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Abstract:

In this work we present a systematic study of the magnetic interactions within 3d transition-metal chains adsorbed on Cu2N and Cu2O monolayers grown on Cu(001). We are interested in the particular geometric adsorption configuration which gives rise, after relaxation, to the development of diatomic TM-X(X=N,O) chains. By using density functional theory (DFT), we calculate the energy difference between the ferromagnetic and antiferromagnetic intrachain configurations for Ti, V, Cr, Mn, Fe, and Co. Both substrates give rise, with minor differences, to the same magnetic trends, the only chains which are ferromagnetic after adsorption are Cr chains. By performing similar calculations in unsupported chains and introducing a tight-binding-model Hamiltonian based on physically reasonable assumptions we reproduce the magnetic trends obtained from the DFT calculations. © 2014 American Physical Society.

Registro:

Documento: Artículo
Título:Magnetic interactions in 3d metal chains on Cu2X/Cu(001) (X= N, O): Comparison with corresponding unsupported chains
Autor:Urdaniz, M.C.; Barral, M.A.; Llois, A.M.; Saúl, A.
Filiación:Departamento de Física, Comisión Nacional de Energía Atómica, Gral. Paz 1499, San-Martín, Buenos Aires, 1650, Argentina
Departamento de Física Juan José Giambiagi, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellón I, Buenos Aires, 1428, Argentina
CINaM, Université d'Aix Marseille-CNRS, Campus de Luminy, case 913, Marseille Cedex 9, 13288, France
Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, United States
MultiScale Material Science for Energy and Environment, UMI 3466 CNRS-MIT, 77 Massachusetts Avenue, Cambridge, MA 02139, United States
Año:2014
Volumen:90
Número:19
DOI: http://dx.doi.org/10.1103/PhysRevB.90.195423
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_v90_n19_p_Urdaniz

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Citas:

---------- APA ----------
Urdaniz, M.C., Barral, M.A., Llois, A.M. & Saúl, A. (2014) . Magnetic interactions in 3d metal chains on Cu2X/Cu(001) (X= N, O): Comparison with corresponding unsupported chains. Physical Review B - Condensed Matter and Materials Physics, 90(19).
http://dx.doi.org/10.1103/PhysRevB.90.195423
---------- CHICAGO ----------
Urdaniz, M.C., Barral, M.A., Llois, A.M., Saúl, A. "Magnetic interactions in 3d metal chains on Cu2X/Cu(001) (X= N, O): Comparison with corresponding unsupported chains" . Physical Review B - Condensed Matter and Materials Physics 90, no. 19 (2014).
http://dx.doi.org/10.1103/PhysRevB.90.195423
---------- MLA ----------
Urdaniz, M.C., Barral, M.A., Llois, A.M., Saúl, A. "Magnetic interactions in 3d metal chains on Cu2X/Cu(001) (X= N, O): Comparison with corresponding unsupported chains" . Physical Review B - Condensed Matter and Materials Physics, vol. 90, no. 19, 2014.
http://dx.doi.org/10.1103/PhysRevB.90.195423
---------- VANCOUVER ----------
Urdaniz, M.C., Barral, M.A., Llois, A.M., Saúl, A. Magnetic interactions in 3d metal chains on Cu2X/Cu(001) (X= N, O): Comparison with corresponding unsupported chains. Phys. Rev. B Condens. Matter Mater. Phys. 2014;90(19).
http://dx.doi.org/10.1103/PhysRevB.90.195423