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This book is a collection of the research articles and review article, published in special issue "Structural, Magnetic, Dielectric, Electrical, Optical and Thermal Properties of Nanocrystalline Materials: Synthesis, Characterization and Application".
α-Fe2O3 --- photocatalytic activity --- dielectric properties --- similarity solution --- triple solutions --- stability analysis --- shooting method --- three-stage Lobatto III-A formula --- hybrid nanofluid --- slender body revolution --- porous media --- radiation effect --- mixed convection --- nanocrystalline cellulose --- graphene quantum dots --- thin film --- optical --- sensing --- glucose --- surface plasmon resonance --- Au-ZnO/C2H6O2 --- heat transfer --- rotating systems --- analytical solution --- sparking process --- surface energy --- nanoparticle nucleation --- vapor deposition --- beryllium oxide --- lithium Niobate --- SAW devices --- ellipsometry --- error analysis --- spectroscopy --- high-accuracy measurement --- optical metrology --- dielectric constants --- time-dependent flow --- entropy generation --- non-linear radiation --- γ-alumina nanoparticle --- MHD --- transition metal phosphorus sulfide --- van der Waals layered material --- 2D material --- low dimensional magnetism --- magnetic chains --- crystal growth --- chemical vapor transport --- powder X-ray diffraction --- rietveld refinement --- metamaterials --- electronic materials --- electromagnetic --- Fano resonances --- SQUID --- Ag@Au nanoparticle --- core–shell structure --- sea-urchin-like structure --- SERS --- fentanyl
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The rapid increasing of concentrations of anthropologically generated greenhouse gases (primarily CO2) in the atmosphere is responsible for global warming and ocean acidification. The International Panel on Climate Change (IPCC) indicates that carbon capture and storage (CCS) techniques are a necessary measure to reduce greenhouse gas emissions in the short-to-medium term. One of the technological solutions is the long-term storage of CO2 in appropriate geological formations, such as deep saline formations and depleted oil and gas reservoirs. Promising alternative options that guarantee the permanent capture of CO2, although on a smaller scale, are the in-situ and ex-situ fixation of CO2 in the form of inorganic carbonates via the carbonation of mafic and ultramafic rocks and of Mg/Ca-rich fly ash, iron and steel slags, cement waste, and mine tailings. According to this general framework, this Special Issue collects articles covering various aspects of recent scientific advances in the geological and mineralogical sequestration of CO2. In particular, it includes the assessment of the storage potential of candidate injection sites in Croatia, Greece, and Norway; numerical modelling of geochemical–mineralogical reactions and CO2 flow; studies of natural analogues providing information on the processes and the physical–chemical conditions characterizing serpentinite carbonation; and experimental investigations to better understand the effectiveness and mechanisms of geological and mineralogical CO2 sequestration.
CO2 reservoir rock --- CO2 sealing capacity --- CO2 sequestration --- CO2 storage capacity --- CO2 storage ratio --- supercritical CO2 --- CO2 geological storage --- depleted gas fields --- deep saline aquifers --- Adriatic offshore --- Croatia --- CO2 geological sequestration --- unconsolidated sediments --- gas hydrates --- suitable methodology for mineral carbonation --- construction and demolition waste --- basalts --- carbonation --- CO2 storage --- hydrochemistry --- regional heat flow --- CO2 leakage --- cement --- well integrity --- leakage remediation --- TOUGHREACT --- reactive transport modelling --- CCS --- mineralization --- carbonatization --- mineral trapping --- mineral sequestration --- Johansen Formation --- North Sea --- sedimentary facies --- serpentinite --- X-ray diffraction --- rietveld refinement --- magnesium leaching --- thermal activation --- meta-serpentine --- heat activation optimization --- CO2 mineral sequestration --- hydromagnesite --- kerolite --- Cu mine --- Montecastelli --- underground microclimate --- replacement process --- low temperature carbonate precipitation --- Secondary Ion Mass Spectrometer --- seawater influx --- hydrothermal circulation --- ophicalcite --- n/a
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Fuel cells are expected to play a relevant role in the transition towards a sustainable-energy-driven world. Although this type of electrochemical system was discovered a long time ago, only in recent years has global energy awareness, together with newly developed materials and available technologies, made such key advances in relation to fuel cell potential and its deployment. It is now unquestionable that fuel cells are recognized, alongside their possibility to work in the reverse mode, as the hub of the new energy deal. Now the questions are, why are they not yet ready to be used, despite the strong economic support given from the society? What prevents them from being entered into the hydrogen energy scenario in which renewable sources will provide energy when it is not readily available? How much are researchers involved in this urgent step towards change? This book gives a clear answer, engaging with some of the open issues that explain the delay of fuel cell deployment and, at the same time, it opens a window that shows how wide and attractive the opportunities offered by this technology are. Papers collected here are not only specialist-oriented but also offer a clear landscape to curious readers and show how challenging the road to the future is.
polymer electrolyte fuel cell --- cyclic current profile --- transient behavior --- pressure drop --- Ohmic resistance --- solid oxide fuel cells (SOFCs) --- ionic conductivity --- Raman spectroscopy --- powder X-ray diffraction --- microbial fuel cell --- low-cost ceramics --- separator --- membrane --- porosity --- pore size --- water absorption --- mercury intrusion --- raman spectroscopy --- powder x-ray diffraction --- doped ceria --- solid oxides fuel cells --- Sm-doped ceria --- high pressure X-ray powder diffraction --- diamond anvil cell --- equation of state --- Rietveld refinement --- SOFC --- reliability --- contamination --- salt --- oxygen starvation --- concentration polarization --- fuel cell application --- microfluidic fuel cell --- power supply --- soft drinks --- hydrogen production --- alkaline water electrolysis --- two-phases flow --- CFD --- two-phase process --- BSCF --- SOEC --- rSOC --- anodic overpotential --- impedance spectroscopy --- sealants --- glass-ceramic --- joining --- CH4 internal reforming --- solid oxide fuel cell --- 2D local control --- cell design optimization --- active site degradation --- tape casting process --- open circuit voltage --- activation energy --- power density --- IT-SOFC --- PEM fuel cell --- useful water --- hydrogen consumption scenarios --- modified fuel utilization
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Demand for advanced X-ray scattering techniques has increased tremendously in recent years with the development of new functional materials. These characterizations have a huge impact on evaluating the microstructure and structure–property relation in functional materials. Thanks to its non-destructive character and adaptability to various environments, the X-ray is a powerful tool, being irreplaceable for novel in situ and operando studies. This book is dedicated to the latest advances in X-ray diffraction using both synchrotron radiation as well as laboratory sources for analyzing the microstructure and morphology in a broad range (organic, inorganic, hybrid, etc.) of functional materials.
lead-free ceramic --- sol–gel process --- barium zirconate titanate --- dielectric property --- conjugated polymer and blends --- in situ GIXD --- additive --- structure --- strain --- X-ray diffraction --- piezoelectric properties --- lanthanum-modified lead zirconate titanate (PLZT) --- zeolite-W --- cation form --- synchrotron X-ray diffraction --- Rietveld refinement --- high-pressure --- smectite --- bulk moduli --- anhydrous and hydrous environments --- synchrotron X-ray powder diffraction --- pressure-transmitting media --- metallic composites --- Ni --- Ni-W alloys --- silver-exchanged natrolite --- pressure-induced insertion --- high energy-density materials --- high pressure and temperature --- Raman spectroscopy --- ammonium azide --- polynitrogen compounds --- superalloys --- low-angle boundaries --- X-ray topography --- turbine blades --- crystal growth --- nano-perovskite (CaTiO3) --- Young’s modulus --- ultrasonic-pulse echo --- planar density --- residual stress --- laser cavitation peening --- pulse laser --- wedge-shaped amphiphile --- double gyroid phase --- grazing-incidence X-ray scattering --- environmental atomic force microscopy --- vapor annealing --- Williamson-Hall (W-H) --- uniform stress deformation model (USDM) --- hydroxyapatite --- ultrasonic pulse-echo --- thermoplastic polyurethane ureas --- shape memory materials --- synchrotron SAXS/WAXS --- polymer deformation --- lamellar morphology --- poly-ε-caprolactone --- poly(1,4-butylene adipate)
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