Cargando…
Identification of the interstitial Mn site in ferromagnetic (Ga,Mn)As
We determined the lattice location of Mn in ferromagnetic (Ga,Mn)As using the electron emission channeling technique. We show that interstitial Mn occupies the tetrahedral site with As nearest neighbors (TAs) both before and after thermal annealing at 200 °C, whereas the occupancy of the tetrahedral...
| Autores principales: | , , , , , , , , , , , , , , , |
|---|---|
| Lenguaje: | eng |
| Publicado: |
2015
|
| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1063/1.4905556 http://cds.cern.ch/record/2242886 |
| _version_ | 1780953282865266688 |
|---|---|
| author | De Lemos Lima, Tiago Abel Wahl, Ulrich Augustyns, Valerie Silva, Daniel Granadeiro Costa, Angelo Rafael Houben, K Edmonds, Kevin W Gallagher, BL Campion, RP Van Bael, MJ Castro Ribeiro Da Silva, Manuel Martins Correia, Joao Esteves De Araujo, Araujo Joao Pedro Temst, Kristiaan Vantomme, André Da Costa Pereira, Lino Miguel |
| author_facet | De Lemos Lima, Tiago Abel Wahl, Ulrich Augustyns, Valerie Silva, Daniel Granadeiro Costa, Angelo Rafael Houben, K Edmonds, Kevin W Gallagher, BL Campion, RP Van Bael, MJ Castro Ribeiro Da Silva, Manuel Martins Correia, Joao Esteves De Araujo, Araujo Joao Pedro Temst, Kristiaan Vantomme, André Da Costa Pereira, Lino Miguel |
| author_sort | De Lemos Lima, Tiago Abel |
| collection | CERN |
| description | We determined the lattice location of Mn in ferromagnetic (Ga,Mn)As using the electron emission channeling technique. We show that interstitial Mn occupies the tetrahedral site with As nearest neighbors (TAs) both before and after thermal annealing at 200 °C, whereas the occupancy of the tetrahedral site with Ga nearest neighbors (TGa) is negligible. TAs is therefore the energetically favorable site for interstitial Mn in isolated form as well as when forming complexes with substitutional Mn. These results shed new light on the long standing controversy regarding TAs versus TGa occupancy of interstitial Mn in (Ga,Mn)As. |
| id | cern-2242886 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2015 |
| record_format | invenio |
| spelling | cern-22428862019-09-30T06:29:59Zdoi:10.1063/1.4905556http://cds.cern.ch/record/2242886engDe Lemos Lima, Tiago AbelWahl, UlrichAugustyns, ValerieSilva, DanielGranadeiro Costa, Angelo RafaelHouben, KEdmonds, Kevin WGallagher, BLCampion, RPVan Bael, MJCastro Ribeiro Da Silva, ManuelMartins Correia, JoaoEsteves De Araujo, Araujo Joao PedroTemst, KristiaanVantomme, AndréDa Costa Pereira, Lino MiguelIdentification of the interstitial Mn site in ferromagnetic (Ga,Mn)AsCondensed MatterWe determined the lattice location of Mn in ferromagnetic (Ga,Mn)As using the electron emission channeling technique. We show that interstitial Mn occupies the tetrahedral site with As nearest neighbors (TAs) both before and after thermal annealing at 200 °C, whereas the occupancy of the tetrahedral site with Ga nearest neighbors (TGa) is negligible. TAs is therefore the energetically favorable site for interstitial Mn in isolated form as well as when forming complexes with substitutional Mn. These results shed new light on the long standing controversy regarding TAs versus TGa occupancy of interstitial Mn in (Ga,Mn)As.CERN-OPEN-2017-006oai:cds.cern.ch:22428862015-01-06 |
| spellingShingle | Condensed Matter De Lemos Lima, Tiago Abel Wahl, Ulrich Augustyns, Valerie Silva, Daniel Granadeiro Costa, Angelo Rafael Houben, K Edmonds, Kevin W Gallagher, BL Campion, RP Van Bael, MJ Castro Ribeiro Da Silva, Manuel Martins Correia, Joao Esteves De Araujo, Araujo Joao Pedro Temst, Kristiaan Vantomme, André Da Costa Pereira, Lino Miguel Identification of the interstitial Mn site in ferromagnetic (Ga,Mn)As |
| title | Identification of the interstitial Mn site in ferromagnetic (Ga,Mn)As |
| title_full | Identification of the interstitial Mn site in ferromagnetic (Ga,Mn)As |
| title_fullStr | Identification of the interstitial Mn site in ferromagnetic (Ga,Mn)As |
| title_full_unstemmed | Identification of the interstitial Mn site in ferromagnetic (Ga,Mn)As |
| title_short | Identification of the interstitial Mn site in ferromagnetic (Ga,Mn)As |
| title_sort | identification of the interstitial mn site in ferromagnetic (ga,mn)as |
| topic | Condensed Matter |
| url | https://dx.doi.org/10.1063/1.4905556 http://cds.cern.ch/record/2242886 |
| work_keys_str_mv | AT delemoslimatiagoabel identificationoftheinterstitialmnsiteinferromagneticgamnas AT wahlulrich identificationoftheinterstitialmnsiteinferromagneticgamnas AT augustynsvalerie identificationoftheinterstitialmnsiteinferromagneticgamnas AT silvadaniel identificationoftheinterstitialmnsiteinferromagneticgamnas AT granadeirocostaangelorafael identificationoftheinterstitialmnsiteinferromagneticgamnas AT houbenk identificationoftheinterstitialmnsiteinferromagneticgamnas AT edmondskevinw identificationoftheinterstitialmnsiteinferromagneticgamnas AT gallagherbl identificationoftheinterstitialmnsiteinferromagneticgamnas AT campionrp identificationoftheinterstitialmnsiteinferromagneticgamnas AT vanbaelmj identificationoftheinterstitialmnsiteinferromagneticgamnas AT castroribeirodasilvamanuel identificationoftheinterstitialmnsiteinferromagneticgamnas AT martinscorreiajoao identificationoftheinterstitialmnsiteinferromagneticgamnas AT estevesdearaujoaraujojoaopedro identificationoftheinterstitialmnsiteinferromagneticgamnas AT temstkristiaan identificationoftheinterstitialmnsiteinferromagneticgamnas AT vantommeandre identificationoftheinterstitialmnsiteinferromagneticgamnas AT dacostapereiralinomiguel identificationoftheinterstitialmnsiteinferromagneticgamnas |