UGC Approved Journal no 63975

ISSN: 2349-5162 | ESTD Year : 2014
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Published in:

Volume 1 Issue 3
August-2014
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIR1912043


Registration ID:
226338

Page Number

326-340

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Title

Gas-Sensing Properties of Cr doped Lithium Ferrites based Sensor for Environmental Monitoring

Abstract

Nanocrystalline Li0.5Fe2.5-xCrxO4 (2.5 ≥ x ≥ 0) system was prepared by sol-gel method. Formation of single phase cubic spinel structure for all the compositions was confirmed from their X-ray diffraction patterns. The lattice parameter shows a decreasing trend with the increase in Cr content. The ferrospinels synthesized by autocombusion method were in Nanocrystalline range.The electrical resistivity is decreasing with increasing temperature for all the samples which indicates that Cr-added lithium ferrites have semiconductor- like behavior. Various reducing and oxidizing gases were tested for gas sensing activity of all the compositions of Li-Cr ferrites. Lithium ferrite shows remarkable response towards LPG with good selectivity while decreases sensitivity all Cr rich lithium ferrite.The detailed results of structural and gas sensing properties have been discussed so as to bring out the role of Cr substitution in Lithium ferrite.

Key Words

Sol-gel Chemistry, X-ray diffraction, Electrical property, Gas sensing

Cite This Article

"Gas-Sensing Properties of Cr doped Lithium Ferrites based Sensor for Environmental Monitoring", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.1, Issue 3, page no.326-340, August-2014, Available :http://www.jetir.org/papers/JETIR1912043.pdf

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2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"Gas-Sensing Properties of Cr doped Lithium Ferrites based Sensor for Environmental Monitoring", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.1, Issue 3, page no. pp326-340, August-2014, Available at : http://www.jetir.org/papers/JETIR1912043.pdf

Publication Details

Published Paper ID: JETIR1912043
Registration ID: 226338
Published In: Volume 1 | Issue 3 | Year August-2014
DOI (Digital Object Identifier):
Page No: 326-340
Country: -, -, - .
Area: Engineering
ISSN Number: 2349-5162
Publisher: IJ Publication


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