Mgr. Lukáš Horák, Ph.D.
- Department
- Department of Condensed Matter Physics
- Phone
- +420 95155 1455
- Cell phone
- +420 777 689 843
- horak@karlov.mff.cuni.cz
- Links
- Teaching
- Schedule
- Exams
- Supervised theses
- Assigned theses
- Room / building
- F 048, ground floor, Ke Karlovu 5, Ke Karlovu 2026/5, Praha 2
Curriculum vitae
Education
- 2006 - 2014 post
gradual studies of Physics of Nanostructures at Faculty of Mathematics and
Physics, Charles University, Prague
Study of the structure of ferromagnetic semiconductors by x-ray scattering methods - 2001 - 2006 studies of Physics of Condensed and
Macromolecular Matter at Faculty of Mathematics and Physics, Charles University,
Prague
Study of the structure of metallic polycrystalline thin layers by x-ray diffraction and x-ray reflection
Employment
- 2014 - present Academic and research scientist at Department of Condensed Matter Physics (Faculty of Mathematics and Physics, Charles University in Prague)
Experience in scientific field
- High resolution x-ray diffraction measurements of epitaxial layers
- Simulation and fitting diffraction data using dynamical theory of diffraction
- Structural characterization and refinement of semiconductor and perovskite materials
- Implementation of Reciprocal Space Map simulation/fitting into MATLAB
- Leading and participation in synchrotron experiments (ESRF, Diamond, Soleil, APS)
- Post experimental large-data serial processing for laboratory and synchrotron instruments
- Powder diffraction, x-ray reflectometry (mesurement and interpretation)
- Simulation of lattice distortions using finite element method
Short-term experimental foreign stays
- 09 – 12 2007 & 04 – 05 2009: short experimental stays at the University of Nottingham (UK)
- Participated in about 22 synchrotron experiments at ESRF (FR), Soleil (FR), Diamond (UK), and APS (US)
Scientific output
Co-author of 44 publications (according to WoS: 266 citations, h-index 9), 6 oral presentations at international conferences.
10 representative publications
- J. Liu, D. Kriegner, L. Horak, D. Puggioni, C. Rayan Serrao, R. Chen, D. Yi, C. Frontera, V. Holy, A. Vishwanath, J. M. Rondinelli, X. Marti, and R. Ramesh, “Strain-induced nonsymmorphic symmetry breaking and removal of Dirac semimetallic nodal line in an orthoperovskite iridate,” Phys. Rev. B 93, 085118 (2016) (59 citations, IF2016 = 3.8 )
- L. Hao, D. Meyers, C. Frederick, G. Fabbris, J. Yang, N. Traynor, L. Horak, D. Kriegner, Y. Choi, J. W. Kim, D. Haskel, P. J. Ryan, M. P. Dean, and J. Liu, “Two-dimensional Jeff = 1/2 antiferromagnetic insulator unraveled from interlayer exchange coupling in artificial perovskite iridate superlattices,” Phys. Rev. Lett.119, 027204 (2017) (28 citations, IF2017 = 8.8)
- L. Hao, D. Meyers, H. Suwa, J. Yang, C. Frederick, T. R. Dasa, G. Fabbris, L. Horak, D. Kriegner, Y. Choi, J.-W. Kim, D. Haskel, P. J. Ryan, H. Xu, C. D. Batista, M. P. M. Dean, and J. Liu, “Giant magnetic response of a two-dimensional antiferromagnet,” Nat. Phys. 14, 806–810 (2018) (21 citations, IF2018 = 20.1)
- D. Meyers, Y. Cao, G. Fabbris, N. J. Robinson, L. Hao, C. Frederick, N. Traynor, J. Yang, J. Lin, M. H. Upton, D. Casa, J. W. Kim, T. Gog, E. Karapetrova, Y. Choi, D. Haskel, P. J. Ryan, L. Horak, X. Liu, J. Liu, and M. P. Dean, “Magnetism in iridate heterostructures leveraged by structural distortions,” Sci. Rep. 9, 1–8 (2019) (10 citations, IF2019 = 4.0)
- L. Horák, D. Kriegner, J. Liu, C. Frontera, X. Marti, and V. Holý, “Structure of epitaxial SrIrO 3 perovskite studied by interference between X-ray waves diffracted by the substrate and the thin film,” J. Appl. Crystallogr. 50, 385–398 (2017), arXiv:1305.1732 (10 citations, IF2017 = 3.4)
- C. S. King, J. Zemen, K. Olejnı́k, L. Horák, J. A. Haigh, V. Novák, A. C. Irvine, J. Kučera, V. Holý, R. P. Campion, B. L. Gallagher, and T. Jungwirth, “Strain control of magnetic anisotropy in (Ga,Mn)As microbars,” Phys. Rev. B 83, 115312 (2011) (9 citations, IF2011 = 3.7)
- S. Bauer, A. Rodrigues, L. Horák, X. Jin, R. Schneider, T. Baumbach, and V. Holý, “Structure Quality of LuFeO3 Epitaxial Layers Grown by Pulsed-Laser Deposition on Sapphire/Pt,” Materials (Basel). 13, 61 (2019) (IF2019 = 3.06)
- V. Holý, S. Bauer, A. Rodrigues, L. Horák, X. Jin, R. Schneider, and T. Baumbach, “In situ grazing-incidence x-ray scattering study of pulsed-laser deposition of Pt layers,” Phys. Rev. B 102, 125435 (2020) (IF2019 = 3.6)
- S. Bauer, A. Rodrigues, L. Horák, B. Nergis, X. Jin, R. Schneider, R. Gröger, T. Baumbach, and V. Holý, “Time-Resolved Morphology and Kinetic Studies of Pulsed Laser Deposition Grown Pt Layers on Sapphire at Different Growth Temperatures by in Situ Grazing Incidence Small-Angle X-ray Scattering,” Langmuir 37, 734–749 (2021) (IF2019 = 3.6)
- J. Yang, L. Hao, D. Meyers, T. Dasa, L. Xu, L. Horak, P. Shafer, E. Arenholz, G. Fabbris, Y. Choi, D. Haskel, J. Karapetrova, J. W. Kim, P. J. Ryan, H. Xu, C. D. Batista, M. P. Dean, and J. Liu, “Strain-Modulated Slater-Mott Crossover of Pseudospin-Half Square-Lattice in (SrIrO3)1/ (SrTiO3)1 Superlattices,” Phys. Rev. Lett. 124, 177601 (2020) (IF2019 = 8.4)