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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.









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






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