Mgr. Lukáš Horák, Ph.D.

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

1. 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 )
2. 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)
3. 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)
4. 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)
5. 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)
6. 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)
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)
8. 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)
9. 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)
10. 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)