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View article: Toward the optimization of SiO2 and TiO2-based metamaterials: Morphological, Structural, and Optical characterization
Toward the optimization of SiO2 and TiO2-based metamaterials: Morphological, Structural, and Optical characterization Open
In recent years, metamaterials have emerged as a crucial technology for designing sub-wavelength thick optical components capable of performing various optical functions. Among the others, these nanostructures could be employed to tune the…
View article: Optimizing nanostructure deposition process for optical applications
Optimizing nanostructure deposition process for optical applications Open
In many physics and engineering applications requiring exceptional precision, the presence of highly reflective coatings with low thermal noise is of utmost significance. These applications include high‐resolution spectroscopy, optical ato…
View article: Morphology and Mechanics of Star Copolymer Ultrathin Films Probed by Atomic Force Microscopy in the Air and in Liquid
Morphology and Mechanics of Star Copolymer Ultrathin Films Probed by Atomic Force Microscopy in the Air and in Liquid Open
Star copolymer films were produced by using spin-coating, drop-casting, and casting deposition techniques, thus obtaining ultrathin and thick films, respectively. The morphology is generally flat, but it becomes substrate-dependent for ult…
View article: Morphology and Mechanics of Star Copolymer Films Probed by AFM in Air and in Liquid
Morphology and Mechanics of Star Copolymer Films Probed by AFM in Air and in Liquid Open
Star copolymer films were studied for confirming the role of film morphology in antimicrobial activity previously reported. With this scope, films of a two-branches copolymer, namely m-PEG-(MMA-ran-DMAEMA)2, containing ≈ 40 % in mol of non…
View article: Role of substrate and TiO<sub>2</sub> content in TiO<sub>2</sub>:Ta<sub>2</sub>O<sub>5</sub> coatings for gravitational wave detectors
Role of substrate and TiO<sub>2</sub> content in TiO<sub>2</sub>:Ta<sub>2</sub>O<sub>5</sub> coatings for gravitational wave detectors Open
Gravitational wave detectors (GWDs) are designed to detect the elusive signals produced by spacetime ripples, the GWs. The key to improving GWD sensitivity relies on the reduction of the thermal noise introduced by the mirrors. The high re…
View article: Imaging the Quantum Capacitance of Strained MoS2 Monolayers by Electrostatic Force Microscopy
Imaging the Quantum Capacitance of Strained MoS2 Monolayers by Electrostatic Force Microscopy Open
We implemented radio frequency-assisted electrostatic force microscopy (RF-EFM) to investigate the electric field response of biaxially strained molybdenum disulfide (MoS2) monolayers (MLs) in the form of mesoscopic bubbles, produced via h…
View article: Mechanical, Elastic, and Adhesive Properties of Two‐Dimensional Materials: From Straining Techniques to State‐of‐the‐Art Local Probe Measurements
Mechanical, Elastic, and Adhesive Properties of Two‐Dimensional Materials: From Straining Techniques to State‐of‐the‐Art Local Probe Measurements Open
2D materials, such as graphene, hexagonal boron nitride (hBN), and transition‐metal dichalcogenides (TMDs), are intrinsically flexible, can withstand very large strains (>10% lattice deformations), and their optoelectronic properties displ…
View article: A New Approach to Supramolecular Structure Determination in Pharmaceutical Preparation of Self-Assembling Peptides: A Case Study of Lanreotide Autogel
A New Approach to Supramolecular Structure Determination in Pharmaceutical Preparation of Self-Assembling Peptides: A Case Study of Lanreotide Autogel Open
The supramolecular structure in peptides’ prolonged-released gel formulations is the most critical parameter for the determination of the pharmaceutical profile of the drug. Here, we report our investigation on lanreotide Autogel as a case…
View article: Exceptional Elasticity of Microscale Constrained MoS<sub>2</sub> Domes
Exceptional Elasticity of Microscale Constrained MoS<sub>2</sub> Domes Open
The outstanding mechanical performances of two-dimensional (2D) materials make them appealing for the emerging fields of flextronics and straintronics. However, their manufacturing and integration in 2D crystal-based devices rely on a thor…
View article: Emergence and Evolution of Crystallization in TiO2 Thin Films: A Structural and Morphological Study
Emergence and Evolution of Crystallization in TiO2 Thin Films: A Structural and Morphological Study Open
Among all transition metal oxides, titanium dioxide (TiO2) is one of the most intensively investigated materials due to its large range of applications, both in the amorphous and crystalline forms. We have produced amorphous TiO2 thin film…
