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Related Experiment Video

Updated: Jul 6, 2026

Plasma Lithography Surface Patterning for Creation of Cell Networks

Plasma Lithography Surface Patterning for Creation of Cell Networks

Published on: June 14, 2011

A complex plasma device of large surface area.

Y Nakamura¹, O Ishihara

¹Department of Physics, Faculty of Engineering, Yokohama National University, 79-5 Hodogaya-ku, Yokohama 240-8501, Japan.

The Review of Scientific Instruments

|April 2, 2008

Summary

This summary is machine-generated.

A new device, YCOPEX, creates large-scale 2D plasma crystals for complex plasma physics research. Experiments measured neutral drag forces on particles, validating theoretical models.

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Area of Science:

Physics
Plasma Physics
Materials Science

Background:

Complex plasmas offer insights into fundamental physics.
Previous devices limited the scale of plasma crystal creation.
Gravitational force can be utilized to study plasma phenomena.

Purpose of the Study:

Introduce the YCOPEX device for large-area 2D plasma crystal generation.
Demonstrate the device's utility in studying complex plasma physics.
Measure neutral drag forces on microspheres within the plasma.

Main Methods:

Utilized radio-frequency (rf) discharge in argon gas to produce plasma.
Employed gravitational force within the YCOPEX device (15x90 cm2) to form monolayer plasma crystals.
Conducted experiments to measure neutral drag forces on microspheres.

Main Results:

Successfully created large-area (15x90 cm2) two-dimensional monolayer plasma crystals.
Measured neutral drag forces on microspheres, showing reasonable agreement with Epstein's formula.
Demonstrated potential for studying phase transitions, wave propagation, and particle collisions.

Conclusions:

The YCOPEX device enables large-scale studies of complex plasma phenomena.
Experimental results validate theoretical predictions for neutral drag forces.
The device is a valuable tool for advancing fundamental complex plasma physics research.