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

Measuring temperature and observing graphitization of heavy-ion-heated diamond.

Scientific reports·2026
Same author

Global randomised controlled trials in infection prevention and control: a bibliographic review from the past two decades.

The Journal of hospital infection·2026
Same author

Comparative analysis of Maxwell solvers for simulation of relativistic harmonic generation in particle-in-cell code.

Physical review. E·2025
Same author

Absolute calibration of Fujifilm BAS-TR image plate response to laser driven protons up to 40 MeV.

The Review of scientific instruments·2022
Same author

Fast Ion-Beam Inactivation of Viruses, Where Radiation Track Structure Meets RNA Structural Biology.

Radiation research·2022
Same author

Real-Time Electron Solvation Induced by Bursts of Laser-Accelerated Protons in Liquid Water.

Physical review letters·2021

Related Experiment Video

Updated: Jun 10, 2025

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization
08:22

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization

Published on: August 6, 2018

6.8K

Real-Time Observation of Frustrated Ultrafast Recovery from Ionization in Nanostructured SiO_{2} Using Laser-Driven

J P Kennedy1, M Coughlan1, C R J Fitzpatrick1

  • 1Centre for Light-Matter Interactions, Department of Physics and Astronomy, <a href="https://ror.org/00hswnk62">Queen's University Belfast</a>, Belfast BT7 1NN, United Kingdom.

Physical Review Letters
|October 11, 2024
PubMed
Summary

Nanostructure significantly impacts how materials like silicon dioxide (SiO2) respond to radiation. This study reveals how nanostructure in SiO2 aerogels dramatically increases free electron lifetimes after irradiation.

More Related Videos

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

9.7K
Characterization of Surface Modifications by White Light Interferometry: Applications in Ion Sputtering, Laser Ablation, and Tribology Experiments
11:47

Characterization of Surface Modifications by White Light Interferometry: Applications in Ion Sputtering, Laser Ablation, and Tribology Experiments

Published on: February 27, 2013

15.6K

Related Experiment Videos

Last Updated: Jun 10, 2025

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization
08:22

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization

Published on: August 6, 2018

6.8K
Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

9.7K
Characterization of Surface Modifications by White Light Interferometry: Applications in Ion Sputtering, Laser Ablation, and Tribology Experiments
11:47

Characterization of Surface Modifications by White Light Interferometry: Applications in Ion Sputtering, Laser Ablation, and Tribology Experiments

Published on: February 27, 2013

15.6K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Nanotechnology

Background:

  • Ionizing radiation induces complex damage cascades in materials.
  • Understanding the influence of material nanostructure on radiation damage has been limited by methodological constraints.
  • Silicon dioxide (SiO2) aerogels exhibit unique nanostructures and are susceptible to radiation effects.

Purpose of the Study:

  • To investigate the role of nanostructure in radiation-induced damage cascades.
  • To quantify the lifetime of free electrons (τc) in bulk and nanostructured SiO2 under irradiation.
  • To elucidate the mechanisms governing energy deposition and dissipation in irradiated SiO2 aerogels.

Main Methods:

  • Utilized transient photoabsorption spectroscopy to probe electron dynamics.
  • Employed optical streaking to measure free electron lifetimes (τc) with picosecond resolution.
  • Irradiated bulk and nanostructured SiO2 (aerogels) using picosecond bursts of X-rays and protons from a laser-driven accelerator.
  • Performed numerical modeling to interpret experimental observations.

Main Results:

  • Observed a sharp increase in free electron lifetime (τc) from <1 ps to >50 ps in SiO2 aerogels within a narrow density range.
  • This density range corresponds to the predicted phonon-fracton crossover in aerogels.
  • Numerical modeling indicates that nanostructure quenches rapid phonon-assisted recovery, leading to prolonged electron excitation.

Conclusions:

  • Material nanostructure plays a critical role in modulating radiation-induced free electron lifetimes.
  • The observed discontinuity in electron lifetime is attributed to nanostructure-dependent recovery mechanisms.
  • This work provides a method to link microscopic processes in complex systems to macroscopic phenomena under irradiation.