A5075101919- Hydrogen Storage and Materials
- Ammonia Synthesis and Nitrogen Reduction
- Microstructure and mechanical properties
- Hybrid Renewable Energy Systems
- Metallic Glasses and Amorphous Alloys
- Advanced Photocatalysis Techniques
- Superconductivity in MgB2 and Alloys
- Magnetic properties of thin films
- Coral and Marine Ecosystems Studies
- Iron oxide chemistry and applications
- Magnetic Properties and Synthesis of Ferrites
- Particle Accelerators and Free-Electron Lasers
- Boron and Carbon Nanomaterials Research
- Gamma-ray bursts and supernovae
- Electron and X-Ray Spectroscopy Techniques
- Particle accelerators and beam dynamics
- SAS software applications and methods
- Magnesium Alloys: Properties and Applications
- nanoparticles nucleation surface interactions
- Ocean Acidification Effects and Responses
- Surface Treatment and Residual Stress
- Catalytic Processes in Materials Science
- Magnetic Properties and Applications
- Intermetallics and Advanced Alloy Properties
- Copper-based nanomaterials and applications
University of Bologna
2016-2025
Faculdade São Leopoldo Mandic
2025
European Southern Observatory
2017-2025
Institute for Microelectronics and Microsystems
2022-2024
Istituto Superiore di Sanità
2024
National Research Council
2022-2023
University of Ferrara
2022
National Research Council
2022
South Central Minzu University
2020
Hokkaido University
2020
Magnesium hydride owns the largest share of publications on solid materials for hydrogen storage. The group international experts contributing to IEA Task 32 Hydrogen Based Energy Storage recently published two review papers presenting activities focused magnesium based and Mg compounds energy This article not only overviews latest both fundamental aspects Mg-based hydrides their applications, but also presents a historic overview topic outlines projected future developments. Particular...
Magnesium hydride owns the largest share of publications on solid materials for hydrogen storage. The “Magnesium group” international experts contributing to IEA Task 32 “Hydrogen Based Energy Storage” recently published two review papers presenting activities group focused magnesium based and Mg compounds energy This article not only overviews latest both fundamental aspects Mg-based hydrides their applications, but also presents a historic overview topic outlines projected future...
Abstract Hydrides based on magnesium and intermetallic compounds provide a viable solution to the challenge of energy storage from renewable sources, thanks their ability absorb desorb hydrogen in reversible way with proper tuning pressure temperature conditions. Therefore, they are expected play an important role clean transition deployment as efficient vector. This review, by experts Task 40 ‘Energy Storage Conversion Hydrogen’ Hydrogen Technology Collaboration Programme International...
We report a detailed morphological and structural characterization of iron/iron oxide core-shell nanoparticles with x-ray diffraction absorption spectroscopy performed at both the Fe O $K$ edges. Core-shell core size ranging from 7 to 21 nm were synthesized using inert gas condensation technique followed by 12 h controlled surface oxidation. Rietveld analysis patterns shows presence \ensuremath{\alpha}-Fe surrounded 2--3 nm-thick layer disordered cubic spinel structure. Magnetite...
Abstract Ocean acidification is predicted to impact ecosystems reliant on calcifying organisms, potentially reducing the socioeconomic benefits these habitats provide. Here we investigate acclimation potential of stony corals living along a pH gradient caused by Mediterranean CO 2 vent that serves as natural long-term experimental setting. We show in response reduced skeletal mineralization at lower pH, increase their macroporosity (features >10 μm) order maintain constant linear...
Abstract Organisms that accumulate calcium carbonate structures are particularly vulnerable to ocean warming (OW) and acidification (OA), potentially reducing the socioeconomic benefits of ecosystems reliant on these taxa. Since rising atmospheric CO 2 is responsible for global increasing acidity, correctly predict how OW OA will affect marine organisms, their possible interactive effects must be assessed. Here we investigate, in field, combined temperature (range: 16–26 °C) pH TS 8.1–7.4)...
Direct, solid-state X-ray detectors based on organic single crystals are shown to operate at room temperature, in air, and voltages as low a few volts, delivering stable reproducible linear response increasing dose rates, with notable radiation hardness resistance aging. All-organic optically transparent devices reported.
Reversible hydrogen sorption coupled with the MgH2 ↔ Mg phase transformation was achieved in remarkably low 340–425 K temperature range using MgH2–TiH2 composite nanoparticles obtained by reactive gas-phase condensation of Mg–Ti vapors under He/H2 atmosphere. The equilibrium pressures determined situ measurements at were slightly above those predicted enthalpy ΔH and entropy ΔS bulk magnesium. A single van't Hoff fit over a extended up to 550 yields thermodynamic parameters = 68.1 ± 0.9...
Intensity-modulated photocurrent spectroscopy (IMPS) has been largely employed in semiconductor characterization for solar energy conversion devices to probe the operando behavior with widely available facilities. However, implementation of IMPS data analysis complex structures, whether based on physical rate constant model (RCM) or assumption-free distribution relaxation times (DRT), is generally limited a semi-quantitative description charge carrier kinetics system. In this study, new...
The interaction of hydrogen with solids and the mechanisms hydride formation experience significant changes in nanomaterials due to a number structural features. This review aims at illustrating design principles that have recently inspired development new for storage. After general discussion about influence nanomaterials’ microstructure on their sorption properties, several scientific cases hot topics are illustrated surveying various classes materials. These include bulk-like processed by...
Astrophysics demands higher precision in measurements across photometry, spectroscopy, and astrometry. Several science cases necessitate not only but also a high level of accuracy. We highlight the challenges involved, particularly achieving spectral fidelity, which refers to our ability accurately replicate input spectrum an astrophysical source. Beyond wavelength calibration, this encompasses correcting observed spectra for atmosphere, telescope, instrumental signatures. Elevating fidelity...
Este estudo relatou o reparo de uma lesão periapical após retratamento endodôntico. Paciente 42 anos idade, gênero feminino foi encaminhada para especialista em endodontia endodôntico do dente 36. Clinicamente apresentou- se assintomático, e exame radiográfico observou-se material radiopaco semelhante à guta percha obturação canal inadequada (sub-obturação radicular, além imagem radiolúcida presente na raiz meisal molar inferior. Após anestesia, realizada a abertura coronária. A desobturação...
In this study, we investigate how structural modifications induced by Fe substitution with Ni in the TiFe intermetallic alloy affect thermodynamics of hydride formation and decomposition. The primary goal substituting was to reduce plateau pressure TiFe, a crucial parameter for reversible solid-state hydrogen storage applications under near-ambient conditions (below 150 °C 50 bar). Alloy compositions TiFe1–xNix x ≤ 0.30 were synthesized arc melting. morphological properties characterized...
We present an experimental determination of the vibrational density states in nanocrystalline Fe and Ni by inelastic neutron scattering. Nanocrystalline specimens with different grain size microstrain have been prepared ball milling thermal annealing. The has extracted from time-of-flight spectra obtained spectrometer IN6 at Institute Laue–Langevin. In comparison reference coarse-grained measured same conditions exhibit: (i) a modest increase population low-frequency modes (ii) distinct...
Microstructure refinement and synergic coupling among different phases are currently explored strategies to improve the hydrogen storage properties of traditional materials. In this work, we apply a combination these methods synthesize Mg–Pd composite nanoparticles by inert gas condensation Mg vapors followed vacuum evaporation Pd clusters. Irreversible formation Mg6Pd intermetallic phase takes place upon annealing, resulting in Mg/Mg6Pd nanoparticles. Their investigated connected undergoing...