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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.









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






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