Influence of SiO<sub>2</sub> Embedding on the Structure, Morphology, Thermal, and Magnetic Properties of Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> Particles
(Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub>)<sub>α</sub>(SiO<sub>2</sub>)<sub>(100−α)</sub> samples obtained by embedding Co<sub>0.4</sub>Zn<sub>0.4</...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2023-01-01
|
| Series: | Nanomaterials |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2079-4991/13/3/527 |
| _version_ | 1797623605229518848 |
|---|---|
| author | Thomas Dippong Erika Andrea Levei Iosif Grigore Deac Mihaela Diana Lazar Oana Cadar |
| author_facet | Thomas Dippong Erika Andrea Levei Iosif Grigore Deac Mihaela Diana Lazar Oana Cadar |
| author_sort | Thomas Dippong |
| collection | DOAJ |
| description | (Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub>)<sub>α</sub>(SiO<sub>2</sub>)<sub>(100−α)</sub> samples obtained by embedding Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> nanoparticles in SiO<sub>2</sub> in various proportions were synthesized by sol-gel process and characterized using thermal analysis, Fourier-transform infrared spectroscopy, X-ray diffraction, transmission electron microscopy, inductively coupled plasma optical emission spectrometry, and magnetic measurements. Poorly crystalline Co–Zn–Ni ferrite at low annealing temperatures (500 °C) and highly crystalline Co–Zn–Ni ferrite together with traces of crystalline Fe<sub>2</sub>SiO<sub>4</sub> (800 °C) and SiO<sub>2</sub> (tridymite and cristobalite) (1200 °C) were obtained. At 1200 °C, large spherical particles with size increasing with the ferrite content (36–120 nm) were obtained. Specific surface area increased with the SiO<sub>2</sub> content and decreased with the annealing temperature above 500 °C. Magnetic properties were enhanced with the increase in ferrite content and annealing temperature. |
| first_indexed | 2024-03-11T09:31:16Z |
| format | Article |
| id | doaj.art-509ad53666e64d49a73e8af6e382c332 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-11T09:31:16Z |
| publishDate | 2023-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-509ad53666e64d49a73e8af6e382c3322023-11-16T17:36:02ZengMDPI AGNanomaterials2079-49912023-01-0113352710.3390/nano13030527Influence of SiO<sub>2</sub> Embedding on the Structure, Morphology, Thermal, and Magnetic Properties of Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> ParticlesThomas Dippong0Erika Andrea Levei1Iosif Grigore Deac2Mihaela Diana Lazar3Oana Cadar4Faculty of Science, Technical University of Cluj-Napoca, 76 Victoriei Street, 430122 Baia Mare, RomaniaINCDO-INOE 2000, Research Institute for Analytical Instrumentation, 67 Donath Street, 400293 Cluj-Napoca, RomaniaFaculty of Physics, Babes-Bolyai University, 1 Kogalniceanu Street, 400084 Cluj-Napoca, RomaniaNational Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath Street, 400293 Cluj-Napoca, RomaniaINCDO-INOE 2000, Research Institute for Analytical Instrumentation, 67 Donath Street, 400293 Cluj-Napoca, Romania(Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub>)<sub>α</sub>(SiO<sub>2</sub>)<sub>(100−α)</sub> samples obtained by embedding Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> nanoparticles in SiO<sub>2</sub> in various proportions were synthesized by sol-gel process and characterized using thermal analysis, Fourier-transform infrared spectroscopy, X-ray diffraction, transmission electron microscopy, inductively coupled plasma optical emission spectrometry, and magnetic measurements. Poorly crystalline Co–Zn–Ni ferrite at low annealing temperatures (500 °C) and highly crystalline Co–Zn–Ni ferrite together with traces of crystalline Fe<sub>2</sub>SiO<sub>4</sub> (800 °C) and SiO<sub>2</sub> (tridymite and cristobalite) (1200 °C) were obtained. At 1200 °C, large spherical particles with size increasing with the ferrite content (36–120 nm) were obtained. Specific surface area increased with the SiO<sub>2</sub> content and decreased with the annealing temperature above 500 °C. Magnetic properties were enhanced with the increase in ferrite content and annealing temperature.https://www.mdpi.com/2079-4991/13/3/527Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub>silica matrixcrystalline phaseannealing temperaturemagnetic behavior |
| spellingShingle | Thomas Dippong Erika Andrea Levei Iosif Grigore Deac Mihaela Diana Lazar Oana Cadar Influence of SiO<sub>2</sub> Embedding on the Structure, Morphology, Thermal, and Magnetic Properties of Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> Particles Nanomaterials Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> silica matrix crystalline phase annealing temperature magnetic behavior |
| title | Influence of SiO<sub>2</sub> Embedding on the Structure, Morphology, Thermal, and Magnetic Properties of Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> Particles |
| title_full | Influence of SiO<sub>2</sub> Embedding on the Structure, Morphology, Thermal, and Magnetic Properties of Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> Particles |
| title_fullStr | Influence of SiO<sub>2</sub> Embedding on the Structure, Morphology, Thermal, and Magnetic Properties of Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> Particles |
| title_full_unstemmed | Influence of SiO<sub>2</sub> Embedding on the Structure, Morphology, Thermal, and Magnetic Properties of Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> Particles |
| title_short | Influence of SiO<sub>2</sub> Embedding on the Structure, Morphology, Thermal, and Magnetic Properties of Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> Particles |
| title_sort | influence of sio sub 2 sub embedding on the structure morphology thermal and magnetic properties of co sub 0 4 sub zn sub 0 4 sub ni sub 0 2 sub fe sub 2 sub o sub 4 sub particles |
| topic | Co<sub>0.4</sub>Zn<sub>0.4</sub>Ni<sub>0.2</sub>Fe<sub>2</sub>O<sub>4</sub> silica matrix crystalline phase annealing temperature magnetic behavior |
| url | https://www.mdpi.com/2079-4991/13/3/527 |
| work_keys_str_mv | AT thomasdippong influenceofsiosub2subembeddingonthestructuremorphologythermalandmagneticpropertiesofcosub04subznsub04subnisub02subfesub2subosub4subparticles AT erikaandrealevei influenceofsiosub2subembeddingonthestructuremorphologythermalandmagneticpropertiesofcosub04subznsub04subnisub02subfesub2subosub4subparticles AT iosifgrigoredeac influenceofsiosub2subembeddingonthestructuremorphologythermalandmagneticpropertiesofcosub04subznsub04subnisub02subfesub2subosub4subparticles AT mihaeladianalazar influenceofsiosub2subembeddingonthestructuremorphologythermalandmagneticpropertiesofcosub04subznsub04subnisub02subfesub2subosub4subparticles AT oanacadar influenceofsiosub2subembeddingonthestructuremorphologythermalandmagneticpropertiesofcosub04subznsub04subnisub02subfesub2subosub4subparticles |