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Green Engineered ZnFe2O4@ZnO Heterostructures with Tunable Charge Transport and Magnetic Response.

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Title: Green Engineered ZnFe2O4@ZnO Heterostructures with Tunable Charge Transport and Magnetic Response.
Authors: Faizan, Muhammad1,2 (AUTHOR) faizan.kamboh35@gmail.com, Zaman, Yasir2 (AUTHOR) yasir.zaman@uos.edu.pk, Ishaque, Muhammad Zahid2 (AUTHOR), Wang, Wenjing1 (AUTHOR) wendy_wang_7@163.com, Usman, Muhammad3 (AUTHOR), Zaman, Hira4 (AUTHOR)
Source: Journal of Superconductivity & Novel Magnetism. Jun2026, Vol. 39 Issue 3, p1-12. 12p.
Abstract: This study synthesized ZnFe2O4@ZnO nanocomposites with different ZnFe2O4 concentrations (1:3, 1:1, 3:1) by a green process utilizing Chrysanthemum plant extract and the structural, electrical, dielectric and magnetic characteristics were studied. XRD verified the presence of hexagonal ZnO and cubic spinel ZnFe2O4 phases. W-H analysis revealed composition-dependent crystallite refinement and lattice distortion, with crystallite size varying from 8.4 to 7.5 nm and microstrain changing from to as the ZnFe₂O₄/ZnO molar ratio increased. Dielectric measurements showed that at low frequencies, there was a high degree of Maxwell Wagner interfacial polarization, and that the dielectric constant and conductivity of the ACs increased with increased ZnFe2O4 contents because of accumulation and hopping charge interfaces. The tunable soft ferrimagnetic behaviour was confirmed magnetically, with the highest saturation magnetization of 11.7 emu/g observed for the intermediate composition and the lowest value of 8.7 emu/g observed at higher ferrite loading, which can be attributed to surface spin disorder and strain-induced magnetic decoupling. The findings suggest a close connection between microstructure, charge transport, and magnetic ordering. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Superconductivity & Novel Magnetism is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Green Engineered ZnFe2O4@ZnO Heterostructures with Tunable Charge Transport and Magnetic Response.
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  Data: <searchLink fieldCode="AR" term="%22Faizan%2C+Muhammad%22">Faizan, Muhammad</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> faizan.kamboh35@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Zaman%2C+Yasir%22">Zaman, Yasir</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> yasir.zaman@uos.edu.pk</i><br /><searchLink fieldCode="AR" term="%22Ishaque%2C+Muhammad+Zahid%22">Ishaque, Muhammad Zahid</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Wenjing%22">Wang, Wenjing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wendy_wang_7@163.com</i><br /><searchLink fieldCode="AR" term="%22Usman%2C+Muhammad%22">Usman, Muhammad</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zaman%2C+Hira%22">Zaman, Hira</searchLink><relatesTo>4</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Superconductivity+%26+Novel+Magnetism%22">Journal of Superconductivity & Novel Magnetism</searchLink>. Jun2026, Vol. 39 Issue 3, p1-12. 12p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study synthesized ZnFe2O4@ZnO nanocomposites with different ZnFe2O4 concentrations (1:3, 1:1, 3:1) by a green process utilizing Chrysanthemum plant extract and the structural, electrical, dielectric and magnetic characteristics were studied. XRD verified the presence of hexagonal ZnO and cubic spinel ZnFe2O4 phases. W-H analysis revealed composition-dependent crystallite refinement and lattice distortion, with crystallite size varying from 8.4 to 7.5 nm and microstrain changing from to as the ZnFe₂O₄/ZnO molar ratio increased. Dielectric measurements showed that at low frequencies, there was a high degree of Maxwell Wagner interfacial polarization, and that the dielectric constant and conductivity of the ACs increased with increased ZnFe2O4 contents because of accumulation and hopping charge interfaces. The tunable soft ferrimagnetic behaviour was confirmed magnetically, with the highest saturation magnetization of 11.7 emu/g observed for the intermediate composition and the lowest value of 8.7 emu/g observed at higher ferrite loading, which can be attributed to surface spin disorder and strain-induced magnetic decoupling. The findings suggest a close connection between microstructure, charge transport, and magnetic ordering. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Superconductivity & Novel Magnetism is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10948-026-07203-x
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      – Code: eng
        Text: English
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        PageCount: 12
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      – TitleFull: Green Engineered ZnFe2O4@ZnO Heterostructures with Tunable Charge Transport and Magnetic Response.
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            NameFull: Faizan, Muhammad
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            NameFull: Zaman, Yasir
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            NameFull: Ishaque, Muhammad Zahid
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            NameFull: Wang, Wenjing
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            NameFull: Usman, Muhammad
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            NameFull: Zaman, Hira
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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