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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.









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






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