Fyzikální ústav Akademie věd ČR

FZÚ v médiích

O projektu LABONIT v pořadu Leonardo

Český rozhlas Leonardo, 28.2.2014.

V pondělním Magazínu...

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Rozhovor s prof. Bedřichem Velickým

Nadační fond Neuron, 10.2.2014.

Profesor Velický vybudoval a...

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Na stopě vzniku života

Videokanál Střediska společných činností Akademia věd ČR, 3.2.2014....

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Kdo ovládá magnet? Světlo!

21. století, 20.1.2014.

Českým fyzikům se pomocí světelného...

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Semináře

Chemical sensing by graphene field effect transistors

Úterý, 04.03.2014 10:00 - 11:00

Jiří Červenka (School of Physics, The University of Melbourne)

Graphene's two dimensional nature, highly sensitive unique electrical properties and low intrinsic noise characteristics make it a prime candidate for the creation of a new generation of molecular sensors. Despite of high sensitivity of graphene sensors, their selectivity remains a major problem for their practical use. In this talk I present different strategies for selective sensing using graphene-based sensors.

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Magnetic properties of single molecules and metal-organic networks on surfaces

Úterý, 04.03.2014 13:00 - 14:00

Katharina J. Franke (Freie Universität Berlin)

The magnetic properties of atoms and molecules on a surface are significantly affected by details in the atomic-scale surrounding. Manipulation of this surrounding provides the possibility to tune the electronic and magnetic functionality of surfaces on a nanometer scale. Using scanning tunnelling spectroscopy (STS), we show that the lifetime of excited spin states in the paramagnetic Fe-Octaethylporphyrin-Chloride (FeOEP-Cl) is orders of magnitude longer when the molecule is adsorbed on a superconductor as compared to a normal metal substrate.

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Calculating ultrafast magnetization dynamics

Úterý, 04.03.2014 15:00

Karel Carva (Oddělení teoretické fyziky, katedry fyziky kondenzovaných látek, MFF UK)

Abstract: In recent years it has been demonstrated that magnetization can be changed without applying an external magnetic field in extremely short timescales of the order of hundreds of femtoseconds [1]. We have studied the effect by means of ab initio calculations for three ferromagnetic metals Fe, Co and Ni [2] considering the Elliott-Yafet electron-phonon spin-flip (SF) scattering [3] which has been suggested to be the dominant microscopic mechanism.

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The role of electrochemistry in semiconductor growth and degradation

Čtvrtek, 06.03.2014 10:00 - 11:00

Kristin Poduska (Department of Physics and Physical Oceanography Memorial University of Newfoundland, Canada)

Electrochemical methods are widely applied to metal film deposition in industrial and high-tech settings, but the market share for semiconductor films produced using electrochemistry is dramatically less. At the same time, a large fraction of semiconductor-based devices rely on applied voltages for their operation, which means that electrochemical processes could occur in these devices wherever there exists an interface between an electron conductor (such as a semiconductor) and an ion conductor (such as water).

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Minulé semináře
Z. Jirák Elektronické přechody v perovskitových kobaltitech 08.04.2010 14:00
Jiří Kulda Neutron scattering studies of nano-scale order and dynamics in the PMN relaxor ferroelectric 08.04.2010 10:00
L. Smrčka, A. Kromka, V. Novák Optická a elektronová litografie ve FZÚ AV ČR, v. v. i. 31.03.2010 15:00
Leonid Nemenov (JINR, Dubna, Rusko) 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
Martin Divoký Disperzní systémy pro velmi krátké optické impulzy 17.03.2010 14:00
J. Řídký, J. Lančok, J. Rosa, V. Cháb, K. Winkler, P. Hoefer Středisko Analýzy Funkčních Materiálů SAFMAT 16.03.2010 13:00
F. Hakl, M. Jiřina (Ústav informatiky AV ČR) Možnost separace fyzikálního procesu v LHC metodami NNSU a DME 12.03.2010 13:30
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. a 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
Libor Juha Unikátní stavy hmoty vytvářené intenzivním rentgenovým zářením 10.02.2010 15:00
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
Marek Taševský Status projektu AFP- ATLAS Forward Physics 29.01.2010 13:30
Milan Vaněček Fotovoltaická přeměna sluneční energie 20.01.2010 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
Jan Rusz Dynamical screening effects in X-ray absorption spectra of graphene and BN 05.01.2010 15:00
Dr. Pavel Kocan Povrch Si(111) před a po desorpci thallia 15.12.2009 15:00
Dawei Wang Dielectric responses of Pb(Zr,Ti)O3 from first principles in the terahertz frequency range 10.12.2009 10:00
Narayani Choudhury Unusual phenomena in compositionally modulated BST systems 08.12.2009 10:00
Petříček, Dušek, Palatinus First ad hoc workshop on Jana2006 07.12.2009 09:00
Timo Jacob (Institut für Elektrochemie, Universität Ulm,Germany) Fundamentals of the Oxygen Reduction Reaction 27.11.2009 10:30

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