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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.









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






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