Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

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

Leveraging Combinatorial Sputtering to Investigate Ferroelectric Properties of the Hf<sub><i>x</i></sub>Zr<sub>1-<i>x</i></sub>O<sub>2</sub> System.

ACS applied materials & interfaces·2026
Same author

Substrate-Directed Underlayer Growth of Bilayer MoS<sub>2</sub> Revealed by Mo Isotope Labeling.

ACS nano·2026
Same author

Polarization Switching on the Open Surfaces of the Wurtzite Ferroelectric Nitrides: Ferroelectric Subsystems and Electrochemical Reactivity.

Advanced materials (Deerfield Beach, Fla.)·2025
Same author

Machine learning inversion from scattering for mechanically driven polymers.

Journal of applied crystallography·2025
Same author

Interfacial electroneutrality controls transport of asymmetric salts through charge-patterned mosaic membranes.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Enhanced Interfacial Bonding of Graft Copolymers.

ACS applied materials & interfaces·2025
Same journal

MT-MRI for detection of renal interstitial fibrosis in renovascular disease.

Scientific reports·2026
Same journal

Detection of underground objects from GPR data using a lightweight YOLO-based approach.

Scientific reports·2026
Same journal

Early systemic inflammatory-metabolic trajectory phenotypes are associated with survival outcomes in metastatic renal cell carcinoma treated with nivolumab.

Scientific reports·2026
Same journal

Water balance components in a dry-seeded rice-wheat system: Untangling the effects of tillage and mulching practices.

Scientific reports·2026
Same journal

Topological approaches to quantum tensor train compression via ZX-calculus and SVD.

Scientific reports·2026
Same journal

determinants of flood impacts and adaptive capacity among market vendors in Walukuba-Masese, Jinja city, Uganda.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: Mar 17, 2026

Fabrication of Uniform Nanoscale Cavities via Silicon Direct Wafer Bonding
10:32

Fabrication of Uniform Nanoscale Cavities via Silicon Direct Wafer Bonding

Published on: January 9, 2014

10.3K

Nanoforging Single Layer MoSe2 Through Defect Engineering with Focused Helium Ion Beams.

Vighter Iberi1,2,3, Liangbo Liang1, Anton V Ievlev1,4

  • 1Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.

Scientific Reports
|August 3, 2016
PubMed
Summary
This summary is machine-generated.

Defect engineering in 2D materials like Molybdenum Diselenide (MoSe2) using Helium Ion Microscopy (HIM) enables tailored optoelectronic properties. This technique locally modifies material characteristics, paving the way for advanced 2D devices.

More Related Videos

Ohmic Contact Fabrication Using a Focused-ion Beam Technique and Electrical Characterization for Layer Semiconductor Nanostructures
08:12

Ohmic Contact Fabrication Using a Focused-ion Beam Technique and Electrical Characterization for Layer Semiconductor Nanostructures

Published on: December 5, 2015

12.8K
A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
07:12

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

10.6K

Related Experiment Videos

Last Updated: Mar 17, 2026

Fabrication of Uniform Nanoscale Cavities via Silicon Direct Wafer Bonding
10:32

Fabrication of Uniform Nanoscale Cavities via Silicon Direct Wafer Bonding

Published on: January 9, 2014

10.3K
Ohmic Contact Fabrication Using a Focused-ion Beam Technique and Electrical Characterization for Layer Semiconductor Nanostructures
08:12

Ohmic Contact Fabrication Using a Focused-ion Beam Technique and Electrical Characterization for Layer Semiconductor Nanostructures

Published on: December 5, 2015

12.8K
A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
07:12

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

10.6K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Nanotechnology

Background:

  • Tailoring electronic, transport, and optoelectronic properties of 2D materials is crucial for device development.
  • Defect engineering offers a pathway to control material functionality, analogous to doping in semiconductors.

Purpose of the Study:

  • To demonstrate the use of scanning Helium Ion Microscopy (HIM) for precise defect engineering in single-layer Molybdenum Diselenide (MoSe2).
  • To investigate the atomic-level mechanisms and resulting property changes induced by HIM.
  • To explore the potential for creating customizable 2D optoelectronic devices.

Main Methods:

  • Utilized a scanning Helium Ion Microscope (HIM) for localized defect induction in single-layer MoSe2.
  • Employed He(+) beam bombardment to create vacancies and modify material properties.
  • Analyzed changes in electronic, mechanical, and optical characteristics at the atomic level.

Main Results:

  • Demonstrated localized vacancy creation and Fermi energy landscape shifts in MoSe2 via He(+) bombardment.
  • Observed a significant increase in the Young's modulus of elasticity in the modified regions.
  • Reported a novel increase in B-exciton photoluminescence signal at room temperature from nanoforged areas.

Conclusions:

  • Helium Ion Microscopy (HIM) provides a precise method for defect engineering in 2D materials like MoSe2.
  • This technique enables local control over electronic, mechanical, and optical properties.
  • The demonstrated approach opens avenues for fabricating functional 2D optoelectronic devices with tunable properties, including visible light operation.