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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.









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






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