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THz science and technology

Key publications


2020
figfig
P. Kužel and H. Němec,

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

Adv. Opt. Mater. 8, 1900623 (2020).
2019
figfig
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).
figfig
J. Kuchařík, H. Němec, and T. Ostatnický,

Terahertz conductivity and coupling between geometrical and plasmonic resonances in nanostructures

Phys. Rev. B 99, 035407 (2019).
2018
figfig
T. Ostatnický, V. Pushkarev, H. Němec, and P. Kužel,

Quantum theory of terahertz conductivity of semiconductor nanostructures

Phys. Rev. B 97, 085426 (2018).
figfig
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).
figfig
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).
2017
figfig
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).
figfig
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).
2016
figfig
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).
figfig
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).
figfig
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).
figfig
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).
2015
figfig
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).
figfig
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).
2014
figfig
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).
figfig
P. Kužel and H. Němec,

Terahertz conductivity in nanoscaled systems: effective medium theory aspects,

J. Phys. D: Appl. Phys. 47, 374005 (2014).
2013 and older
figfig
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).
figfig
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).
figfig
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).