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The effect of Ti on physical properties of Fe2O3 thin films for gas sensor applications

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Main Authors: Sami Salman, Chiad, Tahseen H., Mubarak
Other Authors: dr.sami@uomustansiriyah.edu.iq
Format: Article
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2020
Subjects:
Fe2O3
Ti
SEM
AFM
Gas Sensitivity
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/65224
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id my.unimap-65224
record_format dspace
spelling my.unimap-652242020-06-24T04:11:04Z The effect of Ti on physical properties of Fe2O3 thin films for gas sensor applications Sami Salman, Chiad Tahseen H., Mubarak dr.sami@uomustansiriyah.edu.iq Fe2O3 Ti SEM AFM Gas Sensitivity Link to publisher's homepage at http://ijneam.unimap.edu.my Hematite (Fe2O3) and titanium (1 wt% and 3 wt%) doped Fe2O3 were prepared onto glass and p-type silicon wafer using the pulsed laser deposition technique. X-ray diffraction analysis indicates that samples of pure and Ti-doped were polycrystalline with a crystal orientation along (113) plane. The average grain size increases with the increasing titanium content. Surface morphology was studied through a Scanning Electron Microscope (SEM) and Atomic Force Microscopy (AFM), which reveal that grains are columnar in shape. UV-visible transmission spectroscopy reveals that the deposited films are transparent within a visible range. The value of the optical bandgap exhibits a decrease from 1.93 eV to 1.48 eV as titanium concentration increases. Gas sensitivity measurements at 30°C. showed a decrease in sensitivity with the increase of doping and gas concentration. 2020-06-24T04:11:04Z 2020-06-24T04:11:04Z 2020-04 Article International Journal of Nanoelectronics and Materials, vol.13(2), 2020, pages 221-232 1985-5761 (Printed) 1997-4434 (Online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/65224 http://ijneam.unimap.edu.my en Universiti Malaysia Perlis (UniMAP)
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Fe2O3
Ti
SEM
AFM
Gas Sensitivity
spellingShingle Fe2O3
Ti
SEM
AFM
Gas Sensitivity
Sami Salman, Chiad
Tahseen H., Mubarak
The effect of Ti on physical properties of Fe2O3 thin films for gas sensor applications
description Link to publisher's homepage at http://ijneam.unimap.edu.my
author2 dr.sami@uomustansiriyah.edu.iq
author_facet dr.sami@uomustansiriyah.edu.iq
Sami Salman, Chiad
Tahseen H., Mubarak
format Article
author Sami Salman, Chiad
Tahseen H., Mubarak
author_sort Sami Salman, Chiad
title The effect of Ti on physical properties of Fe2O3 thin films for gas sensor applications
title_short The effect of Ti on physical properties of Fe2O3 thin films for gas sensor applications
title_full The effect of Ti on physical properties of Fe2O3 thin films for gas sensor applications
title_fullStr The effect of Ti on physical properties of Fe2O3 thin films for gas sensor applications
title_full_unstemmed The effect of Ti on physical properties of Fe2O3 thin films for gas sensor applications
title_sort effect of ti on physical properties of fe2o3 thin films for gas sensor applications
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2020
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/65224
_version_ 1674067690532110336
score 13.214268

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