The role of silicon on the microstructure and magnetic behaviour of nanostructured (Fe0.7Co0.3)100_xSix powders
| dc.contributor.author | Hocine, M. | |
| dc.contributor.author | Guittoum, A. | |
| dc.contributor.author | Hemmous, M. | |
| dc.contributor.author | Martínez-Blanco, D. | |
| dc.contributor.author | Gorria, P. | |
| dc.contributor.author | Rahal, B. | |
| dc.contributor.author | Blanco, J.A. | |
| dc.contributor.author | Sunol, J.J. | |
| dc.contributor.author | Laggoun, A. | |
| dc.date.accessioned | 2018-10-14T08:50:41Z | |
| dc.date.available | 2018-10-14T08:50:41Z | |
| dc.date.issued | 2017 | |
| dc.description.abstract | Single-phase(Fe0.7Co0.3)100 xSix nanostructured powders(x¼0,5, 10,15and20)havebeenelaboratedby mechanical alloyinginordertoinvestigatetheeffectofsilicononthemicrostructureandmagnetic properties ofthesealloys.AdisorderedFe(Co,Si)solidsolutionwithbodycentredcubic(bcc)crystal structure isformedafter72hofmillingforallthecompositions.TheadditionofSigivesrisetoapro- gressivedecreaseofthelatticeparameter,fromabout2.865ÅforthebinaryFe70Co30 compound downto 2.841Åforthepowderwith x¼20. ThesamplewiththeuppermostSicontentexhibitsthelowestvalue for themeangrainsize(E10nm)aswellasthelargestmicrostrain(above1.1%).Allthesamplesare ferromagnetic atroomtemperature,althoughthesaturationmagnetizationvaluereducesalmostlinearly by addingSitothecomposition.Asimilartrendisobservedforthehyperfine magnetic field obtained from theanalysisoftheroomtemperatureMössbauerspectra.Thehyperfine field distributionsshowa broad double-peakshapefor x40, whichcanbeascribedtomultiplelocalenvironmentsfortheFe atoms insideadisorderedsolidsolution | en_US |
| dc.identifier.issn | 0304-8853 | |
| dc.identifier.uri | https://dspace.univ-boumerdes.dz/handle/123456789/5228 | |
| dc.language.iso | en | en_US |
| dc.publisher | Elsevier | en_US |
| dc.relation.ispartofseries | Journal of Magnetism and Magnetic Materials;PP.149-156 | |
| dc.subject | FeCoSi compound | en_US |
| dc.subject | Nanostructuredpowders | en_US |
| dc.subject | Mechanical alloying | en_US |
| dc.subject | Magnetic properties | en_US |
| dc.title | The role of silicon on the microstructure and magnetic behaviour of nanostructured (Fe0.7Co0.3)100_xSix powders | en_US |
| dc.type | Article | en_US |