Abstract
We are reporting an approach to prepare bulk foils of α″-Fe16N2 that can be directly obtained from a melt spinning process. The diffraction peaks from α″-Fe16N2 phase were found in X-ray diffraction spectrum of the foil, for which a nitrogen composition of 8.7at% was found by Auger electron spectroscopy. The microstructure of this melt spun foil was analyzed. We found 600 nm subgrains inside 8 μm grains for this foil. The coercivity of the α″-Fe16N2 foil was found as 222 Oe with a saturation magnetization of 223 emu/g. We analyzed the coercivity based on the microstructure and proposed a model to explain how to further improve it in melt spun FeN foils.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 2373-2378 |
| Number of pages | 6 |
| Journal | MRS Advances |
| Volume | 1 |
| Issue number | 34 |
| DOIs | |
| State | Published - 2016 |
Bibliographical note
Publisher Copyright:© Copyright Materials Research Society 2016.
Keywords
- ferromagnetic
- magnetic properties
- nanostructure
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