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Article
Open AccessX-Ray Phase Contrast Tomography Reveals Early Vascular Alterations and Neuronal Loss in a Multiple Sclerosis Model
The degenerative effects of multiple sclerosis at the level of the vascular and neuronal networks in the central nervous system are currently the object of intensive investigation. Preclinical studies have dem...
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Article
Open AccessQuantitative 3D investigation of Neuronal network in mouse spinal cord model
The investigation of the neuronal network in mouse spinal cord models represents the basis for the research on neurodegenerative diseases. In this framework, the quantitative analysis of the single elements in...
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Article
Two-Dimensional Nanogranularity of the Oxygen Chains in the YBa2Cu3O6.33 Superconductor
The organization of dopants in high-temperature superconductors provides complex topological geometries that control superconducting properties. This makes the study of dopants’ spatial distribution of fundame...
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Article
High-Temperature Superconductivity in a Hyperbolic Geometry of Complex Matter from Nanoscale to Mesoscopic Scale
While it was known that high-temperature superconductivity appears in cuprates showing complex multiscale phase separation due to inhomogeneous charge density wave (CDW) order, the spatial distribution of CDW ...
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Article
Inhomogeneity of charge-density-wave order and quenched disorder in a high-Tc superconductor
Micro X-ray diffraction imaging of the spatial distribution of charge-density-wave puddles and quenched disorder in HgBa2CuO4 + y reveals a complex, inhomogeneous spatial landscape due to the interplay between ch...
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Article
CDW and Similarity of the Mott Insulator-to-Metal Transition in Cuprates with the Gas-to-Liquid-Liquid Transition in Supercooled Water
New advances in X-ray diffraction, extended X-ray absorption fine structure (EXAFS), and X-ray absorption near edge structure (XANES) using synchrotron radiation have now provided compelling evidence for a sho...
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Article
Status of the crystallography beamlines at Elettra
Elettra is one of the first 3rd-generation storage rings, recently upgraded to routinely operate in top-up mode at both 2.0 and 2.4 GeV. The facility hosts four dedicated beamlines for crystallography, two ope...
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Article
Open AccessAn Optimized Table-Top Small-Angle X-ray Scattering Set-up for the Nanoscale Structural Analysis of Soft Matter
The paper shows how a table top superbright microfocus laboratory X-ray source and an innovative restoring-data algorithm, used in combination, allow to analyze the super molecular structure of soft matter by ...
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Article
Open AccessControlling the Cassie-to-Wenzel Transition: an Easy Route towards the Realization of Tridimensional Arrays of Biological Objects
In this paper we provide evidence that the Cassie-to-Wenzel transition, despite its detrimental effects on the wetting properties of superhydrophobic surfaces, can be exploited as an effective micro-fabricatio...
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Article
Temperature Dependence of \(\sqrt{2} \times \sqrt{2}\) Phase in Superconducting K0.8Fe1.6Se2 Single Crystal
We report the structural phase transition properties of the newly discovered K0.8Fe1.6Se2 superconductor (T c =31.8 K) using synchrotron single-crystal X...
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Article
Imaging Spatial Ordering of the Oxygen Chains in YBa2Cu3O6+y at the Insulator-to-Metal Transition
It is known that the mobile oxygen ions, y, in the basal plane of YBa2Cu3O6+y (0.33<y<0.67) form oxygen chains needed to create the metallic phase in the CuO2 layers. Here we visualize th...
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Article
Phase Separation in Electron Doped Iron-Selenide K0.8Fe1.6Se2 Superconductor by Scanning X-ray Nano-Diffraction
A new family of high temperature superconductors, the heavily electron doped iron-selenides, like K0.8Fe1.6Se2, has been attracting high interest since they show both 30 K superconductivity, with missing hole poc...
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Article
Local Structure in Mg1−x Al x B2 System by High Resolution Neutron Diffraction
The local structure in high temperature superconductors is nowadays considered a key point for understanding superconductivity mechanism. MgB2 has a well-known simple structure; but its local structure remains qu...
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Article
Reconstitution of aluminium and iron core in horse spleen apoferritin
This study investigates the uptake of iron and aluminium by apoferritin. In particular, we provide the first evidence that apoferritin is able to bind in vitro the physiological form of aluminium, Al(OH)4 ...
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Article
A Model for Liquid-Striped Liquid Phase Separation in Liquids of Anisotropic Polarons
The phase separation between a striped polaron liquid at the particular density and a high density polaron liquid is described by a modified Van der Waals scheme. The striped polaron liquid represents the pseu...
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Article
Manipulation of Mesoscopic Phase Separation by X-ray Illumination
High resolution synchrotron X-ray diffraction is used to study the dynamics of oxygen ordering in a La2CuO4.08 single crystal as a function of the temperature and of the photon flux. We have observed the occurre...
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Article
Local Lattice Dynamics in the Mg0.5Al0.5B2 Superconductor
We have studied temperature evolution of the local as well as the average crystal structure of MgB2 and Mg0.5Al0.5B2 using real-space atomic pair distribution function (PDF) measured by high resolution neutron p...
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Article
Study of temperature dependent atomic correlations in MgB2
We have studied temperature evolution of the local as well as the average crystal structure of MgB2 using real-space atomic pair distribution function (PDF) measured by high resolution neutron powder diffraction...
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Chapter and Conference Paper
A Case of Complex Matter: Coexistence of Multiple Phase Separations in Cuprates
A modified Van der Waals scheme for cuprates to give the co-existence of multiple phase separations in cuprates is presented. The model includes the tendency of charge carriers to form anisotropic directional ...
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Article
T c as a Function of Electron Do** in Mg10B2 Using Sc for Mg Substitution
We have studied the variation of superconducting critical temperature T c as a function of electron do** in the Mg10B2 system using Sc for Mg substitution. The critical temperature in the10B iso...
