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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.









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






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