Fyzikální ústav Akademie věd ČR

Seminars

Single-Molecule Junctions in Strong Optical Fields

Tuesday, 09.06.2015 10:00 - 11:00

Joachim Reichert (Physik Department, TU München, Germany)

In order to advance the development of unimolecular electronic devices (e.g. film devices) it is mandatory to improve understanding of electron transport and its loss mechanisms in single molecules. In this aspect, multi-parameter studies are required to provide more information on such systems.

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Metastable ferroelectric states in antiferroelectric PZT ceramics

Tuesday, 09.06.2015 14:00 - 15:00

Elena Buixaderas (Oddělení dielektrik, Fyzikální ústav AV ČR)

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Effects of thermal spin fluctuations on the electronic properties of itinerant magnets: Surprises from ab initio calculations

Tuesday, 09.06.2015 15:00 - 16:00

Kirill Belashchenko (University of Nebraska-Lincol)

Abstract: Thermal spin fluctuations are present in equilibrium in all magnetic materials. These fluctuations interact with electronic quasiparticles and induce temperature-dependent changes in such observables as the spectral densities, magnetocrystalline anisotropy, and transport properties. This talk will review surprising examples of such effects in metallic magnets found using first-principles calculations. Spin fluctuations are included in these calculations within the vector disordered local moment model.

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Angle-resolved photoemission spectra of Heusler alloys: Ni2MnGa as a case study

Tuesday, 16.06.2015 15:00

Václav Drchal (Department of Condensed Matter Theory, FZÚ AV ČR, v.v.i.)

Abstract: We have calculated the electronic structure and angle-resolved photoemission spectra of Heusler alloys from first principles using the TB-LMTO method. The disorder, caused either by non-stoichiometry, or by swapping of atoms between sublattices is treated within the CPA. Matrix elements are included within the dipole approximation.

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Past seminars
Introduction on Geant4: an all-particle Monte Carlo transport code 12.12.2011 15:00
Lucia Baťková Calibration of the determination of b-jet charge with dijet events in the ATLAS experiment 09.12.2011 13:30
prof. Jiří Chýla, CSc. Too fast neutrinos? 07.12.2011 15:00
Robert Dittmer & Wook Jo Recent progress in the research of lead-free piezoceramics at TU Darmstadt 07.12.2011 10:00
Laurent Bellaiche Ferroelectric vortices from atomistic simulations 06.12.2011 10:00
Hans Ulrich Fuchs A Dynamical Theory of Heat – Using and Understanding Thermodynamics 01.12.2011 14:00
Lars Bergqvist Suppression of Standing Spin Waves in Low-dimensional Ferromagnets 29.11.2011 15:00
Prof. Dr. Lukas M. Eng Multiferroics: Wide-bandgap semiconductors with challenging applications 24.11.2011 15:00
Ingo Dierking Polymer stabilized liquid crystals 18.11.2011 10:00
Ivan Štich Quantum Monte-Carlo modeling of electronic correlation: Gound- and excited electronic states 15.11.2011 15:00
R. Turanský and I. Štich Azobenzene: From electronic structure to molecular switching 14.11.2011 15:00
Vojtěch Kundrát The TOTEM experiment - Measurement of elastic and total cross section at the energy of 7 TeV 11.11.2011 13:30
Dr. Roman V. Yusupov Experimental manifestations of the Nb4+ O- polaronic excitons in KTa(1-x)Nb(x)O(3): Photo-induced EPR and optical absorption. 11.11.2011 10:00
Vlastimil Křápek Dynamical mean field modeling of LaCoO3 10.11.2011 14:00
František Slanina Spectra and localization in random graphs 08.11.2011 15:00
Xavier Marti Quo Vadis Spintronics? 08.11.2011 10:00
Marcus Kollar Correlated electrons in nonequilibrium 03.11.2011 15:00
Adam Sweetman Atom manipulation and sub-molecular imaging using qPlus NC-AFM 02.11.2011 14:00
Joachim Krug Records in a changing world 01.11.2011 14:00
Dr. Christian David Diffractive optics for imaging on x-ray tubes, synchrotrons, and free-electron lasers 27.10.2011 10:00
Venkatesan Jambunathan Ho doped potassium rare earth double tungstate laser operating around 2.1 μm 26.10.2011 11:00
Jakub Šebera Quantum Chemistry Study of Porphyrin and Phthalocyanine Systems within DFT Methods 25.10.2011 15:00
Nicoleta Nicoara Structural and electronic properties of PTCDA organic molecules on semiconductor surfaces 25.10.2011 10:00
Jiří Chýla Principal results from LHC: reflections from summer conferences 21.10.2011 13:30
Jan Hladký Golden seventies in particle physics (our beginnings IV) - Electronic experiments at CERN and IHEP Serpukhov (via LHE, JINR Dubna) 20.10.2011 15:00
E. Hulicius, J.J. Mareš, F. Kadlec Transport properties of GaN doped with Fe 19.10.2011 15:00
Pavel Augustinský Stability of Fermi liquid with respect to dynamical fluctuations in strongly correlated electron systems 18.10.2011 15:00
Rüdiger-A. Eichel Interplay between defect structure and piezoelectric properties of Pb[Zr,Ti]O3 and ‘lead-free’ alternative compounds 18.10.2011 10:00
Miloš V. Lokajíček Quantum physics without observers and paradoxes? 13.10.2011 15:00
Christian Teichert AFM based characterization of inorganic and organic semiconductor nanostructures 13.10.2011 14:00

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