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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.









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






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