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- KTH Royal Institute of TechnologySE16 papers
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18 papers · 1 filter
Magnetoresistance of doped silicon
Antonio Ferreira da Silva, Alexandre Levine, Zahra Sadre Momtaz +2
We have performed longitudinal magnetoresistance measurements on heavily n-doped silicon for donor concentrations exceeding the critical value for the metal-non-metal transition. T…
Ultrafast dynamic conductivity and scattering rate saturation of photoexcited charge carriers in silicon investigated with a midinfrared continuum probe
Fanqi Meng, Mark D. Thomson, Bo E. Sernelius +2
We employ ultra-broadband terahertz-midinfrared probe pulses to characterize the optical response of photoinduced charge-carrier plasmas in high-resistivity silicon in a reflection…
Structure and bonding in amorphous iron carbide thin films
Andrej Furlan, Ulf Jansson, Jun Lu +2
We investigate the amorphous structure, chemical bonding, and electrical properties of magnetron sputtered Fe1-xCx (0.21<x<0.72) thin films. X-ray, electron diffraction and transmi…
Characterization of the nitrogen split interstitial defect in wurtzite aluminum nitride using density functional theory
A. Szállás, K. Szász, X. T. Trinh +3
We carried out Heyd-Scuseria-Ernzerhof hybrid density functional theory plane wave supercell calculations in wurtzite aluminum nitride in order to characterize the geometry, format…
Effects of Side Groups on Kinetics of Charge Carrier Recombination in Dye Molecule-Doped Multilayer Organic Light-Emitting Diodes
Shengwei Shi, Feng Gao, Zhengyi Sun +3
The kinetics of the charge carrier recombination in dye molecule-doped multilayer organic light-emitting diodes (OLEDs) was quantified by transient electroluminescence (EL). Three…
Core-level spectra from graphene
Bo E. Sernelius
We calculate core-level spectra for pristine and doped free-standing graphene sheets. Instructions for how to perform the calculations are given in detail. Although pristine graphe…