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Research topics of the PhD program in Materials Science and Technology

1. Magnetic materials

  • Nanostructured and massive magnetic materials for applications in the field of high density magnetic recording, sensors and magnetic refrigeration: preparation and characterization. Study of the influence of morphological properties and of micro- and nano-structure on magnetic, magnetocaloric and magnetotransport properties
  • Magnetic materials with reduced dimensions: magnetic multilayers, molecular nano-magnets

2. High electronic correlation materials

  • Superconductivity, magnetism, multiferroic materials
  • Synthesis and characterization of metastable materials with high electronic correlation in high pressure conditions (piston-cylinder, multi-anvil, hydrothermal)
  • Model systems for the study of ordering mechanisms (charge, orbital, spin)
  • Structure-property correlation

3. Nanodiagnostics techniques

  • Development of analytical, image, lithographic and manipulation methodologies for the study on nanoscale scale of the structural, optical, transport, magnetic and chemical properties of materials for applications in the field of nanosciences

4. Nanostructured materials

  • Nanostructured organic-inorganic hybrid materials: preparation, study and functionalization. Optimization of functional properties through the construction and characterization of prototype test devices
  • Growth of one-dimensional self-organized nanometric structures for (bio-)sensor, photovoltaic, optoelectronic, nanoelectronic applications: nanostructures of metal oxides, silicon carbide nanowires. Morphological, chemical, structural, magnetic, optical and electrical characterization
  • Nanostructured materials based on carbon: nanotubes, fullerenes and graphenes

5. Innovative photovoltaic devices

  • Devices obtained by epitaxial growth and thin-film deposition techniques: epitaxial growth of structures based on crystalline germanium for thermophotovoltaic generators and for high efficiency multiple junction photovoltaic cells. Growth by pulsed electron beam deposition technique based on CuGaInSe thin-film devices. Development of techniques based on photoluminescence and electron microscopy to measure quantum efficiency, wearers' lifetimes and surface recombination velocity
  • Photovoltaic technologies in the field of distributed microgeneration
  • Dye-sensitized solar cells (DSSC): deposition techniques of nanostructured ceramic semiconductors on rigid and flexible substrates; new nanostructured materials for anodes, electrolytes and cathodes; sealing systems

6. Massive crystals of semiconductor compounds (such as CdTe and CdZnTe)

  • Growth and characterization of optical, electrical and photoconductive properties
  • Study of the properties of electrical contacts
  • Preparation and characterization of prototype devices, in particular for X-ray detection

7. Wide band gap semiconductors for photovoltaic, photoelectric and power electronics applications

  • Epitaxial deposition (MOVPE) of semiconductor oxides (epsilon-Ga2O3) and doping methods (type n)
  • Study of electrical contacts in semiconductor oxides (epsilon-Ga2O3), as-grown and intentionally doped
  • Study of optical, electrical and transport properties in as-grown and intentionally doped semiconductor oxides (epsilon-Ga2O3 type-n)
  • Study of thin films of 4H-SiC, dopants for ion implantation with conductivity of type p and n, and junction devices
  • Tetrahedral-coordination semiconductors for photovoltaic applications

8. Self-assembling polymers

  • Design and synthesis of reversible polymeric materials whose formation / fragmentation can be activated via a bimodal self-assembly of a coordinative (or H-bonding) type and via host-guest interactions
  • Study of self-healing properties of these compounds and of the possibility of obtaining auxiliary materials, i.e. materials that have the property of laterally expanding under longitudinal stretching (negative Poisson ratio)

9. Integrated sensors on silicon

  • Integrated sensors of chimossalinic / MOS cavities on Si wafers for the environmental monitoring of benzene
  • Molecular-recognition fluorescent sensors for the selective detection of alcohols in complex mixtures
  • Molecular printboards of phosphonate cavitates on Si for the detection of proteins

10. New supported molecular materials (organic-inorganic hybrids) or self-assembled

  • Design, synthesis
  • study of properties as catalysts for eco-compatible synthetic processes or as supramolecular devices for applications in nanosciences and nano(bio)technologies

11. Functional molecular materials

  • Stability and multistability phenomena in molecular materials: spectroscopic analysis and modeling of molecular systems with intra and/or intermolecular charge transfer. Electron-phonon interaction as a source of multistability. Phase transitions, coexistence of phases, domains, metastability. Photoinduced phase transitions
  • Molecular materials for applications in photonics and electronics. Spectroscopic characterization and modeling of functional molecular materials. Supramolecular and surrounding interactions. Cooperative and collective phenomena
  • Electronic-optical spectroscopy (absorption and fluorescence) and vibrational (micro) IR and micro-Raman spectroscopy, even at low temperature or in diamond anvil cell

12. Biomaterials

  • Design, synthesis and characterization of powders and processes for the production of bioceramics and composite materials for the following applications: implants for bone, vascular and soft-tissue regeneration; prosthetic ceramics; hybrid nanocomposite materials for the regeneration of multifunctional anatomical regions; drug delivery systems; biomorphic transformations; bone cements, antibacterial applications

13. Ceramic and composite materials for energy and the environment

  • Design and optimization of processes for solid oxide fuel cells (SOFC) and solid oxide electrolyzer cells (SOEC)
  • High temperature materials and membranes for carbon capture and gas separation (O2, CO2 and H2)
  • Piezoelectric and multiferroic systems for energy storage and detection
  • Ultra-refractory solar absorbers for CSP systems.

14. High-tech, industrial, structural and functional ceramics

  • Structures, films and surfaces with functional properties: controlled multiscale porosity, superhydrophobicity, anti-freezing, anti-fouling, antibacterial, self-cleaning, photo-catalytic, etc.
  • Nanosecurity: nanostructures for safety and biocatalytics.
  • Design, synthesis and characterization of structural ceramics (powders, monoliths, composites, fiber-reinforced, ...) for mechanical applications (anti-wear, cutting tools, ballistic protections), applications at ultrahigh temperature and in extreme environments (thermal protection, anti-corrosion and anti-ablation ceramics).
  • Transparent ceramics for solid state lasers, windows for spectroscopy and IR sensors, transparent armature technology
  • Geopolymeric and chemically linked ceramics such as filters, catalytic supports, heat exchangers, insulating panels, and for the valorisation of waste
  • Ceramic pigments and digital decoration
  • Technological process and technical process, raw materials and waste recycling
  • Archaeometry, diagnostics and conservation: innovative materials and techniques

 

 

 

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Pubblicato Tuesday, 29 October, 2019 - 15:47 | ultima modifica Wednesday, 30 October, 2019 - 10:52