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Título: | Paramagnetic Nd sublattice and thickness-dependent ferromagnetism in Nd2NiMnO6 double perovskite thin films |
Autor: | Spring, Jonathan; Luca, Gabriele de CSIC ORCID; Jöhr, Simon; Herrero Martín, Javier CSIC ORCID; Guillemard, Charles; Piamonteze, Cinthia; Rosário, Carlos M.M.; Hilgenkamp, Hans; Gibert, Marta CSIC ORCID | Palabras clave: | Ferromagnetism Magnetic order Magnetism |
Fecha de publicación: | 24-oct-2023 | Editor: | American Physical Society | Citación: | Physical Review Materials 7(10): 104407 (2023) | Resumen: | We investigate ferromagnetic and insulating thin films of the B-site ordered double perovskite Nd2NiMnO6 (NNMO) grown by radio frequency off-axis magnetron sputtering. The films grow epitaxially strained on a selection of substrates and display a strain-independent and bulklike TC of 200K at a thickness of 30 unit cells. We explore the thickness dependence of the NNMO/SrTiO3(001) system and find ferromagnetism down to ultralow thicknesses of only 3 unit cells (∼1.2nm). Below 10 unit cells, the magnetic properties deteriorate due to an interfacial charge transfer caused by the polar discontinuity at the NNMO/SrTiO3 interface. A detailed x-ray magnetic circular dichroism study allows us to separate the magnetic components into a robust ferromagnetic Ni/Mn sublattice and a paramagnetic Nd sublattice. | Versión del editor: | http://doi.org/10.1103/PhysRevMaterials.7.104407 | URI: | http://hdl.handle.net/10261/341676 | DOI: | 10.1103/PhysRevMaterials.7.104407 | ISSN: | 2475-9953 |
Aparece en las colecciones: | (ICMAB) Artículos |
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Spring_PhysRevMat_2023_editorial.pdf | 1,67 MB | Adobe PDF | Visualizar/Abrir |
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