A Theoretical Approach: Effects of <i>Mn</i> Substitution in <i>Cobalt</i> Ferrite

Md. Ziaul Ahsan; Md. Aminul Islam

doi:doi:10.11648/j.ajasr.20190503.12

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A Theoretical Approach: Effects of Mn Substitution in Cobalt Ferrite

Md. Ziaul Ahsan, Md. Aminul Islam

Published in American Journal of Applied Scientific Research (Volume 5, Issue 3)

Received: 25 July 2019 Accepted: 13 August 2019 Published: 4 November 2019

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Abstract

This paper reports on the effect of Mn substitution in cobalt ferrite to explore the probable correlation among the structural, magnetic, and magneto-mechanical properties by a theoretical approach. Three compositions of Mn doped Cobalt ferrites at different Mn concentration (x) = 0.125, 0.25, 0.375, 0.5 have been undertaken for their analytical study to understand the correlation among the aforesaid properties. In this approach, an empirical equation has been formulated based on idealistic cation distribution in tetrahedral and octahedral sites of cobalt ferrite at room temperature. The hopping lengths and bond lengths have also been estimated using the corresponding Stanley’s equations in idealistic condition. The estimated lattice constant is found to decrease and effective magnetic moment μ_ferri to increase with the Mn content, substituted for Co in the octahedral site due to increased A-B interactions. This increasing effect of Mn content in cobalt ferrite may be significant to the tunability of the Curie temperature, T_C and may have an influence on superparamagnetism (SPM). On the other hand, the compositions where Mn substituted for Fe may increase the porosity due to their increased bond lengths with Mn content and thus may optimize them for applications in the environmental (gas) sensors. However, the analysis of the predicted effects of Mn and correlation thereon is completely based on the theoretical approach and thereby need experimental verification to confirm and supplement them.

Published in	American Journal of Applied Scientific Research (Volume 5, Issue 3)
DOI	10.11648/j.ajasr.20190503.12
Page(s)	56-61
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), 2019. Published by Science Publishing Group

Keywords

Lattice Constant, Hopping Length, Bond Length, Effective Magnetic Moment, Porosity

References

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Md. Ziaul Ahsan, Md. Aminul Islam. (2019). A Theoretical Approach: Effects of Mn Substitution in Cobalt Ferrite. American Journal of Applied Scientific Research, 5(3), 56-61. https://doi.org/10.11648/j.ajasr.20190503.12

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Md. Ziaul Ahsan; Md. Aminul Islam. A Theoretical Approach: Effects of Mn Substitution in Cobalt Ferrite. Am. J. Appl. Sci. Res. 2019, 5(3), 56-61. doi: 10.11648/j.ajasr.20190503.12

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AMA Style

Md. Ziaul Ahsan, Md. Aminul Islam. A Theoretical Approach: Effects of Mn Substitution in Cobalt Ferrite. Am J Appl Sci Res. 2019;5(3):56-61. doi: 10.11648/j.ajasr.20190503.12

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@article{10.11648/j.ajasr.20190503.12,
  author = {Md. Ziaul Ahsan and Md. Aminul Islam},
  title = {A Theoretical Approach: Effects of Mn Substitution in Cobalt Ferrite},
  journal = {American Journal of Applied Scientific Research},
  volume = {5},
  number = {3},
  pages = {56-61},
  doi = {10.11648/j.ajasr.20190503.12},
  url = {https://doi.org/10.11648/j.ajasr.20190503.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajasr.20190503.12},
  abstract = {This paper reports on the effect of Mn substitution in cobalt ferrite to explore the probable correlation among the structural, magnetic, and magneto-mechanical properties by a theoretical approach. Three compositions of Mn doped Cobalt ferrites at different Mn concentration (x) = 0.125, 0.25, 0.375, 0.5 have been undertaken for their analytical study to understand the correlation among the aforesaid properties. In this approach, an empirical equation has been formulated based on idealistic cation distribution in tetrahedral and octahedral sites of cobalt ferrite at room temperature. The hopping lengths and bond lengths have also been estimated using the corresponding Stanley’s equations in idealistic condition. The estimated lattice constant is found to decrease and effective magnetic moment μferri to increase with the Mn content, substituted for Co in the octahedral site due to increased A-B interactions. This increasing effect of Mn content in cobalt ferrite may be significant to the tunability of the Curie temperature, TC and may have an influence on superparamagnetism (SPM). On the other hand, the compositions where Mn substituted for Fe may increase the porosity due to their increased bond lengths with Mn content and thus may optimize them for applications in the environmental (gas) sensors. However, the analysis of the predicted effects of Mn and correlation thereon is completely based on the theoretical approach and thereby need experimental verification to confirm and supplement them.},
 year = {2019}
}

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TY  - JOUR
T1  - A Theoretical Approach: Effects of Mn Substitution in Cobalt Ferrite
AU  - Md. Ziaul Ahsan
AU  - Md. Aminul Islam
Y1  - 2019/11/04
PY  - 2019
N1  - https://doi.org/10.11648/j.ajasr.20190503.12
DO  - 10.11648/j.ajasr.20190503.12
T2  - American Journal of Applied Scientific Research
JF  - American Journal of Applied Scientific Research
JO  - American Journal of Applied Scientific Research
SP  - 56
EP  - 61
PB  - Science Publishing Group
SN  - 2471-9730
UR  - https://doi.org/10.11648/j.ajasr.20190503.12
AB  - This paper reports on the effect of Mn substitution in cobalt ferrite to explore the probable correlation among the structural, magnetic, and magneto-mechanical properties by a theoretical approach. Three compositions of Mn doped Cobalt ferrites at different Mn concentration (x) = 0.125, 0.25, 0.375, 0.5 have been undertaken for their analytical study to understand the correlation among the aforesaid properties. In this approach, an empirical equation has been formulated based on idealistic cation distribution in tetrahedral and octahedral sites of cobalt ferrite at room temperature. The hopping lengths and bond lengths have also been estimated using the corresponding Stanley’s equations in idealistic condition. The estimated lattice constant is found to decrease and effective magnetic moment μferri to increase with the Mn content, substituted for Co in the octahedral site due to increased A-B interactions. This increasing effect of Mn content in cobalt ferrite may be significant to the tunability of the Curie temperature, TC and may have an influence on superparamagnetism (SPM). On the other hand, the compositions where Mn substituted for Fe may increase the porosity due to their increased bond lengths with Mn content and thus may optimize them for applications in the environmental (gas) sensors. However, the analysis of the predicted effects of Mn and correlation thereon is completely based on the theoretical approach and thereby need experimental verification to confirm and supplement them.
VL  - 5
IS  - 3
ER  -

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Author Information

Md. Ziaul Ahsan

Military Institute of Science and Technology, Mirpur Cantonment, Dhaka, Bangladesh
Md. Aminul Islam

Department of Physics, Bangladesh University of Engineering and Technology, Dhaka, Bangladesh

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APA Style

Md. Ziaul Ahsan, Md. Aminul Islam. (2019). A Theoretical Approach: Effects of Mn Substitution in Cobalt Ferrite. American Journal of Applied Scientific Research, 5(3), 56-61. https://doi.org/10.11648/j.ajasr.20190503.12

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ACS Style

Md. Ziaul Ahsan; Md. Aminul Islam. A Theoretical Approach: Effects of Mn Substitution in Cobalt Ferrite. Am. J. Appl. Sci. Res. 2019, 5(3), 56-61. doi: 10.11648/j.ajasr.20190503.12

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AMA Style

Md. Ziaul Ahsan, Md. Aminul Islam. A Theoretical Approach: Effects of Mn Substitution in Cobalt Ferrite. Am J Appl Sci Res. 2019;5(3):56-61. doi: 10.11648/j.ajasr.20190503.12

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@article{10.11648/j.ajasr.20190503.12,
  author = {Md. Ziaul Ahsan and Md. Aminul Islam},
  title = {A Theoretical Approach: Effects of Mn Substitution in Cobalt Ferrite},
  journal = {American Journal of Applied Scientific Research},
  volume = {5},
  number = {3},
  pages = {56-61},
  doi = {10.11648/j.ajasr.20190503.12},
  url = {https://doi.org/10.11648/j.ajasr.20190503.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajasr.20190503.12},
  abstract = {This paper reports on the effect of Mn substitution in cobalt ferrite to explore the probable correlation among the structural, magnetic, and magneto-mechanical properties by a theoretical approach. Three compositions of Mn doped Cobalt ferrites at different Mn concentration (x) = 0.125, 0.25, 0.375, 0.5 have been undertaken for their analytical study to understand the correlation among the aforesaid properties. In this approach, an empirical equation has been formulated based on idealistic cation distribution in tetrahedral and octahedral sites of cobalt ferrite at room temperature. The hopping lengths and bond lengths have also been estimated using the corresponding Stanley’s equations in idealistic condition. The estimated lattice constant is found to decrease and effective magnetic moment μferri to increase with the Mn content, substituted for Co in the octahedral site due to increased A-B interactions. This increasing effect of Mn content in cobalt ferrite may be significant to the tunability of the Curie temperature, TC and may have an influence on superparamagnetism (SPM). On the other hand, the compositions where Mn substituted for Fe may increase the porosity due to their increased bond lengths with Mn content and thus may optimize them for applications in the environmental (gas) sensors. However, the analysis of the predicted effects of Mn and correlation thereon is completely based on the theoretical approach and thereby need experimental verification to confirm and supplement them.},
 year = {2019}
}

Copy | Download

TY  - JOUR
T1  - A Theoretical Approach: Effects of Mn Substitution in Cobalt Ferrite
AU  - Md. Ziaul Ahsan
AU  - Md. Aminul Islam
Y1  - 2019/11/04
PY  - 2019
N1  - https://doi.org/10.11648/j.ajasr.20190503.12
DO  - 10.11648/j.ajasr.20190503.12
T2  - American Journal of Applied Scientific Research
JF  - American Journal of Applied Scientific Research
JO  - American Journal of Applied Scientific Research
SP  - 56
EP  - 61
PB  - Science Publishing Group
SN  - 2471-9730
UR  - https://doi.org/10.11648/j.ajasr.20190503.12
AB  - This paper reports on the effect of Mn substitution in cobalt ferrite to explore the probable correlation among the structural, magnetic, and magneto-mechanical properties by a theoretical approach. Three compositions of Mn doped Cobalt ferrites at different Mn concentration (x) = 0.125, 0.25, 0.375, 0.5 have been undertaken for their analytical study to understand the correlation among the aforesaid properties. In this approach, an empirical equation has been formulated based on idealistic cation distribution in tetrahedral and octahedral sites of cobalt ferrite at room temperature. The hopping lengths and bond lengths have also been estimated using the corresponding Stanley’s equations in idealistic condition. The estimated lattice constant is found to decrease and effective magnetic moment μferri to increase with the Mn content, substituted for Co in the octahedral site due to increased A-B interactions. This increasing effect of Mn content in cobalt ferrite may be significant to the tunability of the Curie temperature, TC and may have an influence on superparamagnetism (SPM). On the other hand, the compositions where Mn substituted for Fe may increase the porosity due to their increased bond lengths with Mn content and thus may optimize them for applications in the environmental (gas) sensors. However, the analysis of the predicted effects of Mn and correlation thereon is completely based on the theoretical approach and thereby need experimental verification to confirm and supplement them.
VL  - 5
IS  - 3
ER  -

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