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GREMAN is a research laboratory on materials, microelectronics, acoustics and nanotechnology of the University of Tours, CNRS and INSA Centre Val de Loire created January 1st 2012 by the merging of several groups located in Tours and Blois, France. Its expertise covers the value chain from materials science up to devices (components, sensors, transducers ...) and their integration. Fields such as electrical energy efficiency, power microelectronics and the use of ultrasonic waves are particularly targeted, for applications in industry, health and nomadic apparatus.

The activities of GREMAN are focused on four priority topics :

  • Functional oxides for energy efficiency: combinatory synthesis and nanostructuration.
  • Magnetic and optical properties of ferroic and electronic correlation materials.
  • Ultrasonic instrumentation and characterisation.
  • Energy, component, systems, microelectronics.




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Thin films Annealing Crystallography Raman scattering Thermoelectrics Doping LPCVD Piezoelectric materials Raman spectroscopy Domain walls Ceramics Adsorption CCTO Nanogénérateurs piézoélectriques Modélisation AC switch Electronic structure Reliability Ferroelectrics Resistive switching Layered compounds Nanogenerator Sputtering Disperse systems Zinc oxide Magnetization dynamics Dielectric properties Finite element method Thin film growth Piézoélectricité Electrical properties Condensed matter properties Multiferroics Composites Electron microscopy Thermal conductivity Acoustics Diffraction optics Characterization Microwave frequency Aluminium ZnO Energy harvesting Phase transitions Organic solar cell Materials Acoustic waves Imaging Smart grid Time-dependent density functional theory Chemical vapor deposition 3C–SiC Higher education Mechanical properties Piezoelectricity CMUT Micromachining Porous silicon Strain Demand side management Colossal permittivity Active filters Nanowires Ferroelectricity Atomistic molecular dynamics Light diffraction Nanoparticles Numerical modeling Thin film deposition Attractiveness of education Electrochemical etching Precipitation Spark plasma sintering Mesoporous silicon Etching Electrodes ZnO nanowires Piezoelectric properties Porous materials High pressure Récupération d'énergie Silicon Electrical resistivity Modeling Atomic force microscopy Crystal structure Elasticity Piezoelectric Silicon devices Individual housing Crystal growth Hydrothermal synthesis Oxides X-ray diffraction Transducers Epitaxy Ultrasound Piezoelectric nanogenerators Hyperbolic law Capacitance






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