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Events

Seminar / Wednesday, 20.03.2019 14:00

Oleg Lunov (Institute of Physics of the Czech Academy of Sciences )

Physics-based biomedical approaches have proved their importance for the advancements of medical sciences and especially in medical diagnostics and treatments. Thus, the expectations regarding development of novel promising physics-based technologies and tools are very high. Indeed, a strong relationship always existed between physics and medicine. We describe the latest research advances in biomedical applications of external physical cues. Furthermore, we summarize the progress, challenges and opportunities in those directions. However, those technologies need to prove if they can...

Seminar / Friday, 22.03.2019 09:00 to 11:00

Dr. Stefan Zollner (Academic Department Head and Professor, New Mexico State University, Las Cruces, NM, USA)

Dr. Stefan Zollner will give a series of public lectures on Optical Properties of Solids for the Institute of Physics. The lectures are recorded and placed online including other materials.

Part IV covers the following topics: Maxwell’s equations in media, polarizability, dielectric function, Lorentz and Drude model.

The lectures follow the textbook by Mark Fox “Optical Properties of Solids”, with additional materials by the...

Seminar / Tuesday, 26.03.2019 10:00

Tinkara Troha (Fyzikální ústav AV ČR, oddělení dielektrik)

Self-assembly of nanoparticles into organized structures with various properties has been a topic of research for a long time. One of the ways to efficiently prepare and manipulate such nanosystems is to use liquid crystal molecules and chemically attach them to the nanoparticle surface. The advantage of using mesogenic molecules as surface ligands is to control the distance between the nanoparticles and at the same time preserve liquid crystalline ordering. Furthermore liquid crystalline medium is sensitive to small external stimuli therefore the nanoparticles organization can be dynamically...

Seminar / Tuesday, 26.03.2019 11:00

Filip Dominec (Institute of Physics ASCR)

The photoluminescence of InGaN/GaN semiconductor quantum wells is sensitive to the sub-surface electric field through quantum confined Stark effect (QCSE), which in turn depends on the adsorbed polar molecules on the semiconductor surface. Therefore a durable chemical sensor of gases, acidity or even trace concentration of biomolecules can be manufactured that is connected to a single optical fibre instead of metallic wires. During my six-month collaboration with the group of prof. Scholz at Ulm university, I investigated the potential sources of false-positive signal, showing that aside...

Seminar / Thursday, 28.03.2019 10:00

Martin Adamec (Matematicko-fyzikální fakulta Univerzity Karlovy a Fyzikální ústav AV ČR, oddělení dielektrik)

Seminar / Thursday, 28.03.2019 10:00

Vojtěch Chlan (Matematicko-fyzikální fakulta Univerzity Karlovy)

Seminar / Tuesday, 09.04.2019 10:00

Petr Viščor (EIS Laboratory, Skjoldenaesvej 17, 4174 Jystrup, Denmark & Semimetrics Ltd., Kings Langley, England)

A striking number of physically and chemically different systems, including monocrystals, glasses and simple liquids, exhibit similar electrical response behaviour at classical frequencies below THz region. It is a purpose of this seminar to show that these similarities in the response can be linked to the similarities in the blocking nature of the interface between the metal electrode and the particular system under investigation. After a short review of the new electrical response analysis, where the interfaces determine the important boundary conditions, the experimental results on...

Seminar / Friday, 12.04.2019 09:00 to 11:00

Dr. Stefan Zollner (Academic Department Head and Professor, New Mexico State University, Las Cruces, NM, USA)

Dr. Stefan Zollner will give a series of public lectures on Optical Properties of Solids for the Institute of Physics. The lectures are recorded and placed online including other materials.

Part V covers the following topics: Analytical properties of dielectric function, Kramers-Kronig relations, Sellmeier, poles, Cauchy.

The lectures follow the textbook by Mark Fox “Optical Properties of Solids”, with additional materials by the...

Seminar / Tuesday, 16.04.2019 14:00

Prof. Philippe F. Smet (LumiLab research group, Department of Solid State Sciences, Ghent University, Belgium)

First I will give a brief overview of the current activities in the LumiLab research group at Ghent University related to luminescent materials, highlighting cathodoluminescence spectroscopy in electron microscopy (SEM-CL) and the use of red-emitting Mn4+-doped fluoride phosphors for LED applications.

The main part will deal with a specific class of luminescent materials, namely phosphors which are able to store excitation energy in their lattice, in such a way that the time between excitation and emission can be extended up to minutes, hours or even many thousands of years....

Seminar / Friday, 26.04.2019 09:00 to 11:00

Dr. Stefan Zollner (Academic Department Head and Professor, New Mexico State University, Las Cruces, NM, USA)

Dr. Stefan Zollner will give a series of public lectures on Optical Properties of Solids for the Institute of Physics. The lectures are recorded and placed online including other materials.

Part VI covers the following topics: Applications of Lorentz...

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Past events

Seminář / Tuesday, 12.03.2019 10:00

Multiferroic properties of TbMn1–xFexO3

Seminář / Friday, 08.03.2019 09:00

Optical Properties of Solids III

Seminář / Friday, 01.03.2019 09:00

Optical Properties of Solids II

Seminář / Tuesday, 26.02.2019 13:00

Polarization Modulation FT-IR Spectroscopy

Seminář / Wednesday, 20.02.2019 14:00

Heavy quark production at Ultrahigh Cosmic Ray Energies and its implications in Neutrino Physics

Seminář / Monday, 18.02.2019 14:00

Spin-perturbed orbits near black holes

Seminář / Friday, 15.02.2019 09:00

Optical Properties of Solids I

Seminář / Wednesday, 13.02.2019 14:00

Molecular-level mechanisms of biofouling at functional surfaces: from new theories to novel bio-inspired materials

Seminář / Tuesday, 12.02.2019 11:00

Deformations in two-dimensional materials

Seminář / Tuesday, 12.02.2019 10:00

Investigation of Single Atom Magnets using Scanning Tunneling Microscopy enabled Electron Spin Resonance

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