Chemical order and magnetic anisotropy in alternate Fe/Co monolayers on Cu3Au(001)
In this work, we have investigated the magnetic anisotropy of Fe/Co layers epitaxially grown on Cu3Au(001). The ordered Fe/Co thin films were prepared by deposition of alternated monolayers of Fe and Co. The stoichiometry, structure, morphology and magnetic properties of the films were characterized...
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
AIP Publishing LLC
2018-11-01
|
| Series: | AIP Advances |
| Online Access: | http://dx.doi.org/10.1063/1.5045687 |
| _version_ | 1811287890969231360 |
|---|---|
| author | A. S. Ponce S. O. Parreiras A. A. C. Cotta G. F. M. Gomes P. Schio J. C. Cezar R. Paniago P. L. Gastelois W. A. A. Macedo |
| author_facet | A. S. Ponce S. O. Parreiras A. A. C. Cotta G. F. M. Gomes P. Schio J. C. Cezar R. Paniago P. L. Gastelois W. A. A. Macedo |
| author_sort | A. S. Ponce |
| collection | DOAJ |
| description | In this work, we have investigated the magnetic anisotropy of Fe/Co layers epitaxially grown on Cu3Au(001). The ordered Fe/Co thin films were prepared by deposition of alternated monolayers of Fe and Co. The stoichiometry, structure, morphology and magnetic properties of the films were characterized in-situ using XPS, LEED, RHEED, STM and MOKE techniques respectively. Measuring the film properties after the deposition of each monoatomic layer, we have shown that the chemical order and the surface layer also play an important role in establishing the film magnetic anisotropy. Our results show that the effective magnetic anisotropy can be tuned from in-plane to out-of-plane depending on which material (Fe or Co) the alternated film is terminated. These results were compared to codeposited films that presented in-plane magnetic anisotropy for all film thicknesses. In addition, the spin and orbital magnetic moments of Fe and Co atoms in a 6 ML film were extracted applying XMCD sum rules. |
| first_indexed | 2024-04-13T03:26:26Z |
| format | Article |
| id | doaj.art-9f4a8a280b314da8bc08b4a60a03bbc3 |
| institution | Directory Open Access Journal |
| issn | 2158-3226 |
| language | English |
| last_indexed | 2024-04-13T03:26:26Z |
| publishDate | 2018-11-01 |
| publisher | AIP Publishing LLC |
| record_format | Article |
| series | AIP Advances |
| spelling | doaj.art-9f4a8a280b314da8bc08b4a60a03bbc32022-12-22T03:04:38ZengAIP Publishing LLCAIP Advances2158-32262018-11-01811115307115307-910.1063/1.5045687032811ADVChemical order and magnetic anisotropy in alternate Fe/Co monolayers on Cu3Au(001)A. S. Ponce0S. O. Parreiras1A. A. C. Cotta2G. F. M. Gomes3P. Schio4J. C. Cezar5R. Paniago6P. L. Gastelois7W. A. A. Macedo8Centro de Desenvolvimento da Tecnologia Nuclear, CDTN, 31270-901 Belo Horizonte, MG, BrazilCentro de Desenvolvimento da Tecnologia Nuclear, CDTN, 31270-901 Belo Horizonte, MG, BrazilUniversidade Federal de Lavras, UFLA, 37200-000 Lavras, MG, BrazilUniversidade Federal de Minas Gerais, UFMG, 30123-970 Belo Horizonte, MG, BrazilLaboratório Nacional de Luz Síncrotron (LNLS), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), 13083-970 Campinas, SP, BrazilLaboratório Nacional de Luz Síncrotron (LNLS), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), 13083-970 Campinas, SP, BrazilUniversidade Federal de Minas Gerais, UFMG, 30123-970 Belo Horizonte, MG, BrazilCentro de Desenvolvimento da Tecnologia Nuclear, CDTN, 31270-901 Belo Horizonte, MG, BrazilCentro de Desenvolvimento da Tecnologia Nuclear, CDTN, 31270-901 Belo Horizonte, MG, BrazilIn this work, we have investigated the magnetic anisotropy of Fe/Co layers epitaxially grown on Cu3Au(001). The ordered Fe/Co thin films were prepared by deposition of alternated monolayers of Fe and Co. The stoichiometry, structure, morphology and magnetic properties of the films were characterized in-situ using XPS, LEED, RHEED, STM and MOKE techniques respectively. Measuring the film properties after the deposition of each monoatomic layer, we have shown that the chemical order and the surface layer also play an important role in establishing the film magnetic anisotropy. Our results show that the effective magnetic anisotropy can be tuned from in-plane to out-of-plane depending on which material (Fe or Co) the alternated film is terminated. These results were compared to codeposited films that presented in-plane magnetic anisotropy for all film thicknesses. In addition, the spin and orbital magnetic moments of Fe and Co atoms in a 6 ML film were extracted applying XMCD sum rules.http://dx.doi.org/10.1063/1.5045687 |
| spellingShingle | A. S. Ponce S. O. Parreiras A. A. C. Cotta G. F. M. Gomes P. Schio J. C. Cezar R. Paniago P. L. Gastelois W. A. A. Macedo Chemical order and magnetic anisotropy in alternate Fe/Co monolayers on Cu3Au(001) AIP Advances |
| title | Chemical order and magnetic anisotropy in alternate Fe/Co monolayers on Cu3Au(001) |
| title_full | Chemical order and magnetic anisotropy in alternate Fe/Co monolayers on Cu3Au(001) |
| title_fullStr | Chemical order and magnetic anisotropy in alternate Fe/Co monolayers on Cu3Au(001) |
| title_full_unstemmed | Chemical order and magnetic anisotropy in alternate Fe/Co monolayers on Cu3Au(001) |
| title_short | Chemical order and magnetic anisotropy in alternate Fe/Co monolayers on Cu3Au(001) |
| title_sort | chemical order and magnetic anisotropy in alternate fe co monolayers on cu3au 001 |
| url | http://dx.doi.org/10.1063/1.5045687 |
| work_keys_str_mv | AT asponce chemicalorderandmagneticanisotropyinalternatefecomonolayersoncu3au001 AT soparreiras chemicalorderandmagneticanisotropyinalternatefecomonolayersoncu3au001 AT aaccotta chemicalorderandmagneticanisotropyinalternatefecomonolayersoncu3au001 AT gfmgomes chemicalorderandmagneticanisotropyinalternatefecomonolayersoncu3au001 AT pschio chemicalorderandmagneticanisotropyinalternatefecomonolayersoncu3au001 AT jccezar chemicalorderandmagneticanisotropyinalternatefecomonolayersoncu3au001 AT rpaniago chemicalorderandmagneticanisotropyinalternatefecomonolayersoncu3au001 AT plgastelois chemicalorderandmagneticanisotropyinalternatefecomonolayersoncu3au001 AT waamacedo chemicalorderandmagneticanisotropyinalternatefecomonolayersoncu3au001 |