Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: Jun 20, 2026

Fabricating Nanogaps by Nanoskiving

Fabricating Nanogaps by Nanoskiving

Published on: May 13, 2013

Fabrication of multiple concentric nanoring structures.

C Somaschini¹, S Bietti, N Koguchi

¹L-NESS and Dipartimento di Scienza dei Materiali, Universita di Milano Bicocca, Via Cozzi 53, I-20125, Milano, Italy.

|September 22, 2009

Summary

Researchers developed a novel droplet epitaxy method to create multiple concentric GaAs/AlGaAs nanorings. This technique allows for controlled fabrication of complex quantum ring structures with potential applications in nanotechnology.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Fabrication of spectrally sharp Si-based dielectric resonators: combining etaloning with Mie resonances.

Optics express·2020

Same author

Length measurement and spatial orientation reconstruction of single nanowires.

Nanotechnology·2018

Same author

Erratum to: Concentric Multiple Rings by Droplet Epitaxy: Fabrication and Study of the Morphological Anisotropy.

Nanoscale research letters·2016

Same author

Axial InAs/GaAs heterostructures on silicon in a nanowire geometry.

Nanotechnology·2014

Same author

Ordered arrays of embedded Ga nanoparticles on patterned silicon substrates.

Nanotechnology·2014

Same author

High-frequency acoustic charge transport in GaAs nanowires.

Nanotechnology·2014

Area of Science:

Semiconductor Nanostructures
Epitaxial Growth Techniques
Quantum Dots and Rings

Background:

Gallium Arsenide/Aluminum Gallium Arsenide (GaAs/AlGaAs) heterostructures are crucial for advanced electronic and photonic devices.
Fabricating complex nanostructures like concentric rings presents significant challenges in material science.

Purpose of the Study:

To present an innovative fabrication method for multiple concentric GaAs/AlGaAs nanoring structures.
To elucidate the formation mechanism of these nanorings through detailed characterization.
To establish design criteria for achieving nanorings with controllable complexity.

Main Methods:

Utilized a novel droplet epitaxy growth method.
Employed short-duration Arsenic (As) supply to Gallium (Ga) droplets at varying substrate temperatures.

More Related Videos

Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures

Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures

Published on: July 2, 2012

Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

Published on: March 23, 2017

Related Experiment Videos

Last Updated: Jun 20, 2026

Fabricating Nanogaps by Nanoskiving

Fabricating Nanogaps by Nanoskiving

Published on: May 13, 2013

Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures

Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures

Published on: July 2, 2012

Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

Published on: March 23, 2017

Conducted comprehensive ex situ and in situ characterization of nanostructure morphology and surface reconstruction.

Main Results:

Successfully fabricated GaAs/AlGaAs nanoring structures with three to five concentric rings.
Identified key parameters influencing nanoring formation, including As supply time and substrate temperature.
Interpreted the formation mechanism based on detailed morphological and surface analysis.

Conclusions:

The presented droplet epitaxy approach offers precise control over the fabrication of complex concentric nanoring structures.
The developed design criteria enable the tailored production of nanorings with specific complexity.
This work provides a pathway for engineering advanced quantum ring architectures for future applications.