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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.









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






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