View article: Multimaterial Coatings Design via Exhaustive Search for Gravitational Wave Detectors
Multimaterial Coatings Design via Exhaustive Search for Gravitational Wave Detectors Open
In this work we analyze coatings for gravitational wave detector mirrors obtained by sequencing dielectric layers, with fixed thicknesses, made of three different materials (ternary sequences). Two materials are chosen non-dissipative, i.e…
View article: Nanoscale Measurements of Elastic Properties and Hydrostatic Pressure in H<sub>2</sub>‐Bulged MoS<sub>2</sub> Membranes
Nanoscale Measurements of Elastic Properties and Hydrostatic Pressure in H<sub>2</sub>‐Bulged MoS<sub>2</sub> Membranes Open
The combination of extremely high stiffness and bending flexibility with tunable electrical and optical properties makes van der Waals transition metal dichalcogenides appealing both for fundamental science and applied research. By taking …
View article: Progress towards innovative and energy efficient logic circuits
Progress towards innovative and energy efficient logic circuits Open
The integration of superconductive nanowire logic memories and energy efficient computing Josephson logic is explored. Nanowire memories are based on the integration of switchable superconducting nanowires with a suitable magnetic material…
View article: Engineered creation of periodic giant, non-uniform strains in MoS2 monolayers
Engineered creation of periodic giant, non-uniform strains in MoS2 monolayers Open
The realization of ordered strain fields in two-dimensional crystals is an intriguing perspective in many respects, including the instauration of novel transport regimes and the achievement of enhanced device performances. In this work, we…
View article: Engineered creation of periodic giant, non-uniform strains in MoS2\n monolayers
Engineered creation of periodic giant, non-uniform strains in MoS2\n monolayers Open
The realization of ordered strain fields in two-dimensional crystals is an\nintriguing perspective in many respects, including the instauration of novel\ntransport regimes and the achievement of enhanced device performances. In this\nwork,…
View article: Proximity-Induced Superconductivity in Monolayer MoS<sub>2</sub>
Proximity-Induced Superconductivity in Monolayer MoS<sub>2</sub> Open
Proximity effects in superconducting normal (SN) material heterostructures with metals and semiconductors have long been observed and theoretically described in terms of Cooper pair wave functions and Andreev reflections. Whereas the semic…
View article: The Effects of Atomic-Scale Strain Relaxation on the Electronic Properties of Monolayer MoS<sub>2</sub>
The Effects of Atomic-Scale Strain Relaxation on the Electronic Properties of Monolayer MoS<sub>2</sub> Open
The ability to control nanoscale electronic properties by introducing macroscopic strain is of critical importance for the implementation of two-dimensional (2D) materials into flexible electronics and next-generation strain engineering de…
View article: Quantitative magnetic force microscopy using calibration on superconducting flux quanta
Quantitative magnetic force microscopy using calibration on superconducting flux quanta Open
We present a new procedure that takes advantage of the magnetic flux quantization of superconducting vortices to calibrate the magnetic properties of tips for magnetic force microscopy (MFM). Indeed, a superconducting vortex, whose quantiz…
View article: Piezoelectricity and charge trapping in ZnO and Co-doped ZnO thin films
Piezoelectricity and charge trapping in ZnO and Co-doped ZnO thin films Open
Piezoelectricity and charge storage of undoped and Co-doped ZnO thin films were investigated by means of PiezoResponse Force Microscopy and Kelvin Probe Force Microscopy. We found that Co-doped ZnO exhibits a large piezoelectric response, …
View article: Superconducting Vortex‐Antivortex Pairs: Nucleation and Confinement in Magnetically Coupled Superconductor‐Ferromagnet Hybrids
Superconducting Vortex‐Antivortex Pairs: Nucleation and Confinement in Magnetically Coupled Superconductor‐Ferromagnet Hybrids Open
Superconducting vortices are a well known class of vortices, each of them carrying a single magnetic flux quantum. In this chapter the authors present the results of low temperature Magnetic Force Microscopy experiments to investigate the …
View article: Observation of superconducting vortex clusters in S/F hybrids
Observation of superconducting vortex clusters in S/F hybrids Open
While Abrikosov vortices repel each other and form a uniform vortex lattice in bulk type-II superconductors, strong confinement potential profoundly affects their spatial distribution eventually leading to vortex cluster formation. The con…