Impedance/modulus analysis of sol-gel BaxSr1-xTiO3 thin films

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Main Authors: Saif, Ala'eddin A., Poopalan, Prabakaran, Assoc. Prof.
Other Authors: alasaif82@hotmail.com
Format: Article
Language:English
Published: Korean Physical Society 2011
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Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/11387
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spelling my.unimap-113872011-06-30T06:41:13Z Impedance/modulus analysis of sol-gel BaxSr1-xTiO3 thin films Saif, Ala'eddin A. Poopalan, Prabakaran, Assoc. Prof. alasaif82@hotmail.com BST thin films Grain boundaries Impedance Modulus Link to publisher's homepage at http://www.kps.or.kr/ Perovskite-structure-type sol-gel barium-strontium-titanate (BST) thin films with molar formula BaxSr1-xTiO3 (x = 0.5, 0.6, 0.7, and 0.8) have been successfully fabricated as Al/BST/Pt capacitors. In order to study the role of the grain size in the conduction mechanisms, we present atomic force microscopy (AFM) results. The impedance and the electric modulus of BaxSr1-xTiO3 thin films have been analyzed in order to correlate the effect of the film regional processes on the conduction mechanism. The impedance and the electric modulus complex planes show three overlapping regions as response for the bulk, the grain boundary and the film/electrode interface mechanisms, and an equivalent circuit has been proposed for each mechanism. The conduction mechanism resulting from the bulk and the grain boundaries is discussed; the results show that the grain boundaries have less effect on the conduction mechanism than the bulk. 2011-03-23T04:05:29Z 2011-03-23T04:05:29Z 2010-12 Article Journal of the Korean Physical Society, vol. 57(6), 2010, pages 1449-1455 0374-4884 http://www.kps.or.kr/jkps/abstract_view.asp?articleuid=F0DCF281-A13E-4946-A6C8-9F1A79207F3D http://hdl.handle.net/123456789/11387 en Korean Physical Society
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 BST thin films
Grain boundaries
Impedance
Modulus
spellingShingle BST thin films
Grain boundaries
Impedance
Modulus
Saif, Ala'eddin A.
Poopalan, Prabakaran, Assoc. Prof.
Impedance/modulus analysis of sol-gel BaxSr1-xTiO3 thin films
description Link to publisher's homepage at http://www.kps.or.kr/
author2 alasaif82@hotmail.com
author_facet alasaif82@hotmail.com
Saif, Ala'eddin A.
Poopalan, Prabakaran, Assoc. Prof.
format Article
author Saif, Ala'eddin A.
Poopalan, Prabakaran, Assoc. Prof.
author_sort Saif, Ala'eddin A.
title Impedance/modulus analysis of sol-gel BaxSr1-xTiO3 thin films
title_short Impedance/modulus analysis of sol-gel BaxSr1-xTiO3 thin films
title_full Impedance/modulus analysis of sol-gel BaxSr1-xTiO3 thin films
title_fullStr Impedance/modulus analysis of sol-gel BaxSr1-xTiO3 thin films
title_full_unstemmed Impedance/modulus analysis of sol-gel BaxSr1-xTiO3 thin films
title_sort impedance/modulus analysis of sol-gel baxsr1-xtio3 thin films
publisher Korean Physical Society
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/11387
_version_ 1643790133742272512
score 13.222552