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 Experiment Videos

Inducing dendrite formation using an atomic force microscope tip.

Gengxin Zhang1, Brandon L Weeks

  • 1Chemical Engineering Department, Texas Tech University, Lubbock, TX 79409, USA.

Scanning
|June 4, 2008
PubMed
Summary
This summary is machine-generated.

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

Structures of the endophytic microbiota during heart rot development in <i>Abies georgei</i> var. <i>smithii</i>.

Microbiology spectrum·2026
Same author

Interspecific interactions alter survival strategies of tree-shrub plants and hinder treeline ascent at alpine treelines in Southeastern Tibet: Evidence from<sup>13</sup>C and<sup>15</sup>N.

Ecotoxicology and environmental safety·2026
Same author

ConvLoRa: Convolutional Neural Network-Based Collision Demodulation for LoRa Uplinks in LEO-IoT.

Sensors (Basel, Switzerland)·2026
Same author

Characterization of bronchiolitis and vaccine-induced enhanced respiratory disease in Syrian hamsters caused by respiratory syncytial virus infection.

The Journal of infectious diseases·2026
Same author

An Overlapping-Signal Separation Algorithm Based on a Self-Attention Neural Network for Space-Based ADS-B.

Sensors (Basel, Switzerland)·2026
Same author

Symbiotic N-Fixing Bacteria in the Root and Leaf of Typical Alpine Grassland Plants.

Microbial ecology·2025
Same journal

Retracted: Diagnostic Efficacy of CT Radiomic Features in Pulmonary Invasive Mucinous Adenocarcinoma.

Scanning·2023
Same journal

Retracted: 3D Convolutional Neural Network Framework with Deep Learning for Nuclear Medicine.

Scanning·2023
Same journal

Retracted: Observation on the Effect of MRI Image Scanning on Knee Pain in Football Injury.

Scanning·2023
Same journal

Retracted: Optimal Cellular Microscopic Pattern Recognizer- (OCMPR-) Based Wireless Detection Network for Efficiently Leveraging the Parallel Distributed Processing Capabilities.

Scanning·2023
Same journal

Retracted: Changes of Volume Parameters in the Treatment of Graves Ophthalmopathy by Endoscopic Transethmoidal Decompression of the Orbital Inner Wall Combined with Fat Decompression.

Scanning·2023
Same journal

Retracted: Diagnostic Value of Specialist Systems in Sports Knee Injuries.

Scanning·2023
See all related articles

Atomic force microscope (AFM) tip manipulation induces nucleation and dendrite growth in PETN films on silicon. This occurs due to reduced nucleation barriers at the AFM tip contact area, altering film morphology.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Surface Science

Background:

  • Vapor deposition of energetic materials like PETN (pentaerythritol tetranitrate) is crucial for various applications.
  • Understanding film growth mechanisms at the nanoscale is essential for controlling material properties.
  • Atomic force microscopy (AFM) offers high-resolution surface analysis capabilities.

Purpose of the Study:

  • To investigate the influence of an AFM tip on the nucleation and growth of vapor-deposited PETN films.
  • To elucidate the mechanisms behind AFM tip-induced morphological changes in thin films.
  • To explore the formation of dendritic structures under AFM tip interaction.

Main Methods:

  • Thin films of PETN were deposited onto Si (100) substrates via vapor deposition.

Related Experiment Videos

  • Atomic force microscopy (AFM) was employed to scan the PETN films at room temperature.
  • Morphological analysis was performed on the scanned areas to observe film structure.

    • Main Results:

    • AFM tip scanning induced a transition from smooth film morphology to island and dendrite formation.
    • The AFM tip was found to lower and eliminate the 2-D nucleation barrier at the contact area.
    • This resulted in the formation of larger islands within the scanned region and dendritic growth along scan boundaries.

    Conclusions:

    • AFM tip interaction significantly alters the growth mode of vapor-deposited PETN films.
    • The observed morphological changes are attributed to localized modifications of nucleation kinetics.
    • This study demonstrates a method for controlling nanoscale film morphology using AFM tip manipulation.