Quentin Micard
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View article: Surface Brillouin light spectroscopy of high-frequency guided elastic waves in CoFeB-multilayers on lithium niobate
Surface Brillouin light spectroscopy of high-frequency guided elastic waves in CoFeB-multilayers on lithium niobate Open
CoFeB alloy is a ferromagnetic material that is often considered to produce synthetic antiferromagnets (SAF) used in spintronic devices. SAF host spin waves with high tunability, making their coupling with surface acoustic waves (SAWs) a p…
View article: LiNbO3 Thin Films through a Sol–Gel/Spin-Coating Approach Using a Novel Heterobimetallic Lithium–Niobium Precursor
LiNbO3 Thin Films through a Sol–Gel/Spin-Coating Approach Using a Novel Heterobimetallic Lithium–Niobium Precursor Open
Lithium niobate is a lead-free material which has attracted considerable attention due to its excellent optical, piezoelectric, and ferroelectric properties. This research is devoted to the synthesis through an innovative sol–gel/spin-coat…
View article: Microfabrication of piezoelectric MEMS based on thick LiNbO<sub>3</sub> single-crystal films
Microfabrication of piezoelectric MEMS based on thick LiNbO<sub>3</sub> single-crystal films Open
Microfabrication procedure of piezoelectric micro electro-mechanical systems based on 5 μ m thick LiNbO 3 films on SiO 2 /Si substrate at wafer scale including deep dry etching of thick LiNbO 3 films by implementing pulsed mode of Ar/SF 6 …
View article: Dispersion of surface elastic waves on Z-LiNbO3 films on Z-sapphire
Dispersion of surface elastic waves on Z-LiNbO3 films on Z-sapphire Open
Epitaxial thin films of lithium niobate with a thickness of 160 nm, oriented along the crystallographic c axis, were grown by direct liquid injection chemical vapor deposition on c-sapphire substrates. Different families of very high-frequ…
View article: Material strategies to enhance the performance of piezoelectric energy harvesters based on lead-free materials
Material strategies to enhance the performance of piezoelectric energy harvesters based on lead-free materials Open
Over the past four decades, energy microsources based on piezoelectric energy harvesting have been intensively studied for applications in autonomous sensor systems. The research is triggered by the request for replacing standard lead-base…
View article: Self‐Poled Heteroepitaxial Bi<sub>(1−</sub><i><sub>x</sub></i><sub>)</sub>Dy<i><sub>x</sub></i>FeO<sub>3</sub> Films with Promising Pyroelectric Properties
Self‐Poled Heteroepitaxial Bi<sub>(1−</sub><i><sub>x</sub></i><sub>)</sub>Dy<i><sub>x</sub></i>FeO<sub>3</sub> Films with Promising Pyroelectric Properties Open
Pyroelectric materials are very promising for thermal energy harvesting applications. To date, lead‐based systems are the foremost studied materials in this field. A facile and simple metal organic chemical vapor deposition route is applie…
View article: Dy-Doped BiFeO<sub>3</sub> thin films: piezoelectric and bandgap tuning
Dy-Doped BiFeO<sub>3</sub> thin films: piezoelectric and bandgap tuning Open
A tri-metallic precursor mixture has been used to deposit Bi(1− x )Dy x FeO 3 film on conductive SrTiO 3 :Nb(100) substrates. A fine adjustment of the film composition is the key enabling an accurate tuning of the film piezoelectric and op…
View article: Piezoelectric BiFeO3 Thin Films: Optimization of MOCVD Process on Si
Piezoelectric BiFeO3 Thin Films: Optimization of MOCVD Process on Si Open
This paper presents a simple and optimized metal organic chemical vapor deposition (MOCVD) protocol for the deposition of perovskite BiFeO3 films on silicon-based substrates, in order to move toward the next generation of lead-free hybrid …