Structural and mechanical characterization of hybrid metallic-inorganic nanosprings
DEDOVETS, Dmytro
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
< Reduce
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Language
en
Article de revue
This item was published in
Materials Research Express. 2017-10-01, vol. 4, n° 10
IOP Publishing Ltd
English Abstract
Silica nanosprings (NS) are fabricated by a sol–gel deposition of silica precursors onto a template made of self-assembled organic chiral nanostructures. They are deposited and assembled on microstructured silicon substrates, ...Read more >
Silica nanosprings (NS) are fabricated by a sol–gel deposition of silica precursors onto a template made of self-assembled organic chiral nanostructures. They are deposited and assembled on microstructured silicon substrates, and then metallized and clamped in a single lithography-free step using a focused ion beam (FIB). The resulting suspended hybrid metallic/inorganic NS are then characterized with high-resolution transmission electron microscopy (HRTEM) and scanning TEM/energy-dispersive X-ray spectroscopy (STEM/EDX), showing the atomic structure of the metallic layer. Three-point bending tests are also carried out using an atomic force microscope (AFM) and supported by finite element method (FEM) simulation with COMSOL Multiphysics allowing the characterization of the mechanical behavior and the estimation of the stiffness of the resulting NS. The information obtained on the structural and mechanical properties of the NS is discussed for future nano-electro-mechanical system (NEMS) applications.Read less <
English Keywords
atomic force spectroscopy
nanomechanics
nanostructure
nanohelix
nanospring
EBID
FIB
ANR Project
Nanohélices hybrides organiques–inorganiques fonctionnelles : étude de phénomènes exaltés à l'échelle nanométrique - ANR-10-BLAN-0813
Assemblage de type " bottom-up " de Nanohélices fonctionnalisées: un pas de plus vers des dispositifs flexibles. - ANR-15-CE08-0041
Assemblage de type " bottom-up " de Nanohélices fonctionnalisées: un pas de plus vers des dispositifs flexibles. - ANR-15-CE08-0041
Origin
Hal imported