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253 (0,176s) •

Project

Lattice dynamics and dielectric behaviour of high permittivity ferroelectric and relaxor-ferroelectric perovskites (IAA100100701)

Raman spectra of some important and perspective relaxor and standard high dielectric response. This allows investigation of low-frequency polar-phonon anomalies (soft modes) in combination with additional dielectric dispers...

BM - Fyzika pevných látek a magnetismus

  • 2007 - 2009
    • •
  • 813 tis. Kč
    • •
  • 813 tis. Kč
    • •
  • AV ČR
Project

Broad-band dielektric spectroscopy of relaxor ferroelectrics and multiferroics (GA202/06/0403)

This project concerns broad-band dielectric spectroscopy and lattice dynamics of relaxor ferroelectrics and magnetoelectric multiferroics. The current study of relaxor and magnetoelectric multiferroics BiFeO3, PbFe2/3W1/3O3...

BM - Fyzika pevných látek a magnetismus

  • 2006 - 2008
    • •
  • 4 065 tis. Kč
    • •
  • 4 065 tis. Kč
    • •
  • GA ČR
Project

Complex dielectric response of high permitivity materials with nanoscopic order (IAA1010213)

ferroelectric domains in relaxor ferroelectrics PLZT, PMN-PT, PZN-PT and SBN will be studied by means of complex dielectric response. The measurements will be performed on lattice dynamics of relaxor and incommensurate fer...

BM - Fyzika pevných látek a magnetismus

  • 2002 - 2005
    • •
  • 6 653 tis. Kč
    • •
  • 2 538 tis. Kč
    • •
  • AV ČR
Project

Lattice dynamics and dielectric response of tetragonal tungsten-bronze oxides (GA16-09142S)

The project will study the lattice dynamics and dielectric behaviour of several) structure, whose ferroelectric/relaxor properties can be easily controlled GHz) dielectric spectroscopy, and complemented by inelastic neutron...

BM - Fyzika pevných látek a magnetismus

  • 2016 - 2020
    • •
  • 3 952 tis. Kč
    • •
  • 3 742 tis. Kč
    • •
  • GA ČR
Project

Size effect in ferroelectrics (KJB100100704)

The influence of the size effect on dielectric and ferroelectric properties will be studied in ordinary ferroelectrics (like BaTiO3 nanoparticles coated with a shell ultrathin films on DyScO3 substrate) and in relaxor based ferroele...

BM - Fyzika pevných látek a magnetismus

  • 2007 - 2009
    • •
  • 792 tis. Kč
    • •
  • 792 tis. Kč
    • •
  • AV ČR
Project

Dielectric response of nano-inhomogenous high-permittivity systems (GA202/04/0993)

This project is concerned with lattice dynamics and wide-band dielectric spectroscopy of high-permittivity materials based on ferroelectrics and related substances ferroelectrics (based on SrTiO3 and KTaO3), relaxors and relaxor...

BM - Fyzika pevných látek a magnetismus

  • 2004 - 2006
    • •
  • 3 615 tis. Kč
    • •
  • 3 615 tis. Kč
    • •
  • GA ČR
Project

Polarization Decorrelation Regions in Perovskite Relaxors (GF20-20326L)

- to mesoscale in order to tune macroscopic dielectric properties in these relaxorsRelaxor behaviour occurs in chemically-substituted ferroelectrics due to the disruption of the long-range correlation of cation displacement...

Condensed matter physics (including formerly solid state physics, supercond.)

  • 2020 - 2023
    • •
  • 6 773 tis. Kč
    • •
  • 6 674 tis. Kč
    • •
  • GA ČR
Project

Piezoelectrics and multiferroics for future electronics (LD15014)

The general aim of the project is to understand the intrinsic and extrinsic factors which enhance the piezoelectric and dielectric properties of ferroelectric and relaxor materials, in order to find better replacements able to work ...

BM - Fyzika pevných látek a magnetismus

  • 2015 - 2017
    • •
  • 1 512 tis. Kč
    • •
  • 1 512 tis. Kč
    • •
  • MŠMT
Project

Magnetic, ferroelectric and relaxor properties and their cross coupling in relaxor perovskite multiferroics (GA13-11473S)

Magnetoelectric relaxor multiferroics, materials which show simultaneous or relaxor nonergodic phases due to nanoscale inhomogeneity induced by ionic site will be determined in the family of relaxor multiferoics based on Pb...

BM - Fyzika pevných látek a magnetismus

  • 2013 - 2016
    • •
  • 13 960 tis. Kč
    • •
  • 13 960 tis. Kč
    • •
  • GA ČR
Project

Electromechanical properties of aadvanced ferroelectrics materials (GA202/07/1289)

The objectives of the project are investigations of electromechanical properties of the dielectric inhomogeneous structures. Besides PZT ceramics, the attention will be paid to advanced ferroelectric materials as lead-free ceramics and r...

BM - Fyzika pevných látek a magnetismus

  • 2007 - 2009
    • •
  • 2 963 tis. Kč
    • •
  • 2 743 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 253