Tailoring nanostructured surfaces with plasmonic/magnetic multifunctional response

Year: 2018

Authors: Serrano A., de la Fuente O.R., Garcia-Hernandez M., Campo G., Fernandez CD., Fernandez JF., Garcia M.A.

Autors Affiliation: [Serrano, A.; Fernandez, J. F.; Garcia, M. A.] CSIC, ICV, C Kelsen 5, E-28049 Madrid, Spain.
[Serrano, A.; Rodriguez de la Fuente, O.] Univ Complutense Madrid, Dept Fis Mat, Avda Complutense S-N, E-28040 Madrid, Spain.
[Rodriguez de la Fuente, O.; Garcia, M. A.] Univ Complutense Madrid, Inst Magnetismo Aplicado Salvador Velayos, Madrid 28230, Spain.
[Garcia-Hernandez, M.] ICMM CSIC, Inst Ciencia Mat, C Sor Juana Ines de la Cruz 3, Madrid 28049, Spain.
[Campo, G.] CNR INO, Via Carrara 1, I-50019 Sesto Fiorentino, Italy.
[Campo, G.] European Lab Nonlinear Spect LENS, Via Carrara 1, I-50019 Sesto Fiorentino, Italy.
[Campo, G.; de Julian Fernandez, C.] Univ Firenze, INSTM, Via Lastruccia 3, I-50019 Sesto Fiorentino, Italy.
[Campo, G.; de Julian Fernandez, C.] Univ Firenze, Dipartimento Chim U Schiff, Via Lastruccia 3, I-50019 Sesto Fiorentino, Italy.
[de Julian Fernandez, C.] INEM CNR, Parco Area Sci 37-A, I-43124 Parma, Italy.

Abstract: In this work, we present an innovative way to functionalize large surfaces combining both plasmonic and magnetic nanoparticles on a substrate, by the growth of bilayers and a subsequent single annealing. In particular, we show here the formation of Au and gamma-Fe2O3 nanoparticles using this route. Thermal treatments promote the nanostructuration of the film plus a partial oxidation of Fe to form ferrimagnetic oxides. For this purpose, annealing conditions and the structure of the bilayer must be selected to achieve an optimal nanostructuration, avoiding the full oxidation of Fe to form antiferromagnetic hematite. Published by AIP Publishing.


Volume: 113 (10)      Pages from: 101908-1  to: 101908-5

More Information: This project was supported by a 2016 BBVA Foundation Grant for Researchers and Cultural Creators. This work was also supported by the Ministerio Espanol de Economia y Competitividad (MINECO) through Project Nos. MAT2017-86540-C4-1-R, MAT2014-52405-C02-02, and CSIC 20150E068. A.S. acknowledges the Comunidad de Madrid for the financial support (Grant No. 2017-t2/IND-5395).
KeyWords: iron-oxide; gold nanoparticles; hematite; Raman; films
DOI: 10.1063/1.5044697

Citations: 2
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