Fyzikální ústav Akademie věd ČR

Events

Molecular Geometry Determination by Atomic Force Microscopy

Seminar / Tue, 07/10/2014 - 10:00 - 11:00

Nikolaj Moll (IBM Research Zurich, Ruschlikon, Switzerland)

Using functionalized tips, the atomic resolution of a single organic molecule can be achieved by atomic force microscopy (AFM) operating in the regime of short-ranged repulsive Pauli forces while the van der Waals and electrostatic interactions only add a diffuse attractive background. To theoretically describe the atomic contrast a simple model is introduced in which the Pauli repulsion is assumed to follow a power law as a function of the probed charge density. Even, different bond orders of individual carbon-carbon bonds in organic molecules can be distinguished by AFM.

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Dynamics of nanoscale polarization fluctuations in a SBN-61 single crystal

Seminar / Tue, 07/10/2014 - 10:00 - 11:20

Petr Ondrejkovič (Department of Dielectrics)

Dynamics of nanoscale polarization fluctuations in a SBN-61 single crystal: overview of our recent inelastic netron scattering experiments with a sub-milielectronvolt energy resolution; relevance of Vogel-Fulcher law to diffuse scattering in uniaxial relaxor crystals)

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Diamond Field Effect Transistors with high-k gate insulator

Seminar / Thu, 09/10/2014 - 10:00 - 11:00

Yasuo Koide (Network and Facilities Services Division; Wide Bandgap Materials Group, Optical and Electronic Materials Unit, National Institute for Materials Science (NIMS), Japan)

Diamond has an attractive interest as one of next-generation power electronics materials. Since the sheet hole density in the hydrogenated-diamond surface was reported to be as high as 1E14 cm-2 which was one or two orders larger than other semiconductors. Therefore, we should use such the big advantage and then have to develop the high-k gate dielectric for diamond in order to control the high-density hole carrier.

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International Workshop on Relaxor Ferroelectrics

Conference / Sun, 12/10/2014 - Thu, 16/10/2014

We are proud to host the first regular International Workshop on Relaxor Ferroelectrics in Stirin, Czech Republic, on 12–16 October 2014. The Workshop will will initiate a biannual worldwide discussion forum focused on the physics and applications of relaxor ferroelectrics, their structure, polar nanoregions, nanodomains, dielectric and piezoelectric properties, relation to structural and spin glasses, spectroscopic data etc.

For more information, please visit the Workshop website at http://palata.fzu.cz/iwrf14/.

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Joint Institute for Nuclear Research in Dubna: history, presence and future

Seminar / Mon, 13/10/2014 - 14:00

Richard Lednický (Institute of Physcics AS CR, Prague and JINR, Dubna)

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Past events

Seminar / Thu, 02/10/2014 - 10:00

 Controlling magnetism in atomically engineered nanostructures

Notification / Wed, 24/09/2014

 Grand Opening of the HiLASE Laser Centre

Seminar / Fri, 19/09/2014 - 15:00

 Femtosecond laser-induced periodic surface structures

Seminar / Tue, 16/09/2014 - 10:00

 Simulations of electron transport phenomena in single-molecule junctions

Seminar / Mon, 15/09/2014 - 10:00

 Nucleation and growth of twins during fracture of a fine grained magnesium alloy

Seminar / Thu, 11/09/2014 - 14:00

 X-ray spectra and electronic structure of Fe and Cu superconducting pnictides

Seminar / Thu, 11/09/2014 - 11:00

 Exploring the optical properties of nanomaterials at sub-nanometer scale with a direct correlation to its structure at atomic scale

Seminar / Wed, 10/09/2014 - 14:00

 The Concept of Temperature - Critical Analysis

Seminar / Mon, 08/09/2014 - 10:00

 Silicon spintronics

Sun, 24/08/2014

 ELI BEAMLINES SUMMER SCHOOL (ELISS 2014)

Seminar / Mon, 28/07/2014 - 10:00

 Magneto-optical spectroscopy and ellipsometry of nanostructures

Seminar / Thu, 24/07/2014 - 14:00

 DC and AC Magnetic Properties of the Thin Walled Superconducting Niobium Cylinder

Seminar / Mon, 21/07/2014 - 10:00

 Magnetic materials as seen by magneto-optics

Seminar / Thu, 17/07/2014 - 14:00

 Nonequilibrium control of the magnetic exchange interaction

Seminar / Tue, 08/07/2014 - 10:00

 LASERs at Stanford: from the Laboratory to Commercial Products

Workshop / Mon, 30/06/2014

 Strong electron correlation effects in complex d- and f-based magnetic materials for technological applications

Seminář ELI Beamlines / Tue, 24/06/2014 - 14:30

 Detection techniques and data monitoring on ATLAS experiment.

Seminar / Mon, 23/06/2014 - 10:00

 Synchrotron radiation XAFS studies of local structure with femtometer accuracy

Seminář ELI Beamlines / Thu, 19/06/2014 - 14:00

 Hadron Therapy and Its Importance in Medicine

Seminar / Tue, 10/06/2014 - 10:00

 Heat-dissipation in atomic-scale junctions

Mon, 09/06/2014 - 13:25

 International Summer School on Physics at Nanoscale 2014

Seminar / Thu, 05/06/2014 - 16:00

 Ultrashort laser processing of solids. Numerical investigation of sub-wavelength optical and thermal effects in nanomaterials

The Dvořák Lecture / Wed, 04/06/2014 - 15:00

 The LASER: a Historical Perspective

Seminar / Tue, 03/06/2014 - 13:00

 Сomposite catalytic materials for improving direct formic acid fuel cells efficiency

Seminar / Mon, 02/06/2014 - 10:00

 Photoelectrochemical Water Splitting

Seminar / Wed, 28/05/2014 - 10:00

 Transmission electron microscopy study of semiconductor nanowires and nanostructured materials

Seminar / Tue, 27/05/2014 - 15:00

 Is the Concept of Electronic Band Structure valid for Si Nanocrystals of few nm in Size?

Seminar / Tue, 27/05/2014 - 10:00

 Probing and Modifying Graphene at the Atomic Scale with Scanning Tunneling Microscopy

Seminar / Wed, 21/05/2014 - 15:00

 Physics behind 100J/10Hz laser for new scientific applications

Conference / Mon, 19/05/2014

 XXI Czech-Polish seminar: Structural and ferroelectric phase transitions

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