Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Transmission Electron Microscopy

Transmission Electron Microscopy

In 1931, physicist Ernst Ruska—building on the idea that magnetic fields can direct an electron beam just as lenses can direct a beam of light in an optical microscope—developed the first prototype of the electron microscope. This development led to the development of the field of electron microscopy. In the transmission electron microscope (TEM), electrons are produced by a hot tungsten element and accelerated by a potential difference in an electron gun, which gives them up to 400...

You might also read

Related Articles

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

Sort by

Same author

Correlation-Driven d-Band Modifications Promote Chemical Bonding at 3d-Ferromagnetic Surfaces.

Small (Weinheim an der Bergstrasse, Germany)·2025

Same author

Thermally-induced covalent coupling of cobalt porphyrin molecules on Au(111).

Journal of physics. Condensed matter : an Institute of Physics journal·2025

Same author

Femtosecond Spin-State Switching Dynamics of Fe(II) Complexes Condensed in Thin Films.

ACS nano·2024

Same author

Mechanisms for the Spin-State Switching of Strapped Ni-Porphyrin Complexes Deposited on Metal Surfaces: Insights from Quantum Chemical Calculations.

Small (Weinheim an der Bergstrasse, Germany)·2024

Same author

Spin-State Switching of Spin-Crossover Complexes on Cu(111) Evidenced by Spin-Flip Spectroscopy.

Angewandte Chemie (International ed. in English)·2024

Same author

Molybdenum(0)-Tricarbonyl Complex Supported by an Azacalix-pyridine Ligand: Synthesis, Characterization, Surface Deposition and Conversion to a Molybdenum(VI)-Trioxo Complex with O<sub>2</sub>.

Chemistry (Weinheim an der Bergstrasse, Germany)·2024

Search research articles

Related Experiment Video

Updated: Jul 2, 2025

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

Variable-temperature lightwave-driven scanning tunneling microscope with a compact, turn-key terahertz source.

Hüseyin Azazoglu^1,2, Philip Kapitza^1,2, Martin Mittendorff¹

¹Faculty of Physics, University of Duisburg-Essen, 47057 Duisburg, Germany.

The Review of Scientific Instruments

|February 20, 2024

Summary

This summary is machine-generated.

A new lightwave-driven scanning tunneling microscope offers picosecond temporal resolution and atomic-scale spatial imaging. This cost-effective terahertz system is accessible to more research groups.

More Related Videos

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

Published on: April 16, 2017

Related Experiment Videos

Last Updated: Jul 2, 2025

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

Published on: April 16, 2017

Area of Science:

Physical Chemistry
Surface Science
Materials Science

Background:

Scanning tunneling microscopy (STM) is a powerful tool for atomic-scale surface imaging.
Achieving high temporal resolution in STM is crucial for studying dynamic surface processes.
Terahertz (THz) light offers unique properties for probing materials and chemical bonds.

Purpose of the Study:

To develop and demonstrate a lightwave-driven scanning tunneling microscope (LD-STM) with enhanced capabilities.
To assess the temporal and spatial resolution of the developed LD-STM system.
To evaluate the potential of THz-LD-STM for surface characterization.

Main Methods:

Construction of a home-built scanning tunneling microscope integrated with a commercial terahertz (THz) generation unit.
Operation in ultrahigh vacuum (UHV) at temperatures ranging from 8.5 K to 300 K.
Utilizing pump-probe cross-correlation to determine temporal resolution and imaging of molecular adsorbates and surface features for spatial resolution assessment.

Main Results:

Achieved a temporal resolution on the order of picoseconds, enabling time-resolved measurements.
Demonstrated atomic-scale spatial resolution, resolving CO molecules, step edges, and terraces.
Observed superior contrast in THz images compared to conventional topographic and DC current channels for certain features.
The compact THz system requires minimal expertise in optics and THz generation.

Conclusions:

The developed THz-LD-STM system provides high temporal and spatial resolution for surface science.
The system's accessibility and performance facilitate advanced surface characterization and the study of dynamic phenomena.
This technique offers a promising new avenue for investigating molecular and material properties at the nanoscale.