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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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Layered compounds AC switch Atomic force microscopy Numerical modeling Zinc oxide Thin films Transducers Nanogenerators High pressure Thin film growth Mechanical properties Sputtering Oxides Higher education X-ray diffraction Nanogénérateurs piézoélectriques Magnetization dynamics Electrodes CMUT MEMS Piezoelectrics Dielectric properties Imaging Ferroelectrics Capacitance Electron microscopy Thermal conductivity Reliability Piezoelectric nanogenerators Crystal growth Characterization Finite element method Multiferroics Etching Smart grid Piezoelectric properties Epitaxy Raman spectroscopy Condensed matter properties Porous materials Modélisation ZnO nanowires Piézoélectricité Light diffraction Individual housing Colossal permittivity Ultrasound Electronic structure Nanogenerator Hydrothermal synthesis Precipitation CCTO Disperse systems Electrical properties Strain Hyperbolic law Pulsed laser deposition Mesoporous silicon Domain walls Lamb waves Porous silicon Thermoelectric Piezoelectric Nanowires LPCVD Acoustics Crystallography Composites Demand side management Electrical resistivity Nanoparticles Resonant frequency Electrochemical etching Attractiveness of education Materials Micromachining Elasticity Organic solar cell Resistive switching Raman scattering COVID-19 High frequency Ferroelectricity Piezoelectric materials Diffraction optics Ceramics Récupération d'énergie Phononic crystals Microwave frequency Chemical vapor deposition Modeling Energy harvesting Spark plasma sintering Phase transitions 3C–SiC Doping Silicon Quality factor Piezoelectricity Crystal structure



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