Effect of grain size on microstructural and magnetic properties of holmium substituted yttrium iron garnets (Y1.5Ho1.5Fe5O12))
Grain size changes on microstructural and magnetic properties of holmium substituted yttrium iron garnet with x = 1.5, (Y3-xHoxFe5O12) has been discovered in this research work. The influence of grain size via sintering temperature on a sample’s properties in Holmium substituted in YIG (Ho-YIG) samp...
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| Format: | Article |
| Language: | English |
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Elsevier
2019
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| Online Access: | http://psasir.upm.edu.my/id/eprint/79515/ http://psasir.upm.edu.my/id/eprint/79515/1/Effect%20of%20grain%20size%20on%20microstructural%20and%20magnetic%20properties%20of%20holmium%20substituted%20yttrium%20iron%20garnets%20%28Y1.5Ho1.5Fe5O12%29.pdf |
| _version_ | 1848858698657562624 |
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| author | Abdullah, Nor Hapishah Hamidon, Mohd Nizar Mustaffa, Muhammad Syazwan Shafiee, Farah Nabilah |
| author_facet | Abdullah, Nor Hapishah Hamidon, Mohd Nizar Mustaffa, Muhammad Syazwan Shafiee, Farah Nabilah |
| author_sort | Abdullah, Nor Hapishah |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | Grain size changes on microstructural and magnetic properties of holmium substituted yttrium iron garnet with x = 1.5, (Y3-xHoxFe5O12) has been discovered in this research work. The influence of grain size via sintering temperature on a sample’s properties in Holmium substituted in YIG (Ho-YIG) samples has been scrutinized experimentally. In this study, Ho-YIG was mechanically alloyed for 2 h with a mixture of yttrium oxide (Y2O3), holmium oxide (Ho2O3) and iron oxide (Fe2O3). Then, the samples were sintered at distinct temperatures at 1000 to 1400 °C with 100 °C increment. The morphology, physical and magnetic properties has been studied in order to comprehend the resulting materials. Single phase cubic garnet structure has been observed without any other crystallographic phase confirmed through XRD spectra. Single phase of Ho-YIG was formed at 1100 °C. FESEM micrographs showed smaller grain size compared to pure YIG reported in literature as the consequences of holmium substitution. The effects of Holmium substitution in permeability values and B–H hysteresis loops were clearly seen since the dominant magnetization process (spin rotation and movement of ease domain walls) has been interrupted by the presence of rare earth element has decreased the permeability and saturation magnetization values. Substitution of Holmium makes YIG as better soft magnetic material which may be used in electronic devices for the microwave region. |
| first_indexed | 2025-11-15T12:17:35Z |
| format | Article |
| id | upm-79515 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T12:17:35Z |
| publishDate | 2019 |
| publisher | Elsevier |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-795152021-05-29T09:43:06Z http://psasir.upm.edu.my/id/eprint/79515/ Effect of grain size on microstructural and magnetic properties of holmium substituted yttrium iron garnets (Y1.5Ho1.5Fe5O12)) Abdullah, Nor Hapishah Hamidon, Mohd Nizar Mustaffa, Muhammad Syazwan Shafiee, Farah Nabilah Grain size changes on microstructural and magnetic properties of holmium substituted yttrium iron garnet with x = 1.5, (Y3-xHoxFe5O12) has been discovered in this research work. The influence of grain size via sintering temperature on a sample’s properties in Holmium substituted in YIG (Ho-YIG) samples has been scrutinized experimentally. In this study, Ho-YIG was mechanically alloyed for 2 h with a mixture of yttrium oxide (Y2O3), holmium oxide (Ho2O3) and iron oxide (Fe2O3). Then, the samples were sintered at distinct temperatures at 1000 to 1400 °C with 100 °C increment. The morphology, physical and magnetic properties has been studied in order to comprehend the resulting materials. Single phase cubic garnet structure has been observed without any other crystallographic phase confirmed through XRD spectra. Single phase of Ho-YIG was formed at 1100 °C. FESEM micrographs showed smaller grain size compared to pure YIG reported in literature as the consequences of holmium substitution. The effects of Holmium substitution in permeability values and B–H hysteresis loops were clearly seen since the dominant magnetization process (spin rotation and movement of ease domain walls) has been interrupted by the presence of rare earth element has decreased the permeability and saturation magnetization values. Substitution of Holmium makes YIG as better soft magnetic material which may be used in electronic devices for the microwave region. Elsevier 2019-09 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/79515/1/Effect%20of%20grain%20size%20on%20microstructural%20and%20magnetic%20properties%20of%20holmium%20substituted%20yttrium%20iron%20garnets%20%28Y1.5Ho1.5Fe5O12%29.pdf Abdullah, Nor Hapishah and Hamidon, Mohd Nizar and Mustaffa, Muhammad Syazwan and Shafiee, Farah Nabilah (2019) Effect of grain size on microstructural and magnetic properties of holmium substituted yttrium iron garnets (Y1.5Ho1.5Fe5O12)). Results in Physics, 14. pp. 1-9. ISSN 2211-3797 https://www.sciencedirect.com/science/article/pii/S2211379718309124 10.1016/j.rinp.2019.102391 |
| spellingShingle | Abdullah, Nor Hapishah Hamidon, Mohd Nizar Mustaffa, Muhammad Syazwan Shafiee, Farah Nabilah Effect of grain size on microstructural and magnetic properties of holmium substituted yttrium iron garnets (Y1.5Ho1.5Fe5O12)) |
| title | Effect of grain size on microstructural and magnetic properties of holmium substituted yttrium iron garnets (Y1.5Ho1.5Fe5O12)) |
| title_full | Effect of grain size on microstructural and magnetic properties of holmium substituted yttrium iron garnets (Y1.5Ho1.5Fe5O12)) |
| title_fullStr | Effect of grain size on microstructural and magnetic properties of holmium substituted yttrium iron garnets (Y1.5Ho1.5Fe5O12)) |
| title_full_unstemmed | Effect of grain size on microstructural and magnetic properties of holmium substituted yttrium iron garnets (Y1.5Ho1.5Fe5O12)) |
| title_short | Effect of grain size on microstructural and magnetic properties of holmium substituted yttrium iron garnets (Y1.5Ho1.5Fe5O12)) |
| title_sort | effect of grain size on microstructural and magnetic properties of holmium substituted yttrium iron garnets (y1.5ho1.5fe5o12)) |
| url | http://psasir.upm.edu.my/id/eprint/79515/ http://psasir.upm.edu.my/id/eprint/79515/ http://psasir.upm.edu.my/id/eprint/79515/ http://psasir.upm.edu.my/id/eprint/79515/1/Effect%20of%20grain%20size%20on%20microstructural%20and%20magnetic%20properties%20of%20holmium%20substituted%20yttrium%20iron%20garnets%20%28Y1.5Ho1.5Fe5O12%29.pdf |