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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.









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






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