| Autor: |
McLaren, M.J., Hage, F.S., Loving, M., Ramasse, Q.M., Lewis, L.H., Marrows, C.H., Brydson, R.M.D. |
| Jazyk: |
angličtina |
| Rok vydání: |
2014 |
| ISSN: |
1742-6588 |
| Popis: |
Iron-rhodium (FeRh) nanoislands of equiatomic composition have been analysed using scanning transmission electron microscopy (STEM) electron energy loss spec-troscopy(EELS) and high angle annular dark field (HAADF) techniques. Previous magne-tometry results have lead to a hypothesis that at room temperature the core of the islands are antiferromagnetic while the shell has a small ferromagnetic signal. The causes of this effect are most likely to be a difference in composition at the edges or a strain on the island that stretches the lattice and forces the ferromagnetic transition. The results find, at the film-substrate interface, an iron-rich layer ~ 5 Å thick that could play a key role in affecting the magnetostructural transition around the interfacial region and account for the room temperature ferromagnetism. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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