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490 (0,101s) •

Project

Eletronic precesses in molecular materials (ME 270)

Exciton-phonon interactions in organic solids. Self-trapping processes. Infrared spectra of defect-free and polaron states of phthalocyanine molecules. Electroluminescence, photoluminescence and current-voltage characteristics of po...

BG - Jaderná, atomová a molekulová fyzika, urychlovače

  • 1998 - 2001
    • •
  • 2 133 tis. Kč
    • •
  • 1 150 tis. Kč
    • •
  • MŠMT
Project

Dielectric and phonon spectroscopy of nanocomposite dielectrics and conductors (GAP204/12/0232)

and phonon spectroscopic techniques. On one hand, from the point of view offundamental conductivity spectra near the electrical percolation threshold.......

BM - Fyzika pevných látek a magnetismus

  • 2012 - 2014
    • •
  • 7 833 tis. Kč
    • •
  • 7 833 tis. Kč
    • •
  • GA ČR
Project

Chaos in nonlinear electron-phonon quantum systems (GA202/06/0396)

Excited spectra of two-level models of Jahn-Teller type and of Klein-Gordon soliton class in a lattice with long-range nonlocal interactions exhibit level avoidings of considerable density, considered as a signature of quantum chaotic to inc...

BE - Teoretická fyzika

  • 2006 - 2008
    • •
  • 1 293 tis. Kč
    • •
  • 1 293 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 dielectric response. This allows investigation of low-frequency polar-phonon anomalies phonon range (central modes and other relaxations), and to get...

BM - Fyzika pevných látek a magnetismus

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

The theoretical and experimental study of the Al-Ge-Mg-Sn systems, application of novel 3rd generation data in CALPHAD-type thermodynamic modelling (GA22-22187S)

functions calculated by ab initio method and from phonon spectra. Two thermodynamic...

Physical chemistry

  • 2022 - 2024
    • •
  • 10 289 tis. Kč
    • •
  • 10 289 tis. Kč
    • •
  • GA ČR
Project

Dynamics and enharmonic soft modes in ferroelectric crystals (GA202/99/D066)

of the anharmonic phonons and central peaks in the infrared, Raman and neutron spectra...

BM - Fyzika pevných látek a magnetismus

  • 1999 - 2002
    • •
  • 989 tis. Kč
    • •
  • 490 tis. Kč
    • •
  • GA ČR
Project

Special glasses for optoelektronics (GA104/02/0799)

The project is concerned with the preparation of special glass systems, characterized by low phonon energy, and corresponding optical fibres that effectively transmit radiation beyond 2 um. The work will be concentrated on the preparation in...

CA - Anorganická chemie

  • 2002 - 2004
    • •
  • 6 131 tis. Kč
    • •
  • 2 509 tis. Kč
    • •
  • GA ČR
Project

Quantum fluctuations in nonlinear lattice electron-phonon models in one dimension (GA202/01/1450)

Analytical and numerical investigations of nonlinear lattice two-level electron -phonon systems (with Holstein, Peierls-Hubbard type of interaction) :a) Enhancement of quantum fluctuations of the electron-phonon density and of p...

BE - Teoretická fyzika

  • 2001 - 2003
    • •
  • 1 135 tis. Kč
    • •
  • 1 110 tis. Kč
    • •
  • GA ČR
Project

Lattice dynamics and dielectric studies of ferroelectric thin films (IAA1010604)

offers a newpossibility to study polar phonons, particularly soft modes. The measurement of dielectric spectra in broad spectral and temperature range using dielectric......

BM - Fyzika pevných látek a magnetismus

  • 1996 - 1998
    • •
  • 2 326 tis. Kč
    • •
  • 741 tis. Kč
    • •
  • AV ČR
Project

Physics of phononic interactions in solids for terahertz light generation (8J19FR006)

basic physical processes taking place in phononic THz generation in suitable materials we willapply both approaches (i) ab-initio modeling of vibron-phonon to emit THz coherent light by utilizing the vibron-phonon coupling...

Optics (including laser optics and quantum optics)

  • 2019 - 2020
    • •
  • 156 tis. Kč
    • •
  • 156 tis. Kč
    • •
  • MŠMT
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