The appearance of plasma emission (IMAGE)

University of Tsukuba

The appearance of plasma emission

Caption

In reactive sputtering process with an Ar + O₂ gas mixture, the plasma emission observed near the cathode changes in appearance. When the oxygen content is high, the plasma exhibits a reddish-violet glow, whereas with lower oxygen content, it appears bluish-white.

Credit

University of Tsukuba

Usage Restrictions

Unauthorized use is prohibited.

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.