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IJPAP Vol.44(02) [February 2006] >

Title: Study of elastic properties of fine particle copper-zinc ferrites through infrared spectroscopy
Authors: Modi, K B
Trivedi, U N
Sharma, P U
Lakhani, V K
Chhantbar, M C
Joshi, H H
Keywords: Infrared spectroscopy
Elastic constants
Fine particles
Interatomic bonding
Issue Date: Feb-2006
Publisher: CSIR
IPC CodeG01N21/00
Abstract: The elastic moduli for fine particle ZnxCu1-xFe2O4 (x = 0.2, 0.4, 0.6 and 0.8) spinel ferrite system synthesized by wet-chemical technique have been determined through infrared spectroscopy and X-ray diffraction pattern analysis. The force constants for tetrahedral and octahedral sites determined through IR spectral analysis, lattice constant, X-ray density values through XRD pattern analysis; have been used to calculate elastic constants like bulk modulus, Young’s modulus, rigidity modulus, Poisson’s ratio and Debye temperature corrected to zero porosity. The elastic moduli values for all the compositions are found larger as compared to conventional ceramically prepared compositions. The results have been explained on the basis of elastic energy and grain size reduction effect of fine particle. The observed variation of elastic constants with zinc substitution have been interpreted in the light of strength of interatomic bonding.
Page(s): 165-168
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.44(02) [February 2006]

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