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The Special Issue on Recent Advances in Nanomagnetism is a compilation of articles, addressing various aspects of magnetic properties and behaviour in low dimensional magnetic materials. One contribution addresses the novel magnetic properties in a nanohybrid of iron oxide and carbide nanoparticles grown in diamond. Magnetic textures, such as skyrmion structures, form an important area of research in nanomagnetism, this forms the topic of another contribution. Several aspects of magnetisation dynamics are addressed in other contributions and relate to the developments of microresonators and microantennas applied to the study of magnetic nanostructures; the ferromagnetic resonance behaviour in nanodot systems are also considered. Materials development forms an important area of study in nanomagnetism, and, as such, the preparation conditions, such as annealing under an applied field, can have important effects on the magnetic properties of thin films and low dimensional structures. Such considerations form the study of one of the contributions. Perpendicular magnetic anisotropy has a number of important applications in magnetic storage materials; this is the subject of two further contributions.

Information technology industries --- Computer science --- magnetic nanohybrid materials --- nanodiamonds --- nanoparticles --- iron carbides --- Fe3C --- spinel-type iron oxide --- Mössbauer spectroscopy --- skyrmions --- micromagnetic simulations --- geometric pinning --- finite-element modelling --- ferromagnetic resonance --- microantenna --- microresonator --- magnetic relaxation --- thin films --- nanostructures --- [Co/Ni]2/PtMn multilayers --- magnetic field annealing --- hysteresis loop vertical shift --- exchange coupling --- nanomagnetism --- magnetic multilayers --- micromagnetism --- magnetization dynamics --- magnetic nanodots --- coupled magnetic thin films --- perpendicular magnetic anisotropy --- n/a --- Mössbauer spectroscopy

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This reprint focuses on fundamentals and applied research on magnetic structures with curved geometries. The influence of curvature in the magnetic structures is an appealing topic of research opening novel perspectives to engineer the magnetic textures and the magnetisation reversal processes. Special attention is given to the fabrication and optimisation of magnetic structures, their characterisation and possible use in technological applications.

soft magnetic materials --- amorphous magnetic wires --- magnetic domains --- magneto-optic Kerr effect --- giant magnetoimpedance effect --- magnetic anisotropy --- 3D nanowire networks --- spin caloritronics --- thermoelectricity --- spintronics --- giant magnetoresistance multilayers --- glass-coated microwires --- micromagnetic structure --- impedance --- magnetic permeability --- nanomagnetism --- focused-electron-beam-induced deposition --- nanofabrication --- nanolithography --- magnetic nanowires --- three-dimensional --- core-shell --- purification --- thermal annealing --- electron holography --- cylindrical magnetic nanowires --- magnetocrystalline anisotropy --- magnetochiral configurations --- micromagnetic modeling --- amorphous microwires --- high-frequency magnetoimpedance --- SOLT calibration --- nanoporous anodic alumina template --- electrodeposition --- ALD --- magnetic nanowire and nanotube --- core/shell nanostructure --- FORC analysis --- MOKE --- magnetization reversal --- n/a

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The constant search for innovative magnetic materials increasingly leads to the creation of highly engineered systems built in different forms (films, wires, particles), structured on the nanoscale in at least one spatial direction, and often characterized by the coexistence of two or more phases that are magnetically and/or structurally different. In magnetic systems, the nanometric structural characteristics of the constituent elements, together with the type and strength of the magnetic interactions between them, determine the overall magnetic behavior and can lead to the appearance of unexpected and amazing magnetic phenomena. Indeed, the study of the magnetic properties of nanomaterials continues to arouse great interest for their intriguing fundamental properties and prospective technological applications. This Special Issue contributes to broadening the knowledge on magnetic nanomaterials, demonstrating the breadth and richness of this research field as well as the growing need to address it through an interdisciplinary approach. The papers collected in this book (two reviews and eight regular articles) report cutting-edge studies on the production and characterization of a variety of novel magnetic nanomaterials (nanoparticles, nanocomposites, thin films and multilayers), which have the potential to play a key role in different technologically advanced sectors, such as biotechnology, nanomedicine, energy, spintronics, data storage, and sensors.

disordered magnetism --- super-spin glass --- glassy correlation length --- magnetic freezing --- nanogranular Au/Fe-oxide --- Fe-oxide nanocrystallites --- synthetic antiferromagnet --- exchange bias --- interlayer exchange coupling --- vibrating sample magnetometry --- CoFeB --- thermally assisted magnetic scanning probe lithography --- magnetron sputtering --- nanoparticles --- sol-gel --- Raman spectroscopy --- UV-blue photoluminescence --- ZnNiO --- Kubelka-Munk function --- Burstein-Moss shift --- substitutional doping --- FePd alloy --- electrodeposition technique --- magnetic properties --- structural characterisation --- ferrimagnetic materials --- superparamagnetism --- magnetic hysteresis --- magnetic materials --- magnetic nanoparticles --- nanocomposites --- nanowires --- martensitic transition --- Heusler alloys --- magnetic shape memory alloys --- twin boundary --- epitaxial Ni-Mn-Ga films --- transmission electron microscopy --- magnetic anisotropy --- iron nitrides --- III-nitrides --- nanocrystals --- density functional theory --- magnetic hyperthermia --- magneto-sonoporation --- stem cells --- superparamagnetic iron oxide particles --- cell labelling --- ultrasounds --- osteogenesis --- bone tissue engineering --- magnetic aggregates --- magnetic interactions --- core/shell nanoparticles --- multicore nanoparticles --- hybrid systems --- mixed nanoparticle systems --- chemical synthesis --- magnetic heating

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Computing systems are undergoing a transformation from logic-centric towards memory-centric architectures, where overall performance and energy efficiency at the system level are determined by the density, performance, functionality and efficiency of the memory, rather than the logic sub-system.

n/a --- image classification --- bipolar resistive switching characteristics --- bioelectronic devices --- self-directed channel (SDC) --- programmable ramp-down current pulses --- nanoparticles --- protein --- DRAM --- convolutional neural networks --- silicon oxide-based memristors --- electrochemical metallization cell --- magnetic tunnel junction --- power gating --- resistance switching mechanism --- BCH --- Fast Fourier Transform --- nucleic acid --- biomemory --- conductive filament --- resistive random access memory (RRAM) --- non-von Neumann architecture --- emerging technologies --- Galois field --- variability --- logic-in-memory --- charge spreading --- memristor --- Hebbian training --- crossbar --- quantum point contact --- SONOS --- bionanohybrid material --- ECG --- neuromorphic computing --- CUDA --- low-latency --- iBM --- Oxygen-related trap --- nonvolatile memory --- phase change memory --- floating gate --- non-von neumann architecture --- 3D-stacked --- STT-MRAM --- solution-based dielectric --- GPU --- Internet of things --- configurable logic-in-memory architecture --- memory wall --- biologic gate --- synaptic weight --- guide training --- ion conduction --- perpendicular Nano Magnetic Logic (pNML) --- Weibull distribution --- real-time system --- in-DRAM cache --- task placement --- dynamic voltage scaling --- MCU (microprogrammed control unit) --- wire resistance --- multi-level cell --- chalcogenide --- decoder --- character recognition --- matrix-vector multiplication --- hybrid --- magnetoresistive random access memory --- blockchain --- electrochemical metallization (ECM) --- RISC-V --- U-shape recessed channel --- neuromorphic system --- in-memory computing --- crossbar array --- associative processor --- low-power --- plasma treatment --- voltage-controlled magnetic anisotropy --- flash memory --- resistive memory --- analogue computing --- bioprocessor --- annealing temperatures --- data retention --- flip-flop --- low-power technique

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The Special Issue “Non-Destructive Testing of Structures” has been proposed to present the recent developments in the field of the diagnostics of structural materials and components in civil and mechanical engineering. The papers highlighted in this editorial concern various aspects of non-invasive diagnostics, including such topics as the condition assessments of civil and mechanical structures and the connections of structural elements, the inspection of cultural heritage monuments, the testing of structural materials, structural health monitoring systems, the integration of non-destructive testing methods, advanced signal processing for the non-destructive testing of structures (NDT), damage detection and damage imaging, as well as modeling and numerical analyses for supporting structural health monitoring (SHM) systems.

capillary-based structural health monitoring --- fatigue crack growth --- fatigue crack initiation --- XFEM --- straight lug --- cast-in-place concrete --- temperature --- boundary conditions --- on-line monitoring --- numerical simulations --- strength --- extradosed bridge --- SHM system --- delamination --- width-to-depth ratio (WTDR) --- concrete bridge deck --- handheld IR camera (H-IRC) --- UAV IR camera (UAV-IRC) --- passive IRT --- non-destructive technique --- concrete structure --- non-destructive evaluation --- crack effect --- metal magnetic memory --- magnetic intensity gradient --- stress --- non-destructive testing --- ultrasonic tomography --- graph theory --- concrete --- damage mechanics --- elastic degradation --- damage parameter --- internal length --- experimental research --- methodology --- floors --- cement-based materials --- casting --- forming --- non-destructive and semi-destructive tests --- laser scanning --- photogrammetry --- tachymetry --- bridge deflection --- non-contact measurement --- wave propagation --- damage detection --- numerical modelling --- hardness --- Barkhausen noise --- number of events --- non-destructive testing inverse problem --- adhesive joint --- concrete beam --- guided waves --- debonding --- damage imaging --- root mean square --- cracking pattern --- cracks --- cement composites --- image analysis --- historical floor --- integrated diagnostics --- ground penetrating radar --- ultrasonic testing --- in situ surveys --- finite-difference time-domain modeling --- masonry structures --- autoclaved aerated concrete masonry units (AAC) --- compressive strength --- minor-destructive (MDT) techniques --- non-destructive techniques (NDT) --- acoustoelastic effect (AE) --- quasi-brittle cement composites --- acoustic emission --- acoustic spectrum --- micro events --- acoustic nondestructive methods --- large format tiles --- real-life application --- mechanical load --- failure --- vibration signal analysis --- nondestructive testing --- Kalman filtering --- parameter identification --- magnetic Barkhausen noise --- magnetic anisotropy --- grain oriented steel --- time-frequency representation --- signal processing --- data mining methods --- digital image correlation --- region-based convolutional neural network --- machine learning --- crack monitoring --- crack detection and localization --- elastic waves --- neural networks --- force prediction --- flange connection --- static test --- soil-steel bridge --- terrestrial laser scanning --- finite element method (FEM) --- modelling and simulations --- material parameters identification --- vibration measurements --- testing --- operational modal analysis --- lighthouse --- historic tower --- steel structures --- stressed-skin effect --- diaphragm design --- trapezoidal sheeting --- condition assessment of steel structure --- structural health monitoring --- civil engineering structures --- mechanical structures --- damage detection and visualization --- modeling and simulations