Artículo
Helman, C.; Ferrari, V.; Llois, A.M. "Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs" (2015) Physical Review B - Condensed Matter and Materials Physics. 92(7)
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Abstract:
The extreme case of an Fe monolayer deposited onto a manganese arsenide (MnAs) substrate is analyzed using density functional theory. We find that an FeAs quasi-two-dimensional antiferromagnetic surface nanostructure emerges. This nanostructure, which is magnetically nearly decoupled from the substrate, is due to bonding effects arising from the arsenic atoms bridging the Fe magnetic interactions. These interactions are studied and modeled using a Heisenberg-type Hamiltonian. They display an angular dependence which is characteristic of superexchange-like interactions, which are of the same order of magnitude as those appearing in Fe-based pnictides. © 2015 American Physical Society.
Registro:
| Documento: | Artículo |
| Título: | Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs |
| Autor: | Helman, C.; Ferrari, V.; Llois, A.M. |
| Filiación: | Gerencia de Tecnologías de la Información y Las Comunicaciones, Centro Atómico Constituyentes, San Martín, 1650, Argentina Instituto Sabato, Universidad Nacional de San Martín, San Martín, 1650, Argentina Gerencia de Investigación y Aplicaciones, Centro Atómico Constituyentes, San Martín, 1650, Argentina Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, C1033AAJ, Argentina Departamento de Física Juan José Giambiagi, FCEN, Universidad de Buenos Aires, Buenos Aires, 1428, Argentina |
| Año: | 2015 |
| Volumen: | 92 |
| Número: | 7 |
| DOI: | http://dx.doi.org/10.1103/PhysRevB.92.075416 |
| Título revista: | Physical Review B - Condensed Matter and Materials Physics |
| Título revista abreviado: | Phys. Rev. B Condens. Matter Mater. Phys. |
| ISSN: | 10980121 |
| CODEN: | PRBMD |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10980121_v92_n7_p_Helman |
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Citas:
---------- APA ----------
Helman, C., Ferrari, V. & Llois, A.M. (2015) . Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs. Physical Review B - Condensed Matter and Materials Physics, 92(7).http://dx.doi.org/10.1103/PhysRevB.92.075416
---------- CHICAGO ----------
Helman, C., Ferrari, V., Llois, A.M. "Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs" . Physical Review B - Condensed Matter and Materials Physics 92, no. 7 (2015).http://dx.doi.org/10.1103/PhysRevB.92.075416
---------- MLA ----------
Helman, C., Ferrari, V., Llois, A.M. "Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs" . Physical Review B - Condensed Matter and Materials Physics, vol. 92, no. 7, 2015.http://dx.doi.org/10.1103/PhysRevB.92.075416
---------- VANCOUVER ----------
Helman, C., Ferrari, V., Llois, A.M. Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs. Phys. Rev. B Condens. Matter Mater. Phys. 2015;92(7).http://dx.doi.org/10.1103/PhysRevB.92.075416
