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| Content Provider | IET Digital Library |
|---|---|
| Author | Sirisathitkul, Chitnarong Charoensuk, Thanida |
| Abstract | Synchrotron X-ray absorption near-edge structure (XANES) spectra are used to complement X-ray diffractometry (XRD) in the phase identification of pressed manganese–bismuth (MnBi) pellets. The heat treatment at 1000°C for 10 min after the synthesis improves the ferromagnetic properties. The magnetisation and coercive field are further enhanced when the Mn:Bi ratio is raised to 2:1. The obtained magnetic properties are related to the MnBi peaks in XRD patterns as well as the Mn-edge XANES spectra. Although the spectra in the case of Mn:Bi ratio of 2:1 and 3:1 resemble that of MnO reference, the pre-edge is shifted by the contribution of zero valent Mn and the peak intensity is reduced. A variety of phases in MnBi alloys dictate their magnetic properties required for permanent magnets and desirable ferromagnetic properties are governed by the increase of MnBi phase at the expense of MnO. |
| Starting Page | 661 |
| Ending Page | 664 |
| Page Count | 4 |
| Volume Number | 14 |
| e-ISSN | 17500443 |
| Issue Number | Issue 6, May (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/14/6 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2018.5227 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2019-05-29 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Barkhausen Bismuth Alloys Coercive Field Coercive Force Ferromagnetic Material Ferromagnetic Property Ferromagnetism of Nonferrous Metals And Alloy Heat And Thermomechanical Treatments Heat Treatment High Coercivity Magnetic Material Hysteresi Magnetisation Magnetization Curves Manganese Alloy Manganese-bismuth Magnets Manganese-bismuth Pellets Material Preparation Mn-edge XANES Spectra MnBi MnBi Alloy Permanent Magnets Preparation of Metals And Alloy Synchrotron X-Ray Absorption Near-edge Structure Temperature 1000.0 DegC Time 10.0 Min X-Ray Absorption And Absorption Edge (condensed Matter) X-Ray Diffraction X-Ray Diffractometry XANES XRD XRD Pattern |
| Content Type | Text |
| Resource Type | Article |
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