Key publications

T. Troha, F. Klimovič, T. Ostatnický, H. Němec, and P. Kužel

Photon-assisted ultrafast electron-hole plasma expansion in direct band semiconductors

Nanophotonics 13, 1859 (2024).

P. Kumar, M. Šilhavík, M. R. Parida, P. Kužel, and J. Červenka

3D graphene straintronics for broadband terahertz modulation

Adv. Electron. Mater., 2300853 (2024).

A. Singh, H. Němec, J. Kunc, and P. Kužel

Nanoscale terahertz conductivity and ultrafast dynamics of terahertz plasmons in periodic arrays of epitaxial graphene nanoribbons

Phys. Rev. Res. 6, 033063 (2024).

T. Troha, F. Klimovič, T. Ostatnický, F. Kadlec, P. Kužel, and H. Němec

Ultrafast long-distance electron-hole plasma expansion in GaAs mediated by stimulated emission and reabsorption of photons

Phys. Rev. Lett. 130, 226301 (2023).

P. Kumar, M. Šilhavík, M. R. Parida, H. Němec, J. Červenka, and P. Kužel

Terahertz charge transport dynamics in 3D graphene networks with localization and band regimes

Nanoscale Adv. 5, 2933 (2023).

V. Chlan, M. Adamec, H. Štěpánková, V. G. Thomas, and F. Kadlec

Orientation and dynamics of water molecules in beryl

J. Chem. Phys. 158, 124308 (2023).

S. Ramesh, E. Skořepová, V. Eigner, V. Chelod Paingad, V. Zvoníček, P. Kužel, and M. Šoóš

Structurally unique salts of cyamemazine and their pharmaceutical implications

Cryst. Growth Des. 23, 168 (2023).

H. Hempel, T. J. Savenjie, M. Stolterfoht, J. Neu, M. Failla, V. C. Paingad, P. Kužel, E. J. Heilweil, J. A. Spies, M. Schleuning, J. Zhao, D. Friedrich, K. Schwarzburg, L. D. A. Siebbeles, P. Dörflinger, V. Dyakonov, R. Katoh, M. J. Hong, J. G. Labram, M. Monti, E. Butler-Caddle, J. Lloyd-Hughes, M. M. Taheri, Jason B. Baxter, T. J. Magnanelli, S. Luo, J. M. Cardon, S. Ardo, and T. Unold

Predicting solar cell performance from terahertz and microwave spectroscopy

Adv. Energy Mater. 12, 2102776 (2022).

V. Pushkarev, H. Němec, V. C. Paingad, J. Maňák, V. Jurka, V. Novák, T. Ostatnický, and P. Kužel

Charge transport in single-crystalline GaAs nanobars: impact of band bending revealed by terahertz spectroscopy

Adv. Funct. Mater. 32, 2107403 (2022).

D. Hovančík, D. Repček, F. Borodavka, Ch. Kadlec, K. Carva, P. Doležal, M. Kratochvílová, P. Kužel, S. Kamba, V. Sechovský, and J. Pospíšil

Terahertz magnetic and lattice excitations in van der Waals ferromagnet VI₃

J. Phys. Chem. Lett. 13, 11095 (2022).

M. Šindler, F. Kadlec, and C. Kadlec

Onset of a superconductor-insulator transition in an ultrathin NbN film under in-plane magnetic field studied by terahertz spectroscopy

Phys. Rev. B 105, 014506 (2022).

V. C. Paingad, J. Kunc, M. Rejhon, I. Rychetský, I. Mohelský, M. Orlita, and P. Kužel

Ultrafast plasmon thermalization in epitaxial graphene probed by time-resolved THz spectroscopy

Adv. Funct. Mater. 31, 2105763 (2021).

T. Troha, T. Ostatnický, and P. Kužel

Improving security in terahertz wireless links using beam symmetry of vortex and Gaussian beams

Opt. Express 29, 30461 (2021).

L.N. Alyabyeva, A.S. Prokhorov, D.A. Vinnik, V.B. Anzin, A.G. Ahmed, A. Mikheykin, P. Bednyakov, C. Kadlec, F. Kadlec, E. de Prado, J. Prokleška, P. Proschek, S. Kamba, A.V. Pronin, M. Dressel, V.A. Abalmasov, V.V. Dremov, S. Schmid, M. Savinov, P. Lunkenheimer, and B.P. Gorshunov

Lead-substituted barium hexaferrite for tunable terahertz optoelectronics

NPG Asia Mater. 13, 63 (2021).

P. Kužel and H. Němec,

Terahertz Spectroscopy of Nanomaterials: a Close Look at Charge-Carrier Transport

Adv. Opt. Mater. 8, 1900623 (2020).

I. Nevinskas, F. Kadlec, C. Kadlec, R. Butkute, and A. Krotkus,

Terahertz pulse emission from epitaxial n-InAs in a magnetic field

J. Phys. D-Appl. Phys. 52, 365301 (2019).

J. Kuchařík, H. Němec, and T. Ostatnický,

Terahertz conductivity and coupling between geometrical and plasmonic resonances in nanostructures

Phys. Rev. B 99, 035407 (2019).

T. Ostatnický, V. Pushkarev, H. Němec, and P. Kužel,

Quantum theory of terahertz conductivity of semiconductor nanostructures

Phys. Rev. B 97, 085426 (2018).

M. Šindler, C. Kadlec, P. Kužel, K. Ilin, M. Siegel, and H. Němec,

Departure from BCS response in photoexcited superconducting NbN films observed by terahertz spectroscopy

Phys. Rev. B 97, 054507 (2018).

J. Vít, F. Kadlec, C. Kadlec, F. Borodavka, Y.S. Chai, K. Zhai, Y. Sun and S. Kamba,

Electromagnon in the Y-type hexaferrite BaSrCoZnFe₁₁AlO₂₂

Phys. Rev. B 97, 134406 (2018).

V. Pushkarev, T. Ostatnický, H. Němec, T. Chlouba, F. Trojánek, P. Malý, M. Zacharias, S. Gutsch, D. Hiller, and P. Kužel,

Quantum behavior of terahertz photoconductivity in silicon nanocrystals networks,

Phys. Rev. B 95, 125424 (2017).

S. Bamini, H. Němec, K. Žídek, M. Abdellah, M. J. Al-Marri, P. Chábera, C. Ponseca, K. Zheng, and T. Pullerits,

Time-resolved terahertz spectroscopy reveals the influence of charged sensitizing quantum dots on the electron dynamics in ZnO,

Phys. Chem. Chem. Phys. 19, 6006 (2017).

B. Gorshunov, V. Torgashev, E. Zhukova, V. Tomas, M. Belyanchikov, C. Kadlec, F. Kadlec, M. Savinov, T. Ostapchuk, J. Petzelt, J. Prokleška, P. Tomas, E. Pestrjakov, D. Fursenko, G. Shakurov, A. Prokhorov, V. Gorelik, L. Kadyrov, V. Uskov, R. Kremer, and M. Dressel,

Incipient ferroelectricity of water molecules confined to nano-channels of beryl

Nat. Commun. 7, 12842 (2016).

I. Khromova, P. Kužel, I. Brener, J. L. Reno, U.-C. Chung Seu, C. Elissalde, M. Maglione, P. Mounaix, and O. Mitrofanov,

Splitting of magnetic dipole modes in anisotropic TiO₂ micro-spheres,

Laser Photon. Rev. 10, 681 (2016).

L. Nádvorník, P. Němec, T. Janda, K. Olejník, V. Novák, V. Skoromets, H. Němec, P. Kužel, F. Trojánek, T. Jungwirth, and J. Wunderlich,

Long-range and high-speed electronic spin-transport at a GaAs/AlGaAs semiconductor interface,

Sci. Rep. 6, 22901 (2016).

V. Zajac, H. Němec, and P. Kužel,

Picosecond charge transport in rutile at high carrier densities studied by transient terahertz spectroscopy

Phys. Rev. B 94, 115206 (2016).

P. Pikna, V. Skoromets, C. Becker, A. Fejfar, and P. Kužel,

Thin film polycrystalline Si solar cells studied in transient regime by optical pump-terahertz probe spectroscopy,

Appl. Phys. Lett. 107, 233901 (2015).

V. Skoromets, H. Němec, J. Kopeček, P. Kužel, K. Peters, D. Fattakhova-Rohlfing, A. Vetushka, M. Müller, K. Ganzerová, and A. Fejfar,

Conductivity Mechanisms in Sb-Doped SnO₂ Nanoparticle Assemblies: DC and Terahertz Regime,

J. Phys. Chem. C 119, 19485 (2015).

S. A. Jensen, K.-J. Tielrooij, E. Hendry, M. Bonn, I. Rychetský, and H. Němec,

Terahertz depolarization effects in colloidal TiO₂ films reveal particle morphology,

J. Phys. Chem. C 118, 1191 (2014).

P. Kužel and H. Němec,

Terahertz conductivity in nanoscaled systems: effective medium theory aspects,

J. Phys. D: Appl. Phys. 47, 374005 (2014).

C. Kadlec, F. Kadlec, V. Goian, M. Gich, M. Kempa, S. Rols, M. Savinov, J. Prokleška, M. Orlita, and S. Kamba,

Electromagnon in ferrimagnetic ε-Fe₂O₃ nanograin ceramics,

Phys. Rev. B 102, 241106 (2013).

H. Němec, C. Kadlec, F. Kadlec, P. Kužel, R. Yahiaoui, U-C. Chung, C. Elissalde, M. Maglione, and P. Mounaix,

Resonant magnetic response of TiO₂ microspheres at terahertz frequencies,

Appl. Phys. Lett. 100, 061117 (2012).

H. Němec, J. Rochford, O. Taratula, E. Galoppini, P. Kužel, T. Polívka, A. Yartsev, and V. Sundström,

Influence of the electron-cation interaction on electron mobility in dye-sensitized ZnO and TiO₂ nanocrystals: a study using ultrafast terahertz spectroscopy,

Phys. Rev. Lett. 104, 197401 (2010).