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

Green synthesis of high throughput hydrogen peroxide via sub-atmospheric plasma-water interaction.

Environmental technology·2025
Same author

Health matters: a statistical approach to understand childhood illnesses in the North-East States of India, 2019-2021.

BMC public health·2024
Same author

Hearing Screening in Children with Suspected Hearing Loss at a Tertiary Care Centre of Eastern Uttar Pradesh.

Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India·2023
Same author

Clustering of child deaths among families in low and middle-income countries: A meta-analysis.

Health science reports·2023
Same author

Infant Death Clustering in the Quarter of a Century in India: A Decomposition Analysis.

International journal of environmental research and public health·2022
Same author

Infant mortality and death clustering at the district level in India: A Bayesian approach.

Spatial and spatio-temporal epidemiology·2022

Related Experiment Video

Updated: Sep 6, 2025

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry
08:18

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry

Published on: March 4, 2021

1.8K

Dynamics of nanoscale triangular features on Ge surfaces.

Sukriti Hans1,2, Basanta Kumar Parida1, Vivek Pachchigar1,2

  • 1Institute for Plasma Research, Gandhinagar 382428, India.

Nanotechnology
|June 29, 2022
PubMed
Summary

Ion beam sputtering creates nanoripples and triangular features on Germanium (Ge) surfaces. Researchers studied how ion incidence angle and fluence affect these features, finding good agreement with simulations.

Keywords:
atomic force microscopynanopatterningnumerical simulationpower spectrum densitysurface analysistriangular features

More Related Videos

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon
06:57

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Published on: July 17, 2020

2.3K
Atomic Force Microscopy Cantilever-Based Nanoindentation: Mechanical Property Measurements at the Nanoscale in Air and Fluid
08:58

Atomic Force Microscopy Cantilever-Based Nanoindentation: Mechanical Property Measurements at the Nanoscale in Air and Fluid

Published on: December 2, 2022

3.2K

Related Experiment Videos

Last Updated: Sep 6, 2025

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry
08:18

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry

Published on: March 4, 2021

1.8K
Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon
06:57

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Published on: July 17, 2020

2.3K
Atomic Force Microscopy Cantilever-Based Nanoindentation: Mechanical Property Measurements at the Nanoscale in Air and Fluid
08:58

Atomic Force Microscopy Cantilever-Based Nanoindentation: Mechanical Property Measurements at the Nanoscale in Air and Fluid

Published on: December 2, 2022

3.2K

Area of Science:

  • Surface science
  • Materials science
  • Nanotechnology

Background:

  • Ion beam sputtering is a key technique for creating nanoripples on surfaces, with applications in various fields.
  • However, the simultaneous formation of triangular features can limit the utility of these nanorippled surfaces.
  • Understanding the formation dynamics of these superimposed features is crucial for controlling surface morphology.

Purpose of the Study:

  • To investigate the evolution of triangular features on Germanium (100) surfaces during low-energy ion beam sputtering.
  • To determine the influence of ion incidence angle and ion fluence on the formation and characteristics of these triangular features.
  • To compare experimental observations with numerical simulations based on the modified anisotropic Kuramoto-Sivashinsky equation.

Main Methods:

  • Low-energy (300-1000 eV) Xenon (Xe) ion irradiation of Germanium (100) surfaces at room temperature.
  • Systematic variation of ion incidence angles (61°-80°) and ion fluences (5.34 × 1017 - 8.01 × 1018 ions cm-2).
  • Comparison of experimental results with numerical simulations using a modified anisotropic Kuramoto-Sivashinsky equation.

Main Results:

  • Triangular features emerge with nanoripple formation and disappear as ripple periodicity is lost.
  • The formation of triangular features is dependent on the material and the ion/target mass ratio.
  • Experimental measurements of the base angle and lateral length of triangular features show an increase with increasing ion incidence angle, consistent with simulation results.

Conclusions:

  • The study elucidates the dynamics of triangular feature formation on Ge (100) surfaces under ion sputtering.
  • The findings highlight the significant role of ion incidence angle in controlling the geometry of these features.
  • Numerical simulations effectively replicate the experimentally observed dependence of triangular feature evolution on ion incidence angle.