activity
20132024
most citedElectron effective mass in AlGaN alloys determined by mid-infrared optical Hall effect

36 citations · 96 across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.mtrl-sci2024

Bloch equations in Terahertz magnetic-resonance ellipsometry

Viktor Rindert, Steffen Richter, Philipp Kühne +3

A generalized approach derived from Blochs equation of motion of nuclear magnetic moments is presented to model the frequency, magnetic field, spin density, and temperature depende…

physics.optics2021

Redox-tunable structural colour images based on UV-patterned conducting polymers

Shangzhi Chen, Stefano Rossi, Ravi Shanker +9

Precise manipulation of light-matter interaction has enabled a wide variety of approaches to create bright and vivid structural colours. Techniques utilizing photonic crystals, Fab…

physics.app-ph2019

Switchable Organic Plasmonics with Conductive Polymer Nanoantennas

Shangzhi Chen, Evan S. H. Kang, Mina S. Chaharsoughi +5

Metal nanostructures are key elements in nanooptics owing to their strong resonant interaction with light through local plasmonic charge oscillations. Their ability to shape light…

physics.app-ph2017★ 1 cited

Stealth technology-based Terahertz frequency-domain ellipsometry instrumentation

Philipp Kühne, Vallery Stanishev, Nerijus Armakavicius +2

We present a terahertz (THz) frequency-domain spectroscopic (FDS) ellipsometer design which suppresses formation of standing waves by use of stealth technology approaches. The stra…

cond-mat.mtrl-sci2017★ 9 cited

Electron effective mass in unintentionally doped InGaN determined by mid-infrared optical Hall effect

Nerijus Armakavicius, Vallery Stanishev, Sean Knight +3

Mid-infrared optical Hall effect measurements are used to determine the free charge carrier parameters of an unintentionally doped wurtzite-structure -plane oriented In…

cond-mat.mtrl-sci2017★ 1 cited

Landau Level optical Hall effect spectroscopy on two- and three-dimensional layered materials with graphene and graphite as examples

Philipp Kühne, Vanya Darakchieva, Mathias Schubert

We present a comprehensive study of the band structure of two- and three-dimensional hexagonal layered materials using Landau Level optical Hall effect spectroscopy investigations,…

cond-mat.mtrl-sci2015

Infrared dielectric function, phonon modes and free-charge carrier properties of high-Al-content AlGaN alloys determined by mid-infrared spectroscopic ellipsometry and optical Hall effect

S. Schöche, T. Hofmann, D. Nilsson +6

The phonon mode parameters and anisotropic mid-infrared dielectric function tensor components of high- Al-content AlGaN alloys in dependence of the Al content are p…

cond-mat.mes-hall2015★ 25 cited

Cavity-enhanced optical Hall effect in two-dimensional free charge carrier gases detected at terahertz frequencies

S. Knight, S. Schöche, V. Darakchieva +6

The effect of a tunable, externally coupled Fabry-Pérot cavity to resonantly enhance the optical Hall effect signatures at terahertz frequencies produced by a traditional Drude-lik…

physics.optics2013★ 36 cited

Electron effective mass in AlGaN alloys determined by mid-infrared optical Hall effect

S. Schöche, P. Kühne, T. Hofmann +5

The effective electron mass parameter in Si-doped AlGaN is determined to be from mid-infrared optical Hall effect measurements. No s…

cond-mat.mes-hall2013★ 24 cited

Polarization selection rules for inter-Landau level transitions in epitaxial graphene revealed by infrared optical Hall effect

P. Kühne, V. Darakchieva, J. D. Tedesco +8

We report on polarization selection rules of inter-Landau level transitions using reflection-type optical Hall effect measurements from 600 to 4000 cm-1 on epitaxial graphene grown…