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New Phonon

  • Wednesday 3 
  • 14:30
  • - 14:50 
  • 1401 
  • Talk # 4 
  • Session # 4

Environment-responsive mesoporous-based GHz acoustic resonators

Edson Rafael Cardozo de Oliveira1, Gaston Grosman2, Chushuang Xiang1, Michael Zuarez-Chamba2, Priscila Vensaus2, Abdelmounaim Harouri1, Cédric Boissiere3, Galo J. A. A. Soler-Illia2, Norberto Daniel Lanzillotti-Kimura1

  • 1- Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 10 Boulevard Thomas Gobert, 91120 Palaiseau, France
  • 2- Instituto de Nanosistemas, Escuela de Bio y Nanotecnologías, Universidad Nacional de San Martín-CONICET, Buenos Aires, Argentina
  • 3- Laboratoire de Chimie de la Matière Condensée, Université Pierre et Marie Curie, 4 Place Jussieu, 75252 Paris, Cedex 5, France

Presenting Author:

  • Edson Rafael
  • Cardozo de Oliveira

edson.cardozo@universite-paris-saclay.fr

Acoustic phonons, the quanta of lattice vibration, in the gigahertz range, are an asset for potential technological breakthroughs. [1] Novel approaches for tunable nanophononic resonators responsive to environmental conditions add extra control and functionality for these devices. Mesoporous materials for example, with nanoscale size pore diameters, are responsive to ambient humidity. It has been shown that multilayered resonators based on mesoporous SiO2 and TiO2 support acoustic modes in the 5-100 GHz range. [2,3] Design strategies, using periodic stacks of oxide materials, have also been proposed to enhance the acoustic confinement. [4] The pores of these materials can undergo liquid and vapor infiltration, modifying the material’s effective optical and elastic properties. Liquid infiltration within the pores at the nanoscale has a nonlinear response with the ambient relative humidity, characterized by a sudden pore-filling increase at a threshold humidity, along with a hysteresis between adsorption and desorption sweeps, and is strongly dependent on the pore size distribution of the material. [5] Here, we compare two open-cavity acoustic resonators of SiO2 MTFs with different pore diameters and different film thicknesses. The resonators are composed of a nickel acousto-optical transducer deposited on a glass substrate, and the MTF on top. We characterize the resonators by transient reflectivity experiments with a pump-probe scheme for coherent acoustic phonon generation and detection. We demonstrate that these resonators are responsive to humidity variations. In addition, our findings show that the acoustic modes confined in the MTF are independent of the pore size distribution, but mainly depend on the material properties and layer thickness. These results pave the way towards next-generation tunable and responsive nanophononic devices.

References

[1] Priya, Cardozo de Oliveira, E. R., and Lanzillotti-Kimura, N. D., Appl. Phys. Lett. 122, 140501, 2023.

[2] Abdala, N. L., Esmann, M., Fuertes, M. C., Angelomé, P. C., Ortiz, O., Bruchhausen, A., Pastoriza, H., Perrin, B., Soler-Illia, G. J. A. A., and Lanzillotti-Kimura, N. D., The Journal of Physical Chemistry C 124, 17165–17171, 2020

[3] Cardozo de Oliveira, E. R., Xiang, C., Esmann, M., Lopez Abdala, N., Fuertes, M. C., Bruchhausen, A., Pastoriza, H., Perrin, B., Soler-Illia, G. J. A. A., and Lanzillotti-Kimura, N. D., Photoacoustics 30, 100472, 2023

[4] Cardozo de Oliveira, E. R., Vensaus, P., Soler-Illia, G. J. A. A. and Lanzillotti-Kimura, N. D., Opt. Mater. Express 13, 3715, 2023

[5] Boissiere, C., Grosso, D., Lepoutre, S., Nicole, L., Bruneau, A. B., and Sanchez, C., Langmuir 21, 12362–12371, 2005