Fyzikální ústav Akademie věd ČR

Semináře

Spin-Orbit Coupling, Strong Interactions, and Topological Character: By Design & By Serendipity

Úterý, 17.05.2016 15:00

Warren E. Pickett (Department of Physics, University of California Davis, USA)

Abstract: This talk will wander through some developments from my group related to topological character of transition metal oxides (TMO). Certainly spin-orbit coupling (SOC) is a central feature, specifically the interplay between SOC and strong correlation effects as treated within density functional theory. Chern insulating phases within the "generalized phase diagram" of two TMO structural classes will be described.

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Realizing the Smallest Surface Adsorbed Quantum Magnets

Čtvrtek, 19.05.2016 15:00 - 17:00

Harald Brune (EPFL, Switzerland)

The magnetic states of nanostructures are of high interest for information storage and quantum information processing. This has triggered the search for the smallest possible magnets. In devices, electrodes have to be attached to them for readout and manipulation of the magnetic quantum states. This corresponds to their adsorption onto conducting surfaces.

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Computational materials design for photovoltaics and piezoelectrics

Úterý, 24.05.2016 10:00 - 11:00

Sabine Körbel (Institute of Condensed Matter Theory and Optics Friedrich-Schiller University Jena, Germany)

Abstract:

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Ultrafast Terahertz spectroscopy: a tool for contactless investigation of photoconductivity in nano-scaled systems

Úterý, 24.05.2016 10:00 - 11:00

Petr Kužel (Fyzikální ústav AV ČR, v.v.i.)

Is there any deep reason of using the new (and trendy) words “terahertz” and “multi-terahertz” when the traditional and well-established terms of far-infrared and mid-infrared have been available for decades? The answer is that the terms (multi-)terahertz are closely connected to specific quasi-optical techniques of coherent generation and detection of radiation, which provide some added value compared to “classical” experimental methods. Among others they allow one to observe directly the oscillations of terahertz light in time during various interactions.

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FAst timing for Positron Emission Tomography

Středa, 25.05.2016 13:00 - 14:00

Dr. Dennis R. Schaart (Delft University of Technology, Faculty of Applied Sciences, Delft, The Netherlands )

The use of time-of-flight (TOF) information in positron emission tomography (PET) significantly improves the effective sensitivity, enabling better image quality and reduction of scan times, dose and costs. PET manufacturers have recently released systems with 325-400 ps FWHM coincidence resolving time (CRT). Moreover, CRT’s well below 100 ps FWHM have been achieved using short (< 5 mm) scintillation crystals coupled to silicon photomultipliers (SiPMs).

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Ing. Jozef Vincenc Oboňa, PhD. Lased-induced Periodic Surface Structures (LIPSSs) Initiation and “growth” 18.03.2014 13:00
Sergey Varlamov LASER CRYSTALLISED SILICON THIN FILMS AND SOLAR CELLS ON GLASS: SIGNIFICANC OF THE INTERFACE 18.03.2014 10:00
Aurélien Manchon / Dominique Givord Spin-Orbit Caloritronics / Electric Field Effects on Magnetism in Metals 14.03.2014 10:00
Maria Valentyuk Microscopic picture of magnetic frustration effects and related phenomena in novel materials 12.03.2014 15:00
Kristin Poduska The role of electrochemistry in semiconductor growth and degradation 06.03.2014 10:00
Karel Carva Calculating ultrafast magnetization dynamics 04.03.2014 15:00
Katharina J. Franke Magnetic properties of single molecules and metal-organic networks on surfaces 04.03.2014 13:00
Jiří Červenka Chemical sensing by graphene field effect transistors 04.03.2014 10:00
Marek Taševský FCC – Future Circular Collider Study - informace z Kick-off workshopu 27.02.2014 14:00
František Máca The influence of adsorbates on the magnetic structure of the Fe/Ir(001) surface 25.02.2014 15:00
Prof. Shuji Sakabe Research activities of Laboratory for Laser-Matter Science, Institute for Chemical Research 21.02.2014 11:50
Prof. Lalit M. Kukreja Laser Surface Modifications and Additive Manufacturing: Recent Developments at RRCAT 21.02.2014 11:00
Dr. Al Erlandson Energetics Modeling and Slit Filters for Diode- Pumped Solid-State Lasers 21.02.2014 09:50
Dr. Hiromitsu Kiriyama Progress towards ultra-high intensity laser 21.02.2014 09:00
Gunther Eggeler On the use of advanced transmission electron microscopy for characterizing elementary transformation and deformation processes in shape memory alloys and high temperature materials 18.02.2014 14:00
Robert Král Studium růstu krystalů metodami směrové krystalizace 11.02.2014 13:00
Lukáš Ondič Silicon nanocrystals, photonic structures and optical gain 06.02.2014 15:00
Jiří Chudoba, Oldřich Kepka Zpracování dat experimentu ATLAS na farmě Goliáš 06.02.2014 14:00
Balazs Ujfalussy Quasiparticle spectrum of superconductor-normal metal heterojunctions 06.02.2014 10:00
Jan Mašek a Jakub Železný Electronic structure of MnTe: Restrospective and news 04.02.2014 15:00
Jindřich Kolorenč Kvantové Monte Carlo simulace elektronové struktury pevných látek 04.02.2014 10:00
Michal Malinský Baryon and lepton number violation in the Standard Model and beyond 29.01.2014 14:00
Egbert Zojer Using Quantum-Mechanical Modelling to Understand the Role of Interfaces in Organic Electronics 28.01.2014 10:00
Tomáš Laštovička Novinky z konference LCWS 2013 aneb aktuality o výstavbě urychlovače ILC v Japonsku 16.01.2014 14:00
Victor M. García-Suárez Thermoelectric properties of molecular junctions 14.01.2014 10:00
J. Kulveit Neklasická nukleační teorie 07.01.2014 13:00

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