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Silicon carbide is a wide-bandgap semiconductor with outstanding properties for efficient high-power electronic devices whose ultimate potential could not yet be exploited due to the presence of interface traps. The authors develop an experimentally less demanding analysis method that takes such defects into account when determining device parameters.
Electron or hole doping of cuprates is a well-known method to create a superconducting system, but its charge dynamics remains elusive. Here the authors theoretically demonstrate that the high-energy charge fluctuations are understood in terms of acoustic-like plasmons and are universal for both the hole and electron doped cuprates.
The search for experimental evidence of Majorana modes is an area of intense research in condensed matter and quantum physics and uncovering clear evidence is complicated. The authors investigate the impact of Joule heating which can influence the analysis of experimental features related to Majorana bound states in topological Josephson junctions.
Scannerless time of flight three-dimensional devices can produce high-quality images from the ground or in space and provide information on light detection and ranging. The authors design and demonstrate a downscaled subpixel 3D laser imaging device which uses pulse-encoded illumination to encode the pixels.
Organic light emitting diodes are an important component of current technologies, and methods to enhance their efficiencies are under constant investigation. The authors demonstrate that disorder near the surface of these systems is responsible for the energy alignment between their host and dopant molecules and hence their overall efficiency.