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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.









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






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