy0.7Sr0.3MnO3 ” I have studied the structural and optical properties of the three compounds. The very basic theoretical knowledge has been described in the beginning that is required for the understanding of the structural and optical properties. The reason for the distortion and anomalous behavior of this class of compounds has been well dealt in the theoretical part. Then the step by step procedure of the preparation of the compounds by solid synthesis route has been explained along with a flow chart for a better understanding. The compounds have been prepared by solid state reaction procedure. All the samples have crystallized in Pnma space group. With the help of XRD pattern analysis Miller indices, particle size, strain and lattice parameters have been found out. SEM images have been used to explain the morphology and the grain size. Further FTIR and RAMAN spectroscopy has been used to study the optical properties, modes of vibrations and the MnO6 octahedral structure.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (Masters)
Uncontrolled Keywords: X-Ray Differation, Raman Spectra, FTIR Spectrascopy, TD329
Subjects: Physics
Divisions: Department of Physics
Depositing User: Library Staff
Date Deposited: 07 May 2015 04:13
Last Modified: 16 Aug 2017 06:35
URI: http://raiith.iith.ac.in/id/eprint/1492
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