Dielectrics Properties and Temperature Dependence of Electron Spin Resonance of Doped Molybdenum CCTO

Séka Simplice Kouassi; Jean-Pierre Sagou Sagou; Cécile Autret-Lambert; Sonia Didry; Marc Lethiecq

doi:doi:10.11648/j.am.20170605.12

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Dielectrics Properties and Temperature Dependence of Electron Spin Resonance of Doped Molybdenum CCTO

Séka Simplice Kouassi, Jean-Pierre Sagou Sagou, Cécile Autret-Lambert, Sonia Didry, Marc Lethiecq

Published in Advances in Materials (Volume 6, Issue 5)

Received: 18 July 2017 Accepted: 28 July 2017 Published: 31 August 2017

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Abstract

The role perovskite-type CaCu₃Ti₄O₁₂ (CCTO) dope by molybdenum (Mo) on the microstructure, dielectric properties and the temperature dependence of Electron Spin Resonance (ESR) has been investigated in this work. The solid state reaction has been used to synthesize CCTO ceramic samples. Substitution on Ti-site by Mo helps to increase the grain size of samples and therefore increase the dielectric constant according to the IBLC theory. There is no great difference between the ESR spectra of pure CCTO and CCTO doped by Molybdenum as a function of temperature. For a given temperature, ESR signal spectrum intensity increases as the Mo content increases. The magnetic susceptibility varies according to the composition only when the temperature is higher than 70K. The antiferromagnetic character of the CCTO decreases when the Mo content increases.

Published in	Advances in Materials (Volume 6, Issue 5)
DOI	10.11648/j.am.20170605.12
Page(s)	57-65
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2017. Published by Science Publishing Group

Keywords

Ceramics, Solid State Reaction Method, Dielectric Properties, Magnetic Properties, Electron Spin Resonance

References

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APA Style

Séka Simplice Kouassi, Jean-Pierre Sagou Sagou, Cécile Autret-Lambert, Sonia Didry, Marc Lethiecq. (2017). Dielectrics Properties and Temperature Dependence of Electron Spin Resonance of Doped Molybdenum CCTO. Advances in Materials, 6(5), 57-65. https://doi.org/10.11648/j.am.20170605.12

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ACS Style

Séka Simplice Kouassi; Jean-Pierre Sagou Sagou; Cécile Autret-Lambert; Sonia Didry; Marc Lethiecq. Dielectrics Properties and Temperature Dependence of Electron Spin Resonance of Doped Molybdenum CCTO. Adv. Mater. 2017, 6(5), 57-65. doi: 10.11648/j.am.20170605.12

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AMA Style

Séka Simplice Kouassi, Jean-Pierre Sagou Sagou, Cécile Autret-Lambert, Sonia Didry, Marc Lethiecq. Dielectrics Properties and Temperature Dependence of Electron Spin Resonance of Doped Molybdenum CCTO. Adv Mater. 2017;6(5):57-65. doi: 10.11648/j.am.20170605.12

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@article{10.11648/j.am.20170605.12,
  author = {Séka Simplice Kouassi and Jean-Pierre Sagou Sagou and Cécile Autret-Lambert and Sonia Didry and Marc Lethiecq},
  title = {Dielectrics Properties and Temperature Dependence of Electron Spin Resonance of Doped Molybdenum CCTO},
  journal = {Advances in Materials},
  volume = {6},
  number = {5},
  pages = {57-65},
  doi = {10.11648/j.am.20170605.12},
  url = {https://doi.org/10.11648/j.am.20170605.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.am.20170605.12},
  abstract = {The role perovskite-type CaCu3Ti4O12 (CCTO) dope by molybdenum (Mo) on the microstructure, dielectric properties and the temperature dependence of Electron Spin Resonance (ESR) has been investigated in this work. The solid state reaction has been used to synthesize CCTO ceramic samples. Substitution on Ti-site by Mo helps to increase the grain size of samples and therefore increase the dielectric constant according to the IBLC theory. There is no great difference between the ESR spectra of pure CCTO and CCTO doped by Molybdenum as a function of temperature. For a given temperature, ESR signal spectrum intensity increases as the Mo content increases. The magnetic susceptibility varies according to the composition only when the temperature is higher than 70K. The antiferromagnetic character of the CCTO decreases when the Mo content increases.},
 year = {2017}
}

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TY  - JOUR
T1  - Dielectrics Properties and Temperature Dependence of Electron Spin Resonance of Doped Molybdenum CCTO
AU  - Séka Simplice Kouassi
AU  - Jean-Pierre Sagou Sagou
AU  - Cécile Autret-Lambert
AU  - Sonia Didry
AU  - Marc Lethiecq
Y1  - 2017/08/31
PY  - 2017
N1  - https://doi.org/10.11648/j.am.20170605.12
DO  - 10.11648/j.am.20170605.12
T2  - Advances in Materials
JF  - Advances in Materials
JO  - Advances in Materials
SP  - 57
EP  - 65
PB  - Science Publishing Group
SN  - 2327-252X
UR  - https://doi.org/10.11648/j.am.20170605.12
AB  - The role perovskite-type CaCu3Ti4O12 (CCTO) dope by molybdenum (Mo) on the microstructure, dielectric properties and the temperature dependence of Electron Spin Resonance (ESR) has been investigated in this work. The solid state reaction has been used to synthesize CCTO ceramic samples. Substitution on Ti-site by Mo helps to increase the grain size of samples and therefore increase the dielectric constant according to the IBLC theory. There is no great difference between the ESR spectra of pure CCTO and CCTO doped by Molybdenum as a function of temperature. For a given temperature, ESR signal spectrum intensity increases as the Mo content increases. The magnetic susceptibility varies according to the composition only when the temperature is higher than 70K. The antiferromagnetic character of the CCTO decreases when the Mo content increases.
VL  - 6
IS  - 5
ER  -

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Author Information

Séka Simplice Kouassi

Department of Physics Chemistry Mathematics and Computer Science, Jean Lorougnon GUEDE University, Daloa, Ivory Coast
Jean-Pierre Sagou Sagou

Laboratory of Materials Inorganics Chemistry, Félix Houphou?t BOIGNY University, Abidjan, Ivory Coast
Cécile Autret-Lambert

Greman Umr 7347 Laboratory, Fran?ois Rabelais University, Tours, France
Sonia Didry

Greman Umr 7347 Laboratory, Fran?ois Rabelais University, Tours, France
Marc Lethiecq

Greman Umr 7347 Laboratory, Fran?ois Rabelais University, Tours, France

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APA Style

Séka Simplice Kouassi, Jean-Pierre Sagou Sagou, Cécile Autret-Lambert, Sonia Didry, Marc Lethiecq. (2017). Dielectrics Properties and Temperature Dependence of Electron Spin Resonance of Doped Molybdenum CCTO. Advances in Materials, 6(5), 57-65. https://doi.org/10.11648/j.am.20170605.12

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ACS Style

Séka Simplice Kouassi; Jean-Pierre Sagou Sagou; Cécile Autret-Lambert; Sonia Didry; Marc Lethiecq. Dielectrics Properties and Temperature Dependence of Electron Spin Resonance of Doped Molybdenum CCTO. Adv. Mater. 2017, 6(5), 57-65. doi: 10.11648/j.am.20170605.12

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AMA Style

Séka Simplice Kouassi, Jean-Pierre Sagou Sagou, Cécile Autret-Lambert, Sonia Didry, Marc Lethiecq. Dielectrics Properties and Temperature Dependence of Electron Spin Resonance of Doped Molybdenum CCTO. Adv Mater. 2017;6(5):57-65. doi: 10.11648/j.am.20170605.12

Copy | Download

@article{10.11648/j.am.20170605.12,
  author = {Séka Simplice Kouassi and Jean-Pierre Sagou Sagou and Cécile Autret-Lambert and Sonia Didry and Marc Lethiecq},
  title = {Dielectrics Properties and Temperature Dependence of Electron Spin Resonance of Doped Molybdenum CCTO},
  journal = {Advances in Materials},
  volume = {6},
  number = {5},
  pages = {57-65},
  doi = {10.11648/j.am.20170605.12},
  url = {https://doi.org/10.11648/j.am.20170605.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.am.20170605.12},
  abstract = {The role perovskite-type CaCu3Ti4O12 (CCTO) dope by molybdenum (Mo) on the microstructure, dielectric properties and the temperature dependence of Electron Spin Resonance (ESR) has been investigated in this work. The solid state reaction has been used to synthesize CCTO ceramic samples. Substitution on Ti-site by Mo helps to increase the grain size of samples and therefore increase the dielectric constant according to the IBLC theory. There is no great difference between the ESR spectra of pure CCTO and CCTO doped by Molybdenum as a function of temperature. For a given temperature, ESR signal spectrum intensity increases as the Mo content increases. The magnetic susceptibility varies according to the composition only when the temperature is higher than 70K. The antiferromagnetic character of the CCTO decreases when the Mo content increases.},
 year = {2017}
}

Copy | Download

TY  - JOUR
T1  - Dielectrics Properties and Temperature Dependence of Electron Spin Resonance of Doped Molybdenum CCTO
AU  - Séka Simplice Kouassi
AU  - Jean-Pierre Sagou Sagou
AU  - Cécile Autret-Lambert
AU  - Sonia Didry
AU  - Marc Lethiecq
Y1  - 2017/08/31
PY  - 2017
N1  - https://doi.org/10.11648/j.am.20170605.12
DO  - 10.11648/j.am.20170605.12
T2  - Advances in Materials
JF  - Advances in Materials
JO  - Advances in Materials
SP  - 57
EP  - 65
PB  - Science Publishing Group
SN  - 2327-252X
UR  - https://doi.org/10.11648/j.am.20170605.12
AB  - The role perovskite-type CaCu3Ti4O12 (CCTO) dope by molybdenum (Mo) on the microstructure, dielectric properties and the temperature dependence of Electron Spin Resonance (ESR) has been investigated in this work. The solid state reaction has been used to synthesize CCTO ceramic samples. Substitution on Ti-site by Mo helps to increase the grain size of samples and therefore increase the dielectric constant according to the IBLC theory. There is no great difference between the ESR spectra of pure CCTO and CCTO doped by Molybdenum as a function of temperature. For a given temperature, ESR signal spectrum intensity increases as the Mo content increases. The magnetic susceptibility varies according to the composition only when the temperature is higher than 70K. The antiferromagnetic character of the CCTO decreases when the Mo content increases.
VL  - 6
IS  - 5
ER  -

Copy | Download