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Purification and Characterization of Carbon Nanotubes and the Formation of Magnetic Semiconductors for the Spintronic Application

Received: 11 May 2015    Accepted: 01 June 2015    Published: 25 June 2015
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Abstract

This article reports the synthesis of carbon nanotubes (CNTs) encapsulating iron (Fe) that would lead to formation of magnetic semiconductors, employing the arc discharge method. Morphology of the samples is studied from transmission electron microscope (TEM) imaging. Data is recorded by x-ray diffractometer (XRD) and identification of the sample constituent by energy dispersion x-ray (EDX). TEM images of metal added samples indicated that defects are completely removed after mono acidic treatment and open air oxidizing at 4000C for 15 minutes, leaving nano sized carbonaceous attached on surfaces of carbon nanotubes and catalyst particles encapsulated. This formation is recognized as a phenomenon at certain temperature. EDX examination shows that there is oxygen constituent remaining after purification along with iron and carbon, perhaps forming FeO during the reaction with water, indicating success in metal incorporation. This envisages that there would be formation of magnetic semiconductors where iron ions may take carbon cites in the CNTs of semiconducting characteristics, as can be revealed from experiments. This suggests that magnetic carbon nanotubes can be used for the spintronic application.

DOI 10.11648/j.sr.20150303.22
Published in Science Research (Volume 3, Issue 3, June 2015)
Page(s) 122-128
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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), 2024. Published by Science Publishing Group

Keywords

Arc Discharge, Carbon Nanotubes, Defects, FeO, Magnetic Semiconductors

References
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Author Information
  • Physics Department, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia

  • Physics Department, Panjab University, Chandigarh, India

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  • APA Style

    Chernet Amente, Keya Dharamvir. (2015). Purification and Characterization of Carbon Nanotubes and the Formation of Magnetic Semiconductors for the Spintronic Application. Science Research, 3(3), 122-128. https://doi.org/10.11648/j.sr.20150303.22

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    ACS Style

    Chernet Amente; Keya Dharamvir. Purification and Characterization of Carbon Nanotubes and the Formation of Magnetic Semiconductors for the Spintronic Application. Sci. Res. 2015, 3(3), 122-128. doi: 10.11648/j.sr.20150303.22

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    AMA Style

    Chernet Amente, Keya Dharamvir. Purification and Characterization of Carbon Nanotubes and the Formation of Magnetic Semiconductors for the Spintronic Application. Sci Res. 2015;3(3):122-128. doi: 10.11648/j.sr.20150303.22

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  • @article{10.11648/j.sr.20150303.22,
      author = {Chernet Amente and Keya Dharamvir},
      title = {Purification and Characterization of Carbon Nanotubes and the Formation of Magnetic Semiconductors for the Spintronic Application},
      journal = {Science Research},
      volume = {3},
      number = {3},
      pages = {122-128},
      doi = {10.11648/j.sr.20150303.22},
      url = {https://doi.org/10.11648/j.sr.20150303.22},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.sr.20150303.22},
      abstract = {This article reports the synthesis of carbon nanotubes (CNTs) encapsulating iron (Fe) that would lead to formation of magnetic semiconductors, employing the arc discharge method. Morphology of the samples is studied from transmission electron microscope (TEM) imaging. Data is recorded by x-ray diffractometer (XRD) and identification of the sample constituent by energy dispersion x-ray (EDX). TEM images of metal added samples indicated that defects are completely removed after mono acidic treatment and open air oxidizing at 4000C for 15 minutes, leaving nano sized carbonaceous attached on surfaces of carbon nanotubes and catalyst particles encapsulated. This formation is recognized as a phenomenon at certain temperature. EDX examination shows that there is oxygen constituent remaining after purification along with iron and carbon, perhaps forming FeO during the reaction with water, indicating success in metal incorporation. This envisages that there would be formation of magnetic semiconductors where iron ions may take carbon cites in the CNTs of semiconducting characteristics, as can be revealed from experiments. This suggests that magnetic carbon nanotubes can be used for the spintronic application.},
     year = {2015}
    }
    

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    T1  - Purification and Characterization of Carbon Nanotubes and the Formation of Magnetic Semiconductors for the Spintronic Application
    AU  - Chernet Amente
    AU  - Keya Dharamvir
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    JF  - Science Research
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    AB  - This article reports the synthesis of carbon nanotubes (CNTs) encapsulating iron (Fe) that would lead to formation of magnetic semiconductors, employing the arc discharge method. Morphology of the samples is studied from transmission electron microscope (TEM) imaging. Data is recorded by x-ray diffractometer (XRD) and identification of the sample constituent by energy dispersion x-ray (EDX). TEM images of metal added samples indicated that defects are completely removed after mono acidic treatment and open air oxidizing at 4000C for 15 minutes, leaving nano sized carbonaceous attached on surfaces of carbon nanotubes and catalyst particles encapsulated. This formation is recognized as a phenomenon at certain temperature. EDX examination shows that there is oxygen constituent remaining after purification along with iron and carbon, perhaps forming FeO during the reaction with water, indicating success in metal incorporation. This envisages that there would be formation of magnetic semiconductors where iron ions may take carbon cites in the CNTs of semiconducting characteristics, as can be revealed from experiments. This suggests that magnetic carbon nanotubes can be used for the spintronic application.
    VL  - 3
    IS  - 3
    ER  - 

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