Institute of Physics of Materials AS CR, v. v. i. > People > Fikar Jan

Mgr. Jan Fikar, Ph.D.

Room419
Phone number+420 532 290 455
E-mail[javascript protected email address]
Researcher IDG-4365-2014
ORCID0000-0003-1499-3958
Positionresearcher - Multiscale Modelling and Measurements of Physical Properties

Scientific interest
  • Molecular dynamics simulations
  • Interatomic potentials
  • Irradiation defect
  • Dislocations

Education
  • 1999-2003: Doctoral degree - École Polytechnique Fédérale de Lausanne, Institute de Genie Atomique, Physics of materials
  • 1992-1997: Master’s degree - Masaryk University, Faculty of Sciences, Physics
Work experiences
  • From 2013: Researcher in group of Multiscale Modelling and Measurements of Physical Properties, Institute of Physics of Materials, CAS
  • 2005-2013: Researcher - Centre de recherches en physique des plasmas, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
  • 2004-2005: Postdoc - Condensed matter physics, Masaryk University
  • 2003-2005: Postdoc - Laboratoire de Physique des Matériaux, Université de Poitiers, Poitiers, France
 

2025

Yadav A., Bajtošová L., Cieslar M., Fikar J.: Realistic grain boundaries in nanocrystalline thin films. Model. Simul. Mater. Sci. Eng. 33 (2025) 055018

Fikar J., Schäublin R., Mason D., Nguyen-Manh D.: Mobility of nano-sized 1/2<111> vacancy and interstitial prismatic dislocation loops in tungsten. Model. Simul. Mater. Sci. Eng. 33 (2025) 065006


2024

Gröger R., Fikar J.: Nucleation of threading dislocations in atomistic simulations of strained layer epitaxy of III-nitrides. Acta Mater. 264 (2024) 119570

Yadav A., Bajtošová L., Cieslar M., Fikar J.: Two phase model for inverse Hall Petch effect in nanocrystalline thin film: Atomistic simulation study. Acta Mater. 276 (2024) 120084


2022

Bajtošová L., Křivská ., Králík ., Veselý J., Hanuš J., Harcuba P., Fikar J., Yadav A., Cieslar M.: Deformation mechanisms of Al thin films: In-situ TEM and molecular dynamics study. Scr. Mater. 215 (2022) 114688


2021

Bajtošová L., Králík ., Křivská ., Veselý J., Fikar J., Cieslar M.: In-situ TEM deformation of free-standing thin films and molecular dynamics simulations. AIP Conference Proceedings 2411 (2021) 030002


2020

Fikar J., Schäublin R.: Stability of small vacancy clusters in tungsten by molecular dynamics. Nucl. Instr. Meth. Phys. Res. B 464 (2020) 56-59


2019

Friák M., Buršíková V., Pizúrová N., Pavlů J., Jirásková Y., Homola V., Miháliková I., Slávik A., Holec D., Všianská M., Koutná N., Fikar J., Janičkovič D., Šob M., Neugebauer J.: Elasticity of Phases in Fe-Al-Ti Superalloys: Impact of Atomic Order and Anti-Phase Boundaries. Crystals 9 (2019) 299


2018

Fikar J., Schäublin R., Mason D., Nguyen-Manh D.: Nano-sized prismatic vacancy dislocation loops and vacancy clusters in tungsten. Nucl. Mater. Energy 16 (2018) 60-65


2017

Fikar J., Gröger R., Schäublin R.: Effect of orientation of prismatic dislocation loops on interaction with free surfaces in BCC iron. J. Nucl. Mater. 497 (2017) 161-165

Fikar J., Gröger R., Schäublin R.: Interaction of irradiation-induced prismatic dislocation loops with free surfaces in tungsten. Nucl. Instr. Meth. Phys. Res. B 393 (2017) 186-189


2016

Fikar J., Gröger R.: Shape of small prismatic dislocation loops in tungsten and iron. Solid State Phenom. 258 (2016) 97-101


2015

Fikar J., Gröger R.: Interactions of prismatic dislocation loops with free surfaces in thin foils of body-centered cubic iron. Acta Mater. 99 (2015) 392-401


Number of ProjectName
16-24402S Interaction of prismatic dislocation loops in alpha iron and tungsten