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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.









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






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