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| Content Provider | IET Digital Library |
|---|---|
| Author | Zeng, Wen Yang, Qiqi Shao, Bin Guo, Donglin Li, Chunhong Ma, Yilong Yin, Xueguo Zhao, Sibo Li, Kejian |
| Abstract | The monodisperse Fe@SiO2 core-shell nanocapsules were synthesised via hydrothermal reaction followed with heat treatment. Nanostructures were characterised by X-ray diffraction, scanning electron microscopy and transmission electron microscopy. The magnetic properties of Fe@SiO2 nanocapsules were evaluated with magnetic property measurement system. The results show that Fe@SiO2 core-shell nanocapsules are highly monodispersed. The silica thickness of Fe@SiO2 nanocapsules increased from 10–20 to 25–35 nm with increasing tetraethyl orthosilicate (TEOS) amount. In the Fe@SiO2 nanocapsules prepared with 900 μl TEOS, as the reaction temperature increases, the mean particle size of Fe@SiO2 nanocapsules increases from 328 to 546 nm. It is remarkable that the saturation magnetisation of Fe@SiO2 nanocapsules decreases with increasing silica thickness. However, the coercivity of nanocapsules has less influence with the variation of silica thickness and particles’ length. |
| Starting Page | 976 |
| Ending Page | 979 |
| Page Count | 4 |
| Volume Number | 14 |
| e-ISSN | 17500443 |
| Issue Number | Issue 9, Aug (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/14/9 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2019.0063 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2019-08-14 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Amorphous And Nanostructured Magnetic Materials Barkhausen Coercive Force Coercivity Core-shell Nanostructures Deposition from Liquid Phase (melts And Solutions) Fe-SiO2 Fine-particle Magnetic System Heat And Thermomechanical Treatments Heat Treatment Hydrothermal Reaction Hysteresi Iron Liquid Phase Deposition Low-Dimensional Structure: Growth, Structure And Nonelectronic Property Magnetic Particle Magnetic Property Measurement System Magnetic Property of Nanostructure Magnetization Curves Mean Particle Size Monodisperse Core-shell Nanocapsules Nanofabrication Nanomagnetics Nanoparticle Nanostructure Nanotube And Nanostructured Material Particle Length Particle Size Reaction Temperature Saturation Magnetisation Scanning Electron Microscopy Silica Thickness Silicon Compound Size 10 Nm to 20 Nm Size 25.0 Nm to 35.0 Nm Structure of Solid Clusters TEOS Tetraethyl Orthosilicate Transmission Electron Microscopy X-Ray Diffraction |
| Content Type | Text |
| Resource Type | Article |
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