Electron holographic tomography
The exact knowledge about intrinsic electrostatic potentials and in particular their three-
dimensional distribution at the nanometer scale is a key prerequisite for understanding the …
dimensional distribution at the nanometer scale is a key prerequisite for understanding the …
Picosecond response times in GaAs/AlGaAs core/shell nanowire-based photodetectors
High-speed metal-semiconductor-metal (MSM) photodetectors based on Schottky-contacted
core/shell GaAs/AlGaAs and bare GaAs nanowires were fabricated and characterized. The …
core/shell GaAs/AlGaAs and bare GaAs nanowires were fabricated and characterized. The …
Enhanced optical absorption of GaAs near-band-edge transitions in GaAs/AlGaAs core–shell nanowires: implications for nanowire solar cells
Dense arrays of core–shell nanowires possess great potential as superabsorptive media for
the fabrication of efficient solar cells. We report on GaAs near-band-edge absorption …
the fabrication of efficient solar cells. We report on GaAs near-band-edge absorption …
On optical properties of GaAs and GaAs/AlGaAs core-shell periodic nanowire arrays
Optical reflection, transmission, and absorption in arrays of GaAs and GaAs/AlGaAs core-
shell nanowires are studied using transfer matrix and photonic bandgap formalisms …
shell nanowires are studied using transfer matrix and photonic bandgap formalisms …
Electron holographic tomography for mapping the three-dimensional distribution of electrostatic potential in III-V semiconductor nanowires
Electron holographic tomography (EHT), the combination of off-axis electron holography
with electron tomography, is a technique, which can be applied to the quantitative 3 …
with electron tomography, is a technique, which can be applied to the quantitative 3 …
Nanometer-scale tomographic reconstruction of three-dimensional electrostatic potentials in GaAs/AlGaAs core-shell nanowires
We report on the development of electron holographic tomography towards a versatile
potential measurement technique, overcoming several limitations, such as a limited tilt …
potential measurement technique, overcoming several limitations, such as a limited tilt …
Polarization anisotropy of individual core/shell GaAs/AlGaAs nanowires by photocurrent spectroscopy
We investigate the photodetection properties of individual core/shell GaAs/AlGaAs
nanowires (NWs) and, in particular, their behavior under linearly polarized light. The NWs …
nanowires (NWs) and, in particular, their behavior under linearly polarized light. The NWs …
Nanoscale spectroscopic imaging of GaAs-AlGaAs quantum well tube nanowires: correlating luminescence with nanowire size and inner multishell structure
The luminescence and inner structure of GaAs-AlGaAs quantum well tube (QWT) nanowires
were studied using low-temperature cathodoluminescence (CL) spectroscopic imaging, in …
were studied using low-temperature cathodoluminescence (CL) spectroscopic imaging, in …
Terahertz emission from GaAs-AlGaAs core-shell nanowires on Si (100) substrate: Effects of applied magnetic field and excitation wavelength
J John Ibanes, H Balgos, R Jaculbia… - Applied Physics …, 2013 - pubs.aip.org
Terahertz (THz) emission from GaAs-AlGaAs core-shell nanowires (CSNW) on silicon (100)
substrates was investigated using THz time-domain spectroscopy. The applied magnetic …
substrates was investigated using THz time-domain spectroscopy. The applied magnetic …
Type-I and type-II core–shell quantum dots: synthesis and characterization
The physical and optical properties of semiconductor quantum dots (QDs) are interesting for
a variety of applications. However, due to their very large surface/volume ratio …
a variety of applications. However, due to their very large surface/volume ratio …