III-Nitride nanowire optoelectronics

S Zhao, HPT Nguyen, MG Kibria, Z Mi - Progress in Quantum Electronics, 2015 - Elsevier
Group-III nitride nanowire structures, including GaN, InN, AlN and their alloys, have been
intensively studied in the past decade. Unique to this material system is that its energy …

Nanowire photodetectors based on wurtzite semiconductor heterostructures

M Spies, E Monroy - Semiconductor Science and Technology, 2019 - iopscience.iop.org
Using nanowires for photodetection constitutes an opportunity to enhance the absorption
efficiency while reducing the electrical cross-section of the device. Nanowires present …

Hexagonal-like Nb2O5 Nanoplates-Based Photodetectors and Photocatalyst with High Performances

H Liu, N Gao, M Liao, X Fang - Scientific reports, 2015 - nature.com
Ultraviolet (UV) photodetectors are important tools in the fields of optical imaging,
environmental monitoring and air and water sterilization, as well as flame sensing and early …

Room-temperature photodetection dynamics of single GaN nanowires

F González-Posada, R Songmuang, M Den Hertog… - Nano …, 2012 - ACS Publications
We report on the photocurrent behavior of single GaN n–i–n nanowires (NWs) grown by
plasma-assisted molecular-beam epitaxy on Si (111). These structures present a …

The nanorod approach: GaN NanoLEDs for solid state lighting

A Waag, X Wang, S Fündling, J Ledig… - … status solidi c, 2011 - Wiley Online Library
Vertically aligned GaN nanorods have recently obtained substantial interest as a new
approach to solid state lighting. In comparison to conventional planar LEDs, 3D NanoLEDs …

Direct experimental determination of the spontaneous polarization of GaN

J Lähnemann, O Brandt, U Jahn, C Pfüller… - Physical Review B …, 2012 - APS
We present a universal approach for determining the spontaneous polarization P sp of a
wurtzite semiconductor from the emission energies of excitons bound to the different types of …

Surface-induced effects in GaN nanowires

R Calarco, T Stoica, O Brandt… - Journal of materials …, 2011 - cambridge.org
Semiconductor nanowires (NWs) are characterized by an extraordinarily large surface-to-
volume ratio. Consequently, surface effects are expected to play a much larger role than in …

New UV‐A photodetector based on individual potassium niobate nanowires with high performance

H Liu, Z Zhang, L Hu, N Gao, L Sang… - Advanced Optical …, 2014 - Wiley Online Library
A new UV‐A photodetector based on K2Nb8O21 nanowire is successfully fabricated for the
first time. The potassium niobate is synthesized using a facile molten method. The …

Physics and chemistry of nitrogen dioxide (NO2) adsorption on gallium nitride (GaN) surface and its interaction with the yellow-luminescence-associated surface state

Y Turkulets, N Shauloff, OH Chaulker, R Jelinek… - Journal of Colloid and …, 2025 - Elsevier
Surface states have been a longstanding and sometimes underestimated problem in gallium
nitride (GaN) based devices. The instability caused by surface-charge-trap** in GaN …

Correlation of polarity and crystal structure with optoelectronic and transport properties of GaN/AlN/GaN nanowire sensors

MI Den Hertog, F González-Posada, R Songmuang… - Nano Letters, 2012 - ACS Publications
GaN nanowires (NWs) with an AlN insertion were studied by correlated optoelectronic and
aberration-corrected scanning transmission electron microscopy (STEM) characterization on …