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132 (0,049s) •

Project

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

of relaxor ferroelectrics and magnetoelectric multiferroics. The current study of relaxor ferroelectrics will be extended (ceramics and possibly crystals and/or films of PbSc1/2Ta1 and magnetoelectric multiferroic...

BM - Fyzika pevných látek a magnetismus

  • 2006 - 2008
    • •
  • 4 065 tis. Kč
    • •
  • 4 065 tis. Kč
    • •
  • GA ČR
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-permittivity ferroelectric ceramics (PLZT, KxNa(1-x)Nb2O6 and SrxPb(1-x)TiO3) will be studied in a broad temperature interval (10-900 K) together with their w...

BM - Fyzika pevných látek a magnetismus

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

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

Relaxor behaviour occurs in chemically-substituted ferroelectrics due. In heterovalent-substituted (non charge-compensated) Ba-based perovskites, relaxor behaviour- to mesoscale in order to tune macroscopic dielectric prope...

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

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

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

Magnetoelectric relaxor multiferroics, materials which show simultaneous ferroelectric and magnetic ordering, exhibit also properties of spin and dipole glass or relaxor nonergodic phases due to nanoscale inhomogeneity indu...

BM - Fyzika pevných látek a magnetismus

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

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

Influence of electric field on dynamics of polar nanoclusters and the rise ferroelectric domains in relaxor ferroelectrics PLZT, PMN-PT, PZN-PT and SBN will be studied on lattice dynamics of relaxor and incommensur...

BM - Fyzika pevných látek a magnetismus

  • 2002 - 2005
    • •
  • 6 653 tis. Kč
    • •
  • 2 538 tis. Kč
    • •
  • AV 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 of alumina), in incipient ferroelectrics (KTaO3 nanoceram...

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)

ferroelectrics (based on SrTiO3 and KTaO3), relaxors and relaxor-like ferroelectrics (mostly based on PMN, PZN and SBN) and pure and doped classical ferroelectric BaTiO3 spectroscopy of high-permittivity ...

BM - Fyzika pevných látek a magnetismus

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

Current perspectives of ferroelectric domain interfaces (GA15-04121S)

of relaxor ferroelectrics. in modern ferroelectric materials. The research will be targeted to explore the nature and application potential of three recently reported discoveries: (i) ferroelectric......

BM - Fyzika pevných látek a magnetismus

  • 2015 - 2017
    • •
  • 8 359 tis. Kč
    • •
  • 8 359 tis. Kč
    • •
  • GA 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 ferroelectric and piezoelectric oxides with anisotropic tetragonal tungsten-bronze (TTB) structure, whose ferroelectric/relaxor properties can ...

BM - Fyzika pevných látek a magnetismus

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

Lattice dynamics of disordered ferroelectrics and antiferroelectrics (GA202/98/1282)

lattice dynamics aspects and manifestations of disorder will be studied in various disordered ferroelectric materials: ferroelectrics with order-disorder transitions, dipolar glasses, relaxor ferroelectrics, glasse...

BM - Fyzika pevných látek a magnetismus

  • 1998 - 2000
    • •
  • 6 940 tis. Kč
    • •
  • 3 160 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 132