94 citations · 380 across the 19 of their papers we have counts for
19 papers
Time-resolved study of carbonization and growth of ultrathin 3C-SiC on Si(111) under ultra-high vacuum
Pranjali Jadhao, Mojdeh Fallahpour, Josef Polčák +6
The early-stage formation of silicon carbide (SiC) on Si(111) by ethylene exposure under ultra-high vacuum (UHV) was investigated to resolve the time-dependent chemical and morphol…
Correlative Imaging of Individual CsPbBr3 Nanocrystals: Role of Isolated Grains in Photoluminescence of Perovskite Polycrystalline Thin Films
Petr Liška, Tomáš Musálek, Tomáš Šamořil +12
We report on the optical properties of CsPbBr3 polycrystalline thin film on a single grain level. A sample comprised of isolated nanocrystals (NCs) mimicking the properties of the…
Chiral nanoparticle chains on inorganic nanotube templates
Lukáš Kachtík, Daniel Citterberg, Kristýna Bukvišová +7
Fabrication of chiral assemblies of plasmonic nanoparticles is a highly attractive and challenging task with promising applications in light emission, detection, and sensing. So fa…
Phase-resolved optical characterization of nanoscale spin waves
Ondřej Wojewoda, Martin Hrtoň, Meena Dhankhar +7
We study theoretically and experimentally the process of Brillouin light scattering on an array of silicon disks on a thin Permalloy layer. We show that phase-resolved Brillouin li…
Spatio-spectral metrics in electron energy loss spectroscopy as a tool to resolve nearly degenerate plasmon modes in dimer plasmonic antennas
Michal Horák, Andrea Konečná, Tomáš Šikola +1
Electron energy loss spectroscopy (EELS) is often utilized to characterize localized surface plasmon modes supported by plasmonic antennas. However, the spectral resolution of this…
Plasmonic properties of individual gallium nanoparticles
Michal Horák, Vojtěch Čalkovský, Jindřich Mach +2
Gallium is a plasmonic material offering ultraviolet to near-infrared tunability, facile and scalable preparation, and good stability of nanoparticles. In our contribution, we expe…
Observing high-k magnons with Mie-resonance-enhanced Brillouin light scattering
Ondřej Wojewoda, Filip Ligmajer, Martin Hrtoň +8
Magnonics is a prospective beyond CMOS technology which uses magnons, the quanta of spin waves, for low-power information processing. Many magnonic concepts and devices were recent…
Correlative Raman Imaging and Scanning Electron Microscopy: the Role of Single Ga Islands in Surface-Enhanced Raman Spectroscopy of Graphene
Jakub Piastek, Jindřich Mach, Stanislav Bardy +7
Surface enhanced Raman spectroscopy (SERS) is a perspective non-destructive analytic technique enabling detection of individual nanoobjects, even single-molecules. . In the paper,…
Low temperature 2D GaN growth on Si (111) 7x7 assisted by hypethermal nitrogen ions
Jaroslav Maniš, Jindřich Mach, Miroslav Bartošík +7
As the characteristic dimensions of modern top-down devices are getting smaller, such devices reach their operational limits given by quantum mechanics. Thus, two-dimensional (2D)…
Strong coupling in a Au plasmonic antenna-SiO layer system: a hybrid mode analysis
Pavel Gallina, Michal Kvapil, Jiří Liška +5
A detailed analysis of the optical response of a system accommodating several coupled modes is needed for the complete understanding of the strong coupling effect. In this paper, w…
Optically tunable Mie-resonance VO2 nanoantennas for metasurfaces in the visible
Peter Kepič, Filip Ligmajer, Martin Hrtoň +4
Metasurfaces are ultrathin nanostructured surfaces that can allow arbitrary manipulation of light. Implementing dynamic tunability into their design could allow the optical functio…
Single-Shot Orientation Imaging of Nanorods Using Spin-to-Orbital Angular Momentum Conversion of Light
Tomáš Fordey, Petr Bouchal, Michal Baránek +7
The key information about any nanoscale system are orientations and conformations of its parts. Unfortunately, these details are often hidden below the diffraction limit and elabor…
Structural and optical properties of monocrystalline and polycrystalline gold plasmonic nanorods
Lukáš Kejík, Michal Horák, Tomáš Šikola +1
Plasmonic structures are often fabricated by lithographic patterning of a thin metallic film. Properties of the thin film are intimately related to the quality of the resulting str…
Influence of experimental conditions on localized surface plasmon resonances measurement by electron energy loss spectroscopy
Michal Horák, Tomáš Šikola
Scanning transmission electron microscopy (STEM) combined with electron energy loss spectroscopy (EELS) has become a standard technique to map localized surface plasmon resonances…
Vacuum Rabi splitting of a dark plasmonic cavity mode revealed by fast electrons
Ora Bitton, Satyendra Nath Gupta, Lothar Houben +4
Recent years have seen a growing interest in strong coupling between plasmons and excitons, as a way to generate new quantum optical testbeds and influence chemical dynamics and re…
Independent engineering of individual plasmon modes in plasmonic dimers with conductive and capacitive coupling
Vlastimil Křápek, Andrea Konečná, Michal Horák +5
We revisit plasmonic modes in nanoparticle dimers with conductive or insulating junction resulting in conductive or capacitive coupling. In our study which combines electron energy…
Silver Amalgam Nanoparticles and Microparticles: A Novel Plasmonic Platform for Spectroelectrochemistry
Filip Ligmajer, Michal Horák, Tomáš Šikola +2
Plasmonic nanoparticles from unconventional materials can improve or even bring some novel functionalities into the disciplines inherently related to plasmonics such as photochemis…
Plasmonic antennas with electric, magnetic, and electromagnetic hot spots based on Babinet's principle
Martin Hrtoň, Andrea Konečná, Michal Horák +2
We theoretically study plasmonic antennas featuring areas of extremely concentrated electric or magnetic field, known as hot spots. We combine two types of electric-magnetic comple…
Geometric-phase microscopy for high-resolution quantitative phase imaging of plasmonic metasurfaces with sensitivity down to a single nanoantenna
Petr Bouchal, Petr Dvořák, Jiří Babocký +8
Optical metasurfaces have emerged as a new generation of building blocks for multi-functional optics. Design and realization of metasurface elements place ever-increasing demands o…