Evaluation of Effective Elastic Properties of Nitride NWs/Polymer Composite Materials Using Laser-Generated Surface Acoustic Waves

Applied Sciences

Bernard Bonello¹  Olga Boyko¹  Eric Charron¹  Noëlle Gogneau²  François Julien²  Lu Lu²  Maria Tchernycheva²  Evgeny Glushkov³  Natalia Glushkova³ 

[1] CNRS, Institut des NanoSciences de Paris (INSP), Sorbonne Universités, CEDEX 05, 75252 Paris, France;Centre de Nanosciences et de Nanotechnologies, UMR 9001 CNRS, Univ. Paris Sud, Univ. Paris-Saclay, 8 Avenue de la Vauve, 91120 Palaiseau, France;Institute for Mathematics, Mechanics and Informatics, Kuban State University, 350080 Krasnodar, Russia;

关键词: surface acoustic waves;    GaN nanowires;   

DOI  :  10.3390/app8112319

来源: DOAJ

【 摘 要 】

In this paper we demonstrate a high potential of transient grating method to study the behavior of surface acoustic waves in nanowires-based composite structures. The investigation of dispersion curves is done by adjusting the calculated dispersion curves to the experimental results. The wave propagation is simulated using the explicit integral and asymptotic representations for laser-generated surface acoustic waves in layered anisotropic waveguides. The analysis of the behavior permits to determine all elastic constants and effective elastic moduli of constituent materials, which is important both for technological applications of these materials and for basic scientific studies of their physical properties.

【 授权许可】

Unknown