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
Volodymyr Skoromets a Václav Janovec Tunability of materials and structures for THz spectral range; Dvojčata, domény, hybridní struktury 16.04.2013 10:00
J. Kaštil Magnetic properties and magnetocaloric effect of Co substituted Mn rich Ni2MnGa 11.04.2013 14:00
Šárka Todorova Hadronization and the Lund fragmentation model 11.04.2013 14:00
Jan Honolka Surface and material science perspectives of the new NanoESCA Lab 10.04.2013 15:00
Pavel Augustinský Improved Measurement of Green's Function in Hybridization Expansion Continuous Time Quantum Monte Carlo. 09.04.2013 15:00
Pavel Márton A brief excursion to the ferroelectric-domain-wall interior 09.04.2013 10:00
Ing. Filip Šroubek, Ph.D. Blind Deconvolution in Image Processing 09.04.2013 10:00
Sergej Moroz Super Efimov effect 04.04.2013 11:00
Fumitaka Ohashi Clathrates with group IV materials: novel photo-absorption materials for solar cells 28.03.2013 15:00
Xavier Marti Antiferromagnetic semiconductor spintronics 27.03.2013 10:00
Prof. Laurent Baulieu Minimizing gauge-functional for 2-d gravity and string theory 14.03.2013 15:00
Takatoshi Yamada Microscopic C-AFM/KPFM/Raman characterization of thermal and plasma CVD graphene 11.03.2013 15:30
Nava Setter Ferroelectric nano-wires 07.03.2013 15:00
Hiroki Tsuchiura Coercivity mechanism of Nd-Fe-B sintered magnets 07.03.2013 14:00
Takeshi Tayagaki Toward highly efficient Si solar cells using Ge/Si heterostructures 01.03.2013 13:00
Kirill Svit, PhD. student Formation and tunneling spectroscopy of CdS QDs obtained by Langmuir-Blodgett method 01.03.2013 10:00
Maurits W. Haverkort Theory of novel spectroscopic techniques: Probing spin, charge and orbital physics 28.02.2013 15:00
Prof. Chang Hee Nam Ultrafast and relativistic laser science research 28.02.2013 10:00
Marian Varga Diamond in Nanotechnology 14.02.2013 10:00
Tomáš Jungwirth Optical spin-transfer and spin-orbit torques 13.02.2013 15:00
Veronica Goian a Stanislav Kamba Hybrid improper-ferroelectric phase transition in Ca3Mn2O7; News from Ferro 2013 in Ames, USA 05.02.2013 10:00
Steven M. Kahn The Large Synoptic Survey Telescope 04.02.2013 17:00
Pavel Řezníček Selected B-physics analyses in the ATLAS experiment 31.01.2013 14:00
Hector Vazquez Theoretical results in Single Molecule Transport 29.01.2013 15:00
Jiří Klimeš Van der Waals forces in density functional theory 22.01.2013 15:00
Christelle Kadlec Metamaterials in the THz range 22.01.2013 10:00
Petr Trávníček Activities of the Institute of Physics in the Pierre Auger Observatory programme and other astroparticle physics projects 17.01.2013 14:00
Simone Babuin Quantum turbulence in flows of superfluid 4He 15.01.2013 15:00
Jiří Dohnal La Isla del Coco, or, Sharks are our friends 20.12.2012 15:00
Prof. Jacques Ferré First and Second Order Magneto-Optical Effects in Magnetic Bulk Materials or Ultrathin Films 10.12.2012 14:00

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