Bridging the gap between surface physics and photonics

P Laukkanen, M Punkkinen, M Kuzmin… - Reports on Progress …, 2024 - iopscience.iop.org
Use and performance criteria of photonic devices increase in various application areas such
as information and communication, lighting, and photovoltaics. In many current and future …

Sub-Poissonian narrowing of length distributions realized in Ga-catalyzed GaAs nanowires

ES Koivusalo, TV Hakkarainen, MD Guina… - Nano …, 2017 - ACS Publications
Herein, we present experimental data on the record length uniformity within the ensembles
of semiconductor nanowires. The length distributions of Ga-catalyzed GaAs nanowires …

Enhanced surface passivation of GaAs nanostructures via an optimized SiO2 sol-gel shell growth

J Shen, H Chen, J He, Y Li, X Yang, M Zhu… - Applied Physics …, 2024 - pubs.aip.org
Gallium arsenide (GaAs) is an important compound semiconductor for optoelectronic
devices. However, the fast nonradiative recombination velocity of GaAs requires surface …

Growth of Multilayer WSe2/Bi2O2Se Heterostructures for Photodetection without Lithography

JC Park, S Kim, H Choi, Y Jung, I Oh… - Crystal Growth & …, 2023 - ACS Publications
Novel oxychalcogenides, such as Bi2O2Se, have many applications because of their
interesting properties such as remarkable hall mobility, the presence of a bandgap, and high …

Decoupling the Two Roles of Ga Droplets in the Self-Catalyzed Growth of GaAs Nanowires on SiOx/Si(111) Substrates

T Tauchnitz, T Nurmamytov, R Hübner… - Crystal Growth & …, 2017 - ACS Publications
Liquid Ga droplets play a double role in the self-catalyzed growth of GaAs nanowires on Si
(111) substrates covered with a native SiO x layer: they induce the formation of nanosized …

Field emission from self-catalyzed GaAs nanowires

F Giubileo, A Di Bartolomeo, L Iemmo, G Luongo… - Nanomaterials, 2017 - mdpi.com
We report observations of field emission from self-catalyzed GaAs nanowires grown on Si
(111). The measurements were taken inside a scanning electron microscope chamber with …

Vapor–liquid–solid growth of semiconductor nanowires

VG Dubrovskii, F Glas - Fundamental properties of semiconductor …, 2021 - Springer
We discuss the growth of semiconductor nanowires, with an emphasis on the vapor–liquid–
solid growth of III–V nanowires. Special attention is paid to modeling of growth and the …

Demonstration of extrinsic chirality of photoluminescence with semiconductor-metal hybrid nanowires

T Hakkarainen, E Petronijevic, M Rizzo Piton… - Scientific Reports, 2019 - nature.com
Chiral optical response is an inherent property of molecules and nanostructures, which
cannot be superimposed on their mirror images. In specific cases, optical chirality can be …

Photo-acoustic spectroscopy revealing resonant absorption of self-assembled GaAs-based nanowires

G Leahu, E Petronijevic, A Belardini, M Centini… - Scientific reports, 2017 - nature.com
Abstract III–V semiconductors nanowires (NW) have recently attracted a significant interest
for their potential application in the development of high efficiency, highly-integrated …

Evidence of Optical Circular Dichroism in GaAs‐Based Nanowires Partially Covered with Gold

G Leahu, E Petronijevic, A Belardini… - Advanced Optical …, 2017 - Wiley Online Library
Semiconductor nanostructures hybridized with metals have been known to offer new
opportunities in nonlinear optics, plasmonics, lasing, biosensors; among them GaAs‐based …