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

Search research articles

Related Experiment Videos

Conductance of small molecular junctions.

N B Zhitenev¹, H Meng, Z Bao

¹Bell Laboratories, Lucent Technologies, Murray Hill, New Jersey 07974, USA.

Physical Review Letters

|June 13, 2002

Summary

Researchers developed a new method for fabricating single-molecule junctions. Conductance measurements reveal molecular vibrations influence electron transport, showing resonant tunneling through coupled electronic and vibrational levels.

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

Cognitive decline outweighs adiposity in influencing lower limb gait kinematics in older adults.

Gait & posture·2026

Same author

Assessment of tendon mechanical properties using virtual touch tissue imaging quantification: an elastography study of normal and injured supraspinatus tendons.

Clinical radiology·2025

Same author

[Application of combined detection of inflammatory indexes and cytokines in chronic periodontitis].

Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences·2025

Same author

[Progress in diagnosis and treatment of cervical spine surgical diseases].

Zhonghua wai ke za zhi [Chinese journal of surgery]·2025

Same author

Complex Regional Pain Syndrome Following Minor Burns: A Rare but Significant Complication.

Journal of burn care & research : official publication of the American Burn Association·2025

Same author

[Molluscicidal effect of spraying different formulations of niclosamide ethanolamine salt with drones against <i>Oncomelania hupensis</i> in ditches].

Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control·2024

Area of Science:

Nanoscience and nanotechnology
Molecular electronics
Condensed matter physics

Background:

Fabricating stable and reproducible single-molecule junctions is crucial for molecular electronics.
Understanding electron transport mechanisms at the single-molecule level is a key challenge.

Purpose of the Study:

To develop a novel method for creating small metal-molecule-metal junctions near the single-molecule limit.
To investigate the electrical conductance of various conjugated molecules under different experimental conditions.

Main Methods:

Fabrication of metal-molecule-metal junctions.
Conductance measurements across a range of temperatures, source-drain voltages, and gate voltages.
Analysis of conductance step behavior and periodicity.

Main Results:

A new fabrication method successfully approached the single-molecule limit.
Sharp, periodic conductance steps were observed in molecules at low temperatures.
The position of conductance steps was tunable with a gate potential.
The observed spacing of conductance steps correlated with molecular vibrational energies.

Conclusions:

Low-bias conductance in molecules is primarily governed by resonant tunneling.
Electron transport is significantly influenced by the coupling of electronic and vibrational energy levels.
The developed method provides a platform for studying single-molecule electronic properties.

Related Experiment Videos