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Dielectric properties of La0.67sr0.33Mnl-xTix03 with x = 0.4 and 0.6.

The dielectric properties of Ti-substituted La0.67Sr0.33Mn1-xTixO3 with x = 0.4 and 0.6 as a function of frequency and temperature have been investigated. The samples have been prepared using the conventional solid state reaction method at 1300oC. Both samples showed rhombohedral structure with R3C...

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Main Authors: Zalita , Z., Shaari, Abdul Halim, Wan Yusoff, Wan Mohamad Daud, Lim, Kean Pah, Talib , Zainal Abidin, Mazni, M.
Format: Article
Language:English
English
Published: Malaysian Solid State Science and Technology Society (MASS) 2011
Online Access:http://psasir.upm.edu.my/id/eprint/25038/1/Dielectric%20properties%20of%20La0.67sr0.33Mnl-xTix03%20with%20x%20%3D%200.4%20and%200.6..pdf
http://psasir.upm.edu.my/id/eprint/25038/
http://www.ukm.my/mass/
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spelling my.upm.eprints.250382015-11-18T03:30:52Z http://psasir.upm.edu.my/id/eprint/25038/ Dielectric properties of La0.67sr0.33Mnl-xTix03 with x = 0.4 and 0.6. Zalita , Z. Shaari, Abdul Halim Wan Yusoff, Wan Mohamad Daud Lim, Kean Pah Talib , Zainal Abidin Mazni, M. The dielectric properties of Ti-substituted La0.67Sr0.33Mn1-xTixO3 with x = 0.4 and 0.6 as a function of frequency and temperature have been investigated. The samples have been prepared using the conventional solid state reaction method at 1300oC. Both samples showed rhombohedral structure with R3C space group. The grain size of x = 0.4 and 0.6 are ~2.5 to 3.3 μm and ~0.4 to 0.9 μm respectively. The dielectric constant, ε' of the samples decreases with frequency but increases with temperature. We have successfully obtained very high dielectric constant material. The highest ε' value for LSMT with x = 0.4 and 0.6 are at frequency of 10 Hz and temperature 300 K, which are ~5.7 x 106 and ~2.4 x 106. The tan δ increases with temperature for x = 0.6 but shows a peak at a certain temperature for x = 0.4. Sample with x = 0.4 has better dielectric properties compared to x = 0.6 sample because it has higher ε' and lower tan δ value. At 175 K and 1 kHz sample with x = 0.4 shows the best dielectric properties with a high ε’ value and low tan δ which are 1.1 x 105 and 0.8 respectively. Malaysian Solid State Science and Technology Society (MASS) 2011 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/25038/1/Dielectric%20properties%20of%20La0.67sr0.33Mnl-xTix03%20with%20x%20%3D%200.4%20and%200.6..pdf Zalita , Z. and Shaari, Abdul Halim and Wan Yusoff, Wan Mohamad Daud and Lim, Kean Pah and Talib , Zainal Abidin and Mazni, M. (2011) Dielectric properties of La0.67sr0.33Mnl-xTix03 with x = 0.4 and 0.6. Solid State Science and Technology, 19 (1). pp. 169-174. ISSN 0128-7389 http://www.ukm.my/mass/ English
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
English
description The dielectric properties of Ti-substituted La0.67Sr0.33Mn1-xTixO3 with x = 0.4 and 0.6 as a function of frequency and temperature have been investigated. The samples have been prepared using the conventional solid state reaction method at 1300oC. Both samples showed rhombohedral structure with R3C space group. The grain size of x = 0.4 and 0.6 are ~2.5 to 3.3 μm and ~0.4 to 0.9 μm respectively. The dielectric constant, ε' of the samples decreases with frequency but increases with temperature. We have successfully obtained very high dielectric constant material. The highest ε' value for LSMT with x = 0.4 and 0.6 are at frequency of 10 Hz and temperature 300 K, which are ~5.7 x 106 and ~2.4 x 106. The tan δ increases with temperature for x = 0.6 but shows a peak at a certain temperature for x = 0.4. Sample with x = 0.4 has better dielectric properties compared to x = 0.6 sample because it has higher ε' and lower tan δ value. At 175 K and 1 kHz sample with x = 0.4 shows the best dielectric properties with a high ε’ value and low tan δ which are 1.1 x 105 and 0.8 respectively.
format Article
author Zalita , Z.
Shaari, Abdul Halim
Wan Yusoff, Wan Mohamad Daud
Lim, Kean Pah
Talib , Zainal Abidin
Mazni, M.
spellingShingle Zalita , Z.
Shaari, Abdul Halim
Wan Yusoff, Wan Mohamad Daud
Lim, Kean Pah
Talib , Zainal Abidin
Mazni, M.
Dielectric properties of La0.67sr0.33Mnl-xTix03 with x = 0.4 and 0.6.
author_facet Zalita , Z.
Shaari, Abdul Halim
Wan Yusoff, Wan Mohamad Daud
Lim, Kean Pah
Talib , Zainal Abidin
Mazni, M.
author_sort Zalita , Z.
title Dielectric properties of La0.67sr0.33Mnl-xTix03 with x = 0.4 and 0.6.
title_short Dielectric properties of La0.67sr0.33Mnl-xTix03 with x = 0.4 and 0.6.
title_full Dielectric properties of La0.67sr0.33Mnl-xTix03 with x = 0.4 and 0.6.
title_fullStr Dielectric properties of La0.67sr0.33Mnl-xTix03 with x = 0.4 and 0.6.
title_full_unstemmed Dielectric properties of La0.67sr0.33Mnl-xTix03 with x = 0.4 and 0.6.
title_sort dielectric properties of la0.67sr0.33mnl-xtix03 with x = 0.4 and 0.6.
publisher Malaysian Solid State Science and Technology Society (MASS)
publishDate 2011
url http://psasir.upm.edu.my/id/eprint/25038/1/Dielectric%20properties%20of%20La0.67sr0.33Mnl-xTix03%20with%20x%20%3D%200.4%20and%200.6..pdf
http://psasir.upm.edu.my/id/eprint/25038/
http://www.ukm.my/mass/
_version_ 1643828539958493184
score 13.211869

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