Abstract
Ab-initio electronic-structure calculations have been performed to investigate the adsorption structures, the energetics, and the electronic structures of a Pt monolayer (ML) deposited on a MgO(001) surface. Our calculations for a 1-ML Pt/MgO(001) structure show that the Pt atoms highly prefer to bind on the oxygen sites of the MgO(001) surfaces. Also examined were the electronic properties of 1-ML Pt/MgO(001). Interestingly, the oxide-supported ultrathin 1-ML Pt film was predicted to be ferromagnetic with a magnetic moment of 0.89 Bohr magnetons. In addition, the origin of the unusual magnetism in 1-ML Pt/MgO(001) was discussed in comparison with calculations for a freestanding Pt monolayer.
| Original language | English |
|---|---|
| Pages (from-to) | 791-795 |
| Number of pages | 5 |
| Journal | Journal of the Korean Physical Society |
| Volume | 56 |
| Issue number | 3 |
| DOIs | |
| State | Published - 15 Mar 2010 |
Keywords
- Adsorption structures
- Ferromagnetism
- MgO(001) surfaces
- Pt monolayer
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