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
Dr. Y. J. Dappe An accurate DFT-based method for the treatment of weak and van der Waals interactions : the LCAO-S2+vdW formalism 25.05.2010 10:00
Pavel Středa Anomalous Hall conductivity: local orbitals approach 24.05.2010 16:00
Jean Zinn-Justin Path integrals in physics: the main achievements 20.05.2010 15:00
Katarzyna Roszak Non-Markovian noise at the Fermi edge singularity in quantum dots 18.05.2010 15:00
Michael Unger Studies of the Cosmic Ray Composition with the Pierre Auger Observatory 18.05.2010 14:00
Krzysztof Jakubczak Ultrafast soft x-ray beamline at PALS 12.05.2010 14:00
Roman Gröger Mezoskopický popis strukturálních fázových transformací v materiálech s variabilní dislokační hustotou 12.05.2010 10:00
Josef Klusoň (Masarykova univerzita, Brno and CERN, Geneva) Gravity or Thermodynamics or what E. Verlinde says 10.05.2010 15:00
Prof. Chen-Ti Hu and Yuan-Hong Lo Fe-Pd-X shape memory alloys and their properties 06.05.2010 10:00
Frank Grosse, Paul Drude Institute for Solid State Electronics, Berlin, Germany Modeling of condensed matter systems based on ab initio results 04.05.2010 15:00
Deepa Kasinathan Relation of structure, magnetism, doping and pressure in AFe{2-x}TxAs2 (A=Ca,Sr,Ba,Eu; T=Co,Rh,Ru) 29.04.2010 14:00
Workshop on special problems of Magnetic Shape Memory Alloys 24.04.2010
Josef Schmiedberger Hybridní RF/DC plazmatron pro generaci singletového kyslíku v kyslík-jódovém laseru 21.04.2010 14:00
J. Repp Scanning Tunneling Spectroscopy of Molecules on Thin Insulating Films 13.04.2010 15:00
Jiří Kulda Neutron scattering studies of nano-scale order and dynamics in the PMN relaxor ferroelectric 08.04.2010 10:00
Leonid Nemenov (JINR, Dubna, Russia) DIRAC experiment at CERN: results and plans 25.03.2010 15:00
Carlos Pecharromán and Jose L. Menéndez Transparent ceramics: Processing, sintering, characterization and applications 25.03.2010 10:00
Jan Kuriplach Magnetic grain boundaries in Ni and Fe and defect structure in zirconia-based materials 23.03.2010 15:00
František Máca Magnetic order in the ultrathin iron film on the Ir(001) surface 09.03.2010 15:00
Petříček, Dušek, Palatinus The Third Ad Hoc Workshop on Jana2006 08.03.2010 09:00
Liviu P. Zarbo, FZÚ AV CR, v.v.i. and Texas A&M University Semiclassical Monte Carlo Simulation of Transport in Spintronic Devices 03.03.2010 09:00
Dr. Tomáš Novotný, Katedra fyziky kondenzovaných látek, MMF UK Phonon-Assisted Current Noise in Molecular Junctions 02.03.2010 15:00
Branislav K. Nikolić, Dept. of Physics and Astronomy & Center for Spintronics and Biodetection, University of Delaware Spin pumping in magnetic tunnel junctions and topological insulators: Theory and experiments 25.02.2010 10:00
Dr. Roman Martoňák, Katedra experimentálnej fyziky FMFI UK Bratislava Simulácia štruktúrnych fázových prechodov v kryštáloch pomocou metadynamiky 23.02.2010 10:00
André Perrin Ferroelectric KTa1-xNbxO3 Thin Film for Telecom Applications 16.02.2010 10:00
M.Spousta, P. Řezníček, M. Marčišovský, O.Kepka První jety v datech, Monitorování b-triggeru, Dimionový kanál, Minimum bias interakce (experiment ATLAS) 05.02.2010 13:30
prof. Stuart Lindsay, Biodesign Institute, Arizona State University Can we exploit quantum mechanics to read genes? 04.02.2010 15:00
Jan Kuneš From Clusters to Crystals: Application of the Dynamical Mean-Field Theory to Materials 02.02.2010 15:00
Petříček, Dušek, Palatinus The Second Ad Hoc Workshop on Jana2006 18.01.2010 09:00
Jan Böhm Upgrade Vnitřního detektoru ATLAS 15.01.2010 13:30

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