Half-metallic completely compensated ferrimagnets in Cr doped BaP
| Autor: | X.T. Wang, A. Sayade, H. Rozale, A. Bouabça, A. Lakdja, A. Amar |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Materials science
Condensed matter physics Demagnetizing field Alloy General Physics and Astronomy Cr doped 02 engineering and technology engineering.material 021001 nanoscience & nanotechnology 01 natural sciences Metal Lattice constant Ferrimagnetism Ab initio quantum chemistry methods visual_art 0103 physical sciences visual_art.visual_art_medium engineering 010306 general physics 0210 nano-technology |
| Zdroj: | Chinese Journal of Physics. 54:489-494 |
| ISSN: | 0577-9073 |
| DOI: | 10.1016/j.cjph.2016.06.010 |
| Popis: | On the basis of ab-initio calculations we have investigated the electronic and magnetic properties of Cr 1-x Ba x P alloy, our calculations suggest that as we dope BaP with Cr atoms and move towards Cr 1-x Ba x P where x=0, 0.125, 0.25, 0.50, and 0.75 all alloy are HM-FM. Interestingly Cr 0.25 Ba 0.75 P is a HM-AFM otherwise ‘fully compensated ferrimagnet’, this alloy should be of special interest for applications since it creates no external stray field and thus exhibit minimal energy losses. In addition, the robustness of half-metallicity with respect to the variation of lattice constants of Cr 1-x Ba x P is also discussed; moreover ferrimagnetism co-exists with the half-metallicity, resulting in the desired fully compensated half-metallic ferrimagnetism, for a wide range of lattice constants. Furthermore we found that this new HMFCF is stable according to its small formation energy. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect