Magnetic Attributes of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles: Influence of Dysprosium Ions (Dy<sup>3+</sup>) Substitution
This paper reports the influence of dysprosium ion (Dy<sup>3+</sup>) substitution on the structural and magnetic properties of NiDy<i><sub>x</sub></i>Fe<sub>2−<i>x</i></sub>O<sub>4</sub> (0.0 ≤ <i>x<...
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| Format: | Article |
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MDPI AG
2019-05-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/9/6/820 |
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| author | Munirah Abdullah Almessiere Y. Slimani H. Güngüneş S. Ali A. Manikandan I. Ercan A. Baykal A.V. Trukhanov |
| author_facet | Munirah Abdullah Almessiere Y. Slimani H. Güngüneş S. Ali A. Manikandan I. Ercan A. Baykal A.V. Trukhanov |
| author_sort | Munirah Abdullah Almessiere |
| collection | DOAJ |
| description | This paper reports the influence of dysprosium ion (Dy<sup>3+</sup>) substitution on the structural and magnetic properties of NiDy<i><sub>x</sub></i>Fe<sub>2−<i>x</i></sub>O<sub>4</sub> (0.0 ≤ <i>x</i> ≤ 0.1) nanoparticles (NPs) prepared using a hydrothermal method. The structure and morphology of the as-synthesized NPs were characterized via X-ray diffraction (XRD), scanning and transmission electron microscope (SEM, and TEM) analyses. <sup>57</sup>Fe Mössbauer spectra were recorded to determine the Dy<sup>3+</sup> content dependent variation in the line width, isomer shift, quadrupole splitting, and hyperfine magnetic fields. Furthermore, the magnetic properties of the prepared NPs were also investigated by zero-field cooled (ZFC) and field cooled (FC) magnetizations and AC susceptibility measurements. The M<sub>ZFC</sub> (T) results showed a blocking temperature (<i>T</i><sub>B</sub>). Below <i>T</i><sub>B</sub>, the products behave as ferromagnetic (FM) and act superparamagnetic (SPM) above <i>T</i><sub>B</sub>. The M<sub>FC</sub> (<i>T</i>) curves indicated the existence of super-spin glass (SSG) behavior below <i>T</i><sub>s</sub> (spin-glass freezing temperature). The AC susceptibility measurements confirmed the existence of the two transition temperatures (i.e., <i>T</i><sub>B</sub> and <i>T</i><sub>s</sub>). Numerous models, e.g., Neel−Arrhenius (N−A), Vogel−Fulcher (V−F), and critical slowing down (CSD), were used to investigate the dynamics of the systems. It was found that the Dy substitution enhanced the magnetic interactions. |
| first_indexed | 2024-12-22T10:53:04Z |
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| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-12-22T10:53:04Z |
| publishDate | 2019-05-01 |
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| series | Nanomaterials |
| spelling | doaj.art-6254c80e2ee543e398de7fc159fcea982022-12-21T18:28:43ZengMDPI AGNanomaterials2079-49912019-05-019682010.3390/nano9060820nano9060820Magnetic Attributes of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles: Influence of Dysprosium Ions (Dy<sup>3+</sup>) SubstitutionMunirah Abdullah Almessiere0Y. Slimani1H. Güngüneş2S. Ali3A. Manikandan4I. Ercan5A. Baykal6A.V. Trukhanov7Department of Biophysics, Institute for Research & Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi ArabiaDepartment of Biophysics, Institute for Research & Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi ArabiaDepartment of Physics, Hitit University, Çevre Yolu Bulvarı-Çorum 19030, TurkeyMechanical and Energy Engineering Department College of Engineering, Imam Abdulrahman bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi ArabiaDepartment of Chemistry, Bharath Institute of Higher Education and Research, Bharath University, Chennai, Tamil Nadu 600073, IndiaDepartment of Biophysics, Institute for Research & Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi ArabiaDepartment of Nano-Medicine Research, Institute for Research & Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi ArabiaScientific-Practical Materials Research Centre NAS of Belarus, 19 P. Brovki Street, 220072 Minsk, BelarusThis paper reports the influence of dysprosium ion (Dy<sup>3+</sup>) substitution on the structural and magnetic properties of NiDy<i><sub>x</sub></i>Fe<sub>2−<i>x</i></sub>O<sub>4</sub> (0.0 ≤ <i>x</i> ≤ 0.1) nanoparticles (NPs) prepared using a hydrothermal method. The structure and morphology of the as-synthesized NPs were characterized via X-ray diffraction (XRD), scanning and transmission electron microscope (SEM, and TEM) analyses. <sup>57</sup>Fe Mössbauer spectra were recorded to determine the Dy<sup>3+</sup> content dependent variation in the line width, isomer shift, quadrupole splitting, and hyperfine magnetic fields. Furthermore, the magnetic properties of the prepared NPs were also investigated by zero-field cooled (ZFC) and field cooled (FC) magnetizations and AC susceptibility measurements. The M<sub>ZFC</sub> (T) results showed a blocking temperature (<i>T</i><sub>B</sub>). Below <i>T</i><sub>B</sub>, the products behave as ferromagnetic (FM) and act superparamagnetic (SPM) above <i>T</i><sub>B</sub>. The M<sub>FC</sub> (<i>T</i>) curves indicated the existence of super-spin glass (SSG) behavior below <i>T</i><sub>s</sub> (spin-glass freezing temperature). The AC susceptibility measurements confirmed the existence of the two transition temperatures (i.e., <i>T</i><sub>B</sub> and <i>T</i><sub>s</sub>). Numerous models, e.g., Neel−Arrhenius (N−A), Vogel−Fulcher (V−F), and critical slowing down (CSD), were used to investigate the dynamics of the systems. It was found that the Dy substitution enhanced the magnetic interactions.https://www.mdpi.com/2079-4991/9/6/820NiFe<sub>2</sub>O<sub>4</sub>spinel ferritesstructuremicrostructuremagnetizationAC susceptibility |
| spellingShingle | Munirah Abdullah Almessiere Y. Slimani H. Güngüneş S. Ali A. Manikandan I. Ercan A. Baykal A.V. Trukhanov Magnetic Attributes of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles: Influence of Dysprosium Ions (Dy<sup>3+</sup>) Substitution Nanomaterials NiFe<sub>2</sub>O<sub>4</sub> spinel ferrites structure microstructure magnetization AC susceptibility |
| title | Magnetic Attributes of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles: Influence of Dysprosium Ions (Dy<sup>3+</sup>) Substitution |
| title_full | Magnetic Attributes of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles: Influence of Dysprosium Ions (Dy<sup>3+</sup>) Substitution |
| title_fullStr | Magnetic Attributes of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles: Influence of Dysprosium Ions (Dy<sup>3+</sup>) Substitution |
| title_full_unstemmed | Magnetic Attributes of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles: Influence of Dysprosium Ions (Dy<sup>3+</sup>) Substitution |
| title_short | Magnetic Attributes of NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles: Influence of Dysprosium Ions (Dy<sup>3+</sup>) Substitution |
| title_sort | magnetic attributes of nife sub 2 sub o sub 4 sub nanoparticles influence of dysprosium ions dy sup 3 sup substitution |
| topic | NiFe<sub>2</sub>O<sub>4</sub> spinel ferrites structure microstructure magnetization AC susceptibility |
| url | https://www.mdpi.com/2079-4991/9/6/820 |
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