Zinc–Cobalt Oxide Thin Films: High Curie Temperature Studied by Electron Magnetic Resonance
The material with a high Curie temperature of cobalt-doped zinc oxide embedded with silver-nanoparticle thin films was studied by electron magnetic resonance. The nanoparticles were synthesized by the homogeneous nucleation technique. Thin films were produced with the pulsed laser deposition method....
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MDPI AG
2022-12-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/27/23/8500 |
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| author | Bogumił Cieniek Ireneusz Stefaniuk Ihor Virt Roman V. Gamernyk Iwona Rogalska |
| author_facet | Bogumił Cieniek Ireneusz Stefaniuk Ihor Virt Roman V. Gamernyk Iwona Rogalska |
| author_sort | Bogumił Cieniek |
| collection | DOAJ |
| description | The material with a high Curie temperature of cobalt-doped zinc oxide embedded with silver-nanoparticle thin films was studied by electron magnetic resonance. The nanoparticles were synthesized by the homogeneous nucleation technique. Thin films were produced with the pulsed laser deposition method. The main aim of this work was to investigate the effect of Ag nanoparticles on the magnetic properties of the films. Simultaneously, the coexisting Ag<sup>0</sup> and Ag<sup>2+</sup> centers in zinc oxide structures are shown. A discussion of the signal seen in the low field was conducted. To analyze the temperature dependence of the line parameters, the theory described by Becker was used. The implementation of silver nanoparticles causes a significant shift of the line, and the ferromagnetic properties occur in a wide temperature range with an estimated Curie temperature above 500 K. |
| first_indexed | 2024-03-09T17:39:02Z |
| format | Article |
| id | doaj.art-c31ba542c60b43bebe8b6fd69946487e |
| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-03-09T17:39:02Z |
| publishDate | 2022-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj.art-c31ba542c60b43bebe8b6fd69946487e2023-11-24T11:43:15ZengMDPI AGMolecules1420-30492022-12-012723850010.3390/molecules27238500Zinc–Cobalt Oxide Thin Films: High Curie Temperature Studied by Electron Magnetic ResonanceBogumił Cieniek0Ireneusz Stefaniuk1Ihor Virt2Roman V. Gamernyk3Iwona Rogalska4Institute of Materials Engineering, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, PolandInstitute of Materials Engineering, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, PolandInstitute of Physics, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, PolandDepartment of Experimental Physics, Ivan Franko National University of Lviv, 79005 Lviv, UkraineInstitute of Materials Engineering, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, PolandThe material with a high Curie temperature of cobalt-doped zinc oxide embedded with silver-nanoparticle thin films was studied by electron magnetic resonance. The nanoparticles were synthesized by the homogeneous nucleation technique. Thin films were produced with the pulsed laser deposition method. The main aim of this work was to investigate the effect of Ag nanoparticles on the magnetic properties of the films. Simultaneously, the coexisting Ag<sup>0</sup> and Ag<sup>2+</sup> centers in zinc oxide structures are shown. A discussion of the signal seen in the low field was conducted. To analyze the temperature dependence of the line parameters, the theory described by Becker was used. The implementation of silver nanoparticles causes a significant shift of the line, and the ferromagnetic properties occur in a wide temperature range with an estimated Curie temperature above 500 K.https://www.mdpi.com/1420-3049/27/23/8500ferromagnetism at room temperatureelectron magnetic resonancelow-field microwave absorptionzinc oxidesilver nanoparticles |
| spellingShingle | Bogumił Cieniek Ireneusz Stefaniuk Ihor Virt Roman V. Gamernyk Iwona Rogalska Zinc–Cobalt Oxide Thin Films: High Curie Temperature Studied by Electron Magnetic Resonance Molecules ferromagnetism at room temperature electron magnetic resonance low-field microwave absorption zinc oxide silver nanoparticles |
| title | Zinc–Cobalt Oxide Thin Films: High Curie Temperature Studied by Electron Magnetic Resonance |
| title_full | Zinc–Cobalt Oxide Thin Films: High Curie Temperature Studied by Electron Magnetic Resonance |
| title_fullStr | Zinc–Cobalt Oxide Thin Films: High Curie Temperature Studied by Electron Magnetic Resonance |
| title_full_unstemmed | Zinc–Cobalt Oxide Thin Films: High Curie Temperature Studied by Electron Magnetic Resonance |
| title_short | Zinc–Cobalt Oxide Thin Films: High Curie Temperature Studied by Electron Magnetic Resonance |
| title_sort | zinc cobalt oxide thin films high curie temperature studied by electron magnetic resonance |
| topic | ferromagnetism at room temperature electron magnetic resonance low-field microwave absorption zinc oxide silver nanoparticles |
| url | https://www.mdpi.com/1420-3049/27/23/8500 |
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