Ausrine Bartasyte
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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: Energy Harvesting on Ac Power Lines for a Battery-Free Lora Node
Energy Harvesting on Ac Power Lines for a Battery-Free Lora Node Open
View article: Coherent Dipolar Coupling between Magnetoelastic Waves and Nitrogen Vacancy Centers
Coherent Dipolar Coupling between Magnetoelastic Waves and Nitrogen Vacancy Centers Open
We experimentally demonstrate coherent Rabi oscillations of Nitrogen Vacancy (NV) centers by magnetoelastic waves. The coupling is consistent with dipolar stray field drive from spin-wave modes in a ferromagnetic film, and displays a signi…
View article: Energy efficient coherent quantum control of nitrogen vacancy (NV) spin with nanoscale magnets
Energy efficient coherent quantum control of nitrogen vacancy (NV) spin with nanoscale magnets Open
We investigate coherent quantum control of a nitrogen vacancy (NV) center in diamond with microwave fields generated from a nanoscale magnet that is proximal to the NV center. Our results show remarkable coherent control with high contrast…
View article: Electro-Mechanical Characterization and Modeling of a Broadband Piezoelectric Microgenerator Based on Lithium Niobate
Electro-Mechanical Characterization and Modeling of a Broadband Piezoelectric Microgenerator Based on Lithium Niobate Open
Vibration energy harvesting based on piezoelectric transducers is an attractive choice to replace single-use batteries in powering Wireless Sensor Nodes (WSNs). As of today, their widespread application is hindered due to low operational b…
View article: Symmetry of the coupling between surface acoustic waves and spin waves in synthetic antiferromagnets
Symmetry of the coupling between surface acoustic waves and spin waves in synthetic antiferromagnets Open
International audience
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: On the coupling between magnetoelastic waves and nitrogen vacancy centers in diamond
On the coupling between magnetoelastic waves and nitrogen vacancy centers in diamond Open
We show that a coupling exists between nitrogen vacancy (NV) centers in diamond in proximity to magnetoelastic spin waves generated by a voltage driven surface acoustic wave. Experimental measurements show the presence of coupling driven b…
View article: Integration of epitaxial LiNbO<sub>3</sub> thin films with silicon technology
Integration of epitaxial LiNbO<sub>3</sub> thin films with silicon technology Open
Development of bulk acoustic wave filters with ultra-wide pass bands and operating at high frequencies for 5 th and 6 th generation telecommunication applications and micro-scale actuators, energy harvesters and sensors requires lead-free …
View article: Symmetry of the coupling between surface acoustic waves and spin waves in synthetic antiferromagnets
Symmetry of the coupling between surface acoustic waves and spin waves in synthetic antiferromagnets Open
Synthetic antiferromagnets host spin waves that are highly tunable. It is of practical interest to analyze the symmetry of their coupling to surface acoustic waves with the design of hybrid devices in view. For this we calculate the layer-…
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: Epitaxial LiNbO<sub>3</sub> growth and layer transfer for thin-film electro-optic modulator realization
Epitaxial LiNbO<sub>3</sub> growth and layer transfer for thin-film electro-optic modulator realization Open
The aim of the PhD project is to develop a new trend in modulation system for Exail company: thin film (<1 μm) lithium niobate (LN) electro-optic modulator. It exhibits better performance in term of bandwidth, power consumption and footpri…
View article: Correlated disorder by defects clusters in LiNbO3 single crystals after crystal ion-slicing
Correlated disorder by defects clusters in LiNbO3 single crystals after crystal ion-slicing Open
View article: Acousto-electric measurements at 2.5 GHz on graphene transferred onto YX128°-LiNbO<sub>3</sub>
Acousto-electric measurements at 2.5 GHz on graphene transferred onto YX128°-LiNbO<sub>3</sub> Open
Surface acoustic wave delay lines with an operational frequency of 2.5 GHz have been designed to measure the acousto-electric transport of carriers in graphene transferred onto YX128°-LiNbO 3 piezoelectric substrate. The monolayer of graph…
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: Electro-Mechanical Characterization and Modelling of a Lead-Free Broadband Piezoelectric Microgenerator Based on Lithium Niobate
Electro-Mechanical Characterization and Modelling of a Lead-Free Broadband Piezoelectric Microgenerator Based on Lithium Niobate Open
View article: Two Degrees of Freedom Equivalent Circuit Modelling of a Linbo3 Bimorph Bending Cantilever
Two Degrees of Freedom Equivalent Circuit Modelling of a Linbo3 Bimorph Bending Cantilever Open
View article: A smart battery free system for wireless condition monitoring using piezoelectric energy harvester
A smart battery free system for wireless condition monitoring using piezoelectric energy harvester Open
International audience
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: Lead-Free LiNbO3 Thick Film MEMS Kinetic Cantilever Beam Sensor/Energy Harvester
Lead-Free LiNbO3 Thick Film MEMS Kinetic Cantilever Beam Sensor/Energy Harvester Open
In this paper, we present integrated lead-free energy converters based on a suitable MEMS fabrication process with an embedded layer of LiNbO3. The fabrication technology has been developed to realize micromachined self-generating transduc…
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: A Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoring
A Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoring Open
Wireless sensor nodes (WSNs) are the fundamental part of an Internet of Things (IoT) system for detecting and transmitting data to a master node for processing. Several research studies reveal that one of the disadvantages of conventional,…
View article: Multi-dimensional constrained energy optimization of a piezoelectric harvester for E-gadgets
Multi-dimensional constrained energy optimization of a piezoelectric harvester for E-gadgets Open
View article: Highly Coupled and Low Frequency Vibrational Energy Harvester Using Lithium Niobate on Silicon
Highly Coupled and Low Frequency Vibrational Energy Harvester Using Lithium Niobate on Silicon Open
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View article: CCDC 1957323: Experimental Crystal Structure Determination
CCDC 1957323: Experimental Crystal Structure Determination Open
View article: CCDC 1957324: Experimental Crystal Structure Determination
CCDC 1957324: Experimental Crystal Structure Determination Open
View article: Facile synthesis of novel lithium β-diketonate glyme adducts: the effect of molecular engineering on the thermal properties
Facile synthesis of novel lithium β-diketonate glyme adducts: the effect of molecular engineering on the thermal properties Open
Coordination of monoglyme and diglyme to Li ion, in addition to the anionic hexafluoro-acetylacetone, gives rise, respectively, to a polymeric network and dimeric units with challenging mass transport properties.
View article: Piezoelectric and Pyroelectric Energy Harvesting from Lithium Niobate Films
Piezoelectric and Pyroelectric Energy Harvesting from Lithium Niobate Films Open
Single-crystalline LiNbO 3 films were studied as a pyro- and piezo-electric transducer for energy harvesting applications. Two types of devices: piezoelectric cantilever (PiEH) and pyroelectric chip (ThEH) were microfabricated. Different t…
View article: Piezoelectric Response in Hybrid Micropillar Arrays of Poly(Vinylidene Fluoride) and Reduced Graphene Oxide
Piezoelectric Response in Hybrid Micropillar Arrays of Poly(Vinylidene Fluoride) and Reduced Graphene Oxide Open
This study was dedicated to the investigation of poly(vinylidene fluoride) (PVDF) micropillar arrays obtained by soft lithography followed by phase inversion at a low temperature. Reduced graphene oxide (rGO) was incorporated into the PVDF…