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395 (0,131s) •

Project

Spectroscopy and novel phenomena in complex-doped perovskite-like materials (GA202/00/1425)

doping of these materials influence very conspicuously their physical properties; e.g., very recently, we have observed unusual properties in single and double doped incipient ferroelectrics with off centers (copper co-doped

BM - Fyzika pevných látek a magnetismus

  • 2000 - 2002
    • •
  • 2 757 tis. Kč
    • •
  • 1 912 tis. Kč
    • •
  • GA ČR
Project

Optical spectroscopy of doped ferroelectric thin films and crystals (GP202/02/D072)

Thin films and single crystals of incipient ferroelectrics SrTiO3 and KtaO3, structurally related ferroelectrics BaTiO3 and PbTiO3, and their solid solutions doped with structural active admixtures (Li, Nb, Ta, Ca, Cu) as well lumin...

BM - Fyzika pevných látek a magnetismus

  • 2002 - 2005
    • •
  • 646 tis. Kč
    • •
  • 646 tis. Kč
    • •
  • GA ČR
Project

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

based on PMN, PZN and SBN) and pure and doped classical ferroelectric BaTiO3This project is concerned with lattice dynamics and wide-band dielectric spectroscopy of high-permittivity materials based on ferroelectrics and related su...

BM - Fyzika pevných látek a magnetismus

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

Ion Beam Analysis study of crystalline structures (KJB100480601)

Main aim of the project is the characterization of the structures based on LiTaO3, single crystal SrTiO3, BaTiO3 and KTaO3 doped Pb, Mg materials using ion beam analysis. Crystalline structures investigated in this research are very...

BG - Jaderná, atomová a molekulová fyzika, urychlovače

  • 2006 - 2008
    • •
  • 793 tis. Kč
    • •
  • 793 tis. Kč
    • •
  • AV ČR
Project

*Piezoelectric ceramics of new generation (FR-TI2/165)

-KNbO3 andNa0.5Bi0.5TiO3-BaTiO3, which will be doped by various elements. 3)Research...

BM - Fyzika pevných látek a magnetismus

  • 2010 - 2013
    • •
  • 8 054 tis. Kč
    • •
  • 6 000 tis. Kč
    • •
  • MPO
Project

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

Relaxor behaviour occurs in chemically-substituted ferroelectrics due to the disruption of the long-range correlation of cation displacements. Substitution can be performed either with homovalent or heterovalent cations. Then either non-polar regions...

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

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

Domain engineering in ferroelectric materials (GA202/02/1006)

been observed also for BaTiO3 crystals poled in [001] and [111] direction. Main aim crystals belonging to the various ferroelectric species (BaTiO3, KNbO3, PbTiO3 etc......

BM - Fyzika pevných látek a magnetismus

  • 2002 - 2004
    • •
  • 2 520 tis. Kč
    • •
  • 1 519 tis. Kč
    • •
  • GA ČR
Project

Domain phenomena in ferroic crystals (GA202/06/0411)

smaller, have been observed also in BaTiO3 crystals poled along [001]- or [111 in ferroelectric crystals belonging to the various ferroelectric species (BaTiO3, KNbO3, LiTaO3......

BM - Fyzika pevných látek a magnetismus

  • 2006 - 2008
    • •
  • 3 625 tis. Kč
    • •
  • 3 625 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 of alumina), in incipient ferroelectrics (KTaO3 nanoceramisc and SrTiO3 str...

BM - Fyzika pevných látek a magnetismus

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

Spectroscopy and spectroelectrochemistry of chemically doped carbon nanostructures (IAA400400911)

and/or electrochemical doping. The prepared chemically doped materials will be characterised by Raman, Vis-NIR and X-ray photoelectron spectroscopy. The electrochemical doping......

CG - Elektrochemie

  • 2009 - 2012
    • •
  • 3 307 tis. Kč
    • •
  • 3 307 tis. Kč
    • •
  • AV ČR
  • 1 - 10 out of 395