Growth and properties of hybrid Au–Co<sub>0.8</sub>Ni<sub>0.2</sub> nanowires embedded in SrTiO<sub>3</sub>/SrTiO<sub>3</sub>(001)
We present a sequential growth scheme based on pulsed laser deposition, which yields dense arrays of ultrathin, match-shaped Au/CoNi nanopillars, vertically embedded in SrTiO<sub>3</sub>thin films. Analysis of the magnetic properties of these nanocomposites reveals a pronounced out-of-plane anisotropy. We show that the latter not only results from the peculiar nanoarchitecture of the hybrid films but is further enhanced by strong magneto-structural coupling of the wires to the surrounding matrix. Finally, we provide a detailed overview of the optical response of these vertical nanostructures. Combining ellipsometry measurements with finite-difference time-domain simulations allows us to assess the potential of our self-assembly approach, as well as its possible shortcomings, for producing hybrid thin films with well-tailored magneto-plasmonic properties.
Authors
- Yunlin Zheng (ORCID: https://orcid.org/0000-0001-8964-5603)
- Bruno Gallas (ORCID: https://orcid.org/0000-0003-4717-3948)
- Andrea Resta (ORCID: https://orcid.org/0000-0002-0614-1192)
- Y. Garreau (ORCID: https://orcid.org/0000-0002-7594-0262)
- David Hrabovský (ORCID: https://orcid.org/0009-0005-8094-9228)
- D. Demaille
- G. Patriarche (ORCID: https://orcid.org/0000-0002-3917-2470)
- Alessandro Coati (ORCID: https://orcid.org/0000-0001-7732-5688)
- Marcel Hennes (ORCID: https://orcid.org/0000-0003-3405-9601)
- M. Sauvage-Simkin
- Alina Vlad (ORCID: https://orcid.org/0000-0001-7319-0093)
- Thomas Tran (ORCID: https://orcid.org/0009-0007-7763-2697)
- F. Vidal (ORCID: https://orcid.org/0000-0001-7107-9340)
Institutions
- Centre National de la Recherche Scientifique (FR)
- Université Sorbonne Nouvelle (FR)
- Université Paris Cité (FR)
- Université Paris-Saclay (FR)
- Synchrotron soleil (FR)
- Institut de Mathématiques de Jussieu-Paris Rive Gauche (FR)
- Sorbonne Université (FR)
- Sorbonne Paris Cité (FR)
- Centre de Nanosciences et de Nanotechnologies (FR)
- Centre de Physique Théorique (FR)
- Laboratoire Matériaux et Phénomènes Quantiques (FR)
- Institut des NanoSciences de Paris (FR)
Publication Details
- Journal
- Nanotechnology
- Published
- 2024-12-12
- DOI
- https://doi.org/10.1088/1361-6528/ad9df1
- Primary Topic
- Magnetic properties of thin films
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Agence Nationale de la Recherche