Jove
Visualize
Contact Us

Related Concept Videos

¹³C NMR: ¹H–¹³C Decoupling01:04

¹³C NMR: ¹H–¹³C Decoupling

The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...
Oscillations In An LC Circuit01:31

Oscillations In An LC Circuit

An idealized LC circuit of zero resistance can oscillate without any source of emf by shifting the energy stored in the circuit between the electric and magnetic fields. In such an LC circuit, if the capacitor contains a charge q before the switch is closed, then all the energy of the circuit is initially stored in the electric field of the capacitor. This energy is given by
Magnetic Field Due To A Thin Straight Wire01:27

Magnetic Field Due To A Thin Straight Wire

Consider an infinitely long straight wire carrying a current I. The magnetic field at point P at a distance a from the origin can be calculated using the Biot-Savart law.
Magnetic Field Due to Two Straight Wires01:18

Magnetic Field Due to Two Straight Wires

Consider two parallel straight wires carrying a current of 10 A and 20 A in the same direction and separated by a distance of 20 cm. Calculate the magnetic field at a point "P2", midway between the wires. Also, evaluate the magnetic field when the direction of the current is reversed in the second wire.

You might also read

Related Articles

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

Sort by
Same author

Retrospective cohort of 168 keratinocytic tumors treated with combination therapy of surgical debulking followed by intralesional methotrexate.

Journal of the American Academy of Dermatology·2026
Same author

Myoepithelial carcinoma of the digit.

Journal of cutaneous pathology·2021
See all related articles
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 Video

Updated: Jul 14, 2026

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems
07:44

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems

Published on: April 28, 2016

Terahertz current oscillations in single-walled zigzag carbon nanotubes.

Akin Akturk1, Neil Goldsman, Gary Pennington

  • 1Electrical and Computer Engineering, University of Maryland, College Park, Maryland 20742, USA. akturka@glue.umd.edu

Physical Review Letters
|May 16, 2007
PubMed
Summary

We observed terahertz current oscillations in a carbon nanotube (CNT) due to electron density variations. These oscillations arise from electron accumulation and depletion, creating propagating dipoles under specific conditions.

More Related Videos

Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology
09:20

Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology

Published on: December 7, 2015

Simultaneous Synthesis of Single-walled Carbon Nanotubes and Graphene in a Magnetically-enhanced Arc Plasma
09:48

Simultaneous Synthesis of Single-walled Carbon Nanotubes and Graphene in a Magnetically-enhanced Arc Plasma

Published on: February 2, 2012

Related Experiment Videos

Last Updated: Jul 14, 2026

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems
07:44

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems

Published on: April 28, 2016

Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology
09:20

Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology

Published on: December 7, 2015

Simultaneous Synthesis of Single-walled Carbon Nanotubes and Graphene in a Magnetically-enhanced Arc Plasma
09:48

Simultaneous Synthesis of Single-walled Carbon Nanotubes and Graphene in a Magnetically-enhanced Arc Plasma

Published on: February 2, 2012

Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Nanotechnology

Background:

  • Understanding electron transport in nanoscale materials is crucial for advanced electronics.
  • Carbon nanotubes (CNTs) exhibit unique electronic properties, making them promising for high-frequency applications.
  • Terahertz (THz) frequency range offers potential for novel communication and sensing technologies.

Purpose of the Study:

  • To investigate time-dependent terahertz current oscillations in a single-walled zigzag carbon nanotube (CNT).
  • To develop and utilize a self-consistent ensemble Monte Carlo (MC) simulator for analyzing electron transport in CNTs.
  • To understand the physical mechanisms leading to current oscillations in CNTs under specific bias and doping conditions.

Main Methods:

  • Development of an ensemble Monte Carlo (MC) simulator for self-consistent calculation of electron transport and electrical potential.
  • Simulation of a 100 nm long, n=10 single-walled zigzag carbon nanotube.
  • Analysis of electron velocity, concentration, and spatial distribution under varying DC bias and doping.

Main Results:

  • Demonstrated time-dependent terahertz current oscillations in the simulated CNT.
  • Observed oscillations in average electron velocity and concentration under specific DC bias and doping.
  • Identified the formation of localized electron accumulation and depletion regions (dipoles) as the cause of oscillations.

Conclusions:

  • Electron accumulation and depletion lead to the formation of propagating dipoles within the CNT.
  • These propagating dipoles are responsible for the observed terahertz current oscillations.
  • The findings highlight the potential of CNTs for generating and manipulating THz signals